{"id":6263,"date":"2021-04-19T09:40:18","date_gmt":"2021-04-19T07:40:18","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=6263"},"modified":"2025-01-17T09:11:58","modified_gmt":"2025-01-17T08:11:58","slug":"radar-dopplera-co-to-jest-i-jak-dziala","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/radar-dopplera-co-to-jest-i-jak-dziala\/","title":{"rendered":"Radar Dopplera &#8211; co to jest i jak dzia\u0142a?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6263\" class=\"elementor elementor-6263\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-84a1bdd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"84a1bdd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-99f6350\" data-id=\"99f6350\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5f45688 elementor-widget elementor-widget-text-editor\" data-id=\"5f45688\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>S\u0142ysz\u0105c okre\u015blenie radar Dopplera lub radar dopplerowski wiele os\u00f3b kojarzy s\u0142owo &#8220;radar&#8221;, ale nie &#8220;Doppler&#8221;. Dzisiaj spr\u00f3bujemy zrozumie\u0107, jak dzia\u0142a taki radar i co oferuje sob\u0105 u\u017cywana w powi\u0105zanych urz\u0105dzeniach technologia. Zapraszamy do lektury.<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d853b4 elementor-widget elementor-widget-text-editor\" data-id=\"6d853b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"blog-special\"><strong>Jak dzia\u0142a radar<\/strong>? Radar emituje fal\u0119 elektromagnetyczn\u0105, kt\u00f3ra odbija si\u0119 od chmur. Powracaj\u0105ca fala dostarcza informacji o odleg\u0142o\u015bci, na jakiej znajduje si\u0119 opad. Obracaj\u0105ca si\u0119 antena radaru pozwala na tworzenie mapy opad\u00f3w.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e20b114 elementor-widget elementor-widget-image\" data-id=\"e20b114\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radardopplera.png\" class=\"attachment-large size-large wp-image-6267\" alt=\"Radar Dopplera\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radardopplera.png 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radardopplera-300x169.png 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radardopplera-768x432.png 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radardopplera-640x360.png 640w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">TX - transmisja, RX - odbi\u00f3r. Jeszcze do tego wr\u00f3cimy.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd834f1 elementor-widget elementor-widget-heading\" data-id=\"bd834f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Co to jest radar?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3b1283 elementor-widget elementor-widget-text-editor\" data-id=\"e3b1283\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Radar to system, kt\u00f3ry pozostaje w u\u017cytku ju\u017c od bardzo dawna. W podstawowym systemie radarowym w\u0105ska wi\u0105zka energii nazywana falami radiowymi jest transmitowana z anteny w kr\u00f3tkich d\u0142ugo\u015bciach fali i w kr\u00f3tkich odst\u0119pach. Pomi\u0119dzy ka\u017cdym impulsem odbiornik nas\u0142uchuje uderzaj\u0105cych w obiekty w atmosferze fal, kt\u00f3re wracaj\u0105 do anteny (zjawisko odbicia fal elektromagnetycznych). Znaj\u0105c czas, kt\u00f3rego fala radiowa potrzebowa\u0142a na powr\u00f3t do anteny, mo\u017cna wyliczy\u0107 odleg\u0142o\u015b\u0107 od obiektu. Tej metody u\u017cywaj\u0105 systemy radarowe wykrywaj\u0105ce statki powietrzne. Wy\u015bwietlaj\u0105 je w postaci zielonych punkt\u00f3w wskazuj\u0105cych, gdzie aktualnie znajduje si\u0119 ruchomy obiekt.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7faa81 elementor-widget elementor-widget-image\" data-id=\"f7faa81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"296\" height=\"300\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar-296x300.png\" class=\"attachment-medium size-medium wp-image-6268\" alt=\"Radar\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar-296x300.png 296w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar-1011x1024.png 1011w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar-768x778.png 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar-640x648.png 640w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar.png 1264w\" sizes=\"(max-width: 296px) 100vw, 296px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Reprezentacja koncepcji wy\u015bwietlania obiekt\u00f3w na radarze.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e641a6 elementor-widget elementor-widget-heading\" data-id=\"5e641a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Czym jest efekt Dopplera?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aeb4c5a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aeb4c5a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3335c94\" data-id=\"3335c94\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8290423 elementor-widget elementor-widget-text-editor\" data-id=\"8290423\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Efekt Dopplera zachodzi, gdy \u017ar\u00f3d\u0142o fali porusza si\u0119 wzgl\u0119dem obserwuj\u0105cego. Kiedy ruchome \u017ar\u00f3d\u0142o zbli\u017ca si\u0119 do obserwatora, frekwencja fal odbierana przez obserwatora jest wy\u017csza ni\u017c frekwencja \u017ar\u00f3d\u0142a, natomiast gdy \u017ar\u00f3d\u0142o oddala si\u0119 od obserwatora, w\u00f3wczas frekwencja fal jest analogicznie ni\u017csza. Ta r\u00f3\u017cnica w odbiorze jest znana jako przesuni\u0119cie dopplerowskie (<i>doppler shift<\/i>).&nbsp;<\/p><p>Najlepiej wyobrazi\u0107 sobie to na znanym ze szko\u0142y przyk\u0142adzie &#8211; w tym przypadku na schemacie &#8220;\u017ar\u00f3d\u0142o&#8221; to p\u0119dz\u0105ca na sygnale karetka pogotowia, strza\u0142ka oznacza kierunek ruchu, a &#8220;obserwator&#8221; to Ty. S\u0142yszysz, jak d\u017awi\u0119k sygna\u0142u narasta, nast\u0119pnie osi\u0105ga trudne do zniesienia apogeum, by wreszcie stopniowo cichn\u0105\u0107, gdy pojazd si\u0119 oddala.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d71bf1 elementor-widget elementor-widget-image\" data-id=\"3d71bf1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"201\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/04\/radar-300x201.jpg\" class=\"attachment-medium size-medium wp-image-20319\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/04\/radar-300x201.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/04\/radar-768x514.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/04\/radar.jpg 806w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b578c9f elementor-widget elementor-widget-spacer\" data-id=\"b578c9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce68c63 elementor-widget elementor-widget-heading\" data-id=\"ce68c63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Czym jest radar Dopplera (radar dopplerowski) i jak dzia\u0142a?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a81d522 elementor-widget elementor-widget-text-editor\" data-id=\"a81d522\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Radar dopplerowski to wyspecjalizowany radar, kt\u00f3ry wykorzystuje efekt Dopplera do uzyskania danych o pr\u0119dko\u015bci obiekt\u00f3w znajduj\u0105cych si\u0119 w odleg\u0142o\u015bci. Odbywa si\u0119 to poprzez odbijanie sygna\u0142u mikrofalowego od po\u017c\u0105danego celu i analizowanie, jak ruch obiektu zmieni\u0142 cz\u0119stotliwo\u015b\u0107 sygna\u0142u powrotnego. To zr\u00f3\u017cnicowanie daje bezpo\u015brednie i bardzo dok\u0142adne pomiary radialnej sk\u0142adowej pr\u0119dko\u015bci celu wzgl\u0119dem radaru.\u00a0<span style=\"font-size: 1rem;\">S\u0105 dwa g\u0142\u00f3wne obszary, w kt\u00f3rych tradycyjnie wykorzystuje si\u0119 radar dopplerowski. Pierwszy z nich to zmora kierowc\u00f3w, czyli &#8220;dzia\u0142a radarowe&#8221; do okre\u015blania pr\u0119dko\u015bci pojazdu. Radar pulsacyjno-dopplerowski s\u0142u\u017cy w meteorologii do \u015bledzenia pr\u0119dko\u015bci opad\u00f3w albo obserwacji przesuwania si\u0119 chmur.\u00a0<\/span><span style=\"font-size: 1rem;\">Im wi\u0119kszy obiekt, tym wi\u0119ksza ilo\u015b\u0107 energii jest zwracana do radaru. To daje nam na przyk\u0142ad mo\u017cliwo\u015b\u0107 &#8220;zobaczenia&#8221; kropel deszczu w atmosferze.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-da0a0bb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"da0a0bb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-30d1735\" data-id=\"30d1735\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2df00f8 elementor-widget elementor-widget-text-editor\" data-id=\"2df00f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Radar Dopplera wysy\u0142a wi\u0105zk\u0119 fal promieniowania elektromagnetycznego z transmitera (antena TX, <em>transmitter<\/em>) o precyzyjnej frekwencji w kierunku poruszaj\u0105cego si\u0119 obiektu. Gdy fala promieniowania elektromagnetycznego dociera do obiektu, odbija si\u0119 od niego i powraca do odbiornika (antena RX, <em>receiver<\/em>) &#8211; odbicie si\u0119 fali sprawia, \u017ce uzyskuje ona inn\u0105 frekwencj\u0119 w stosunku do pierwotnie emitowanej przez urz\u0105dzenie.\u00a0<\/p><p>\u00a0Istniej\u0105 r\u00f3\u017cne rodzaje radar\u00f3w dopplerowskich.<\/p><ul><li><span style=\"font-weight: bold;\">Radar o fali ci\u0105g\u0142ej (radar CW)<\/span>\u00a0jest rodzajem systemu radarowego, w kt\u00f3rym znana energia radiowa o sta\u0142ej cz\u0119stotliwo\u015bci fali ci\u0105g\u0142ej jest nadawana, a nast\u0119pnie odbierana od odbijaj\u0105cych si\u0119 obiekt\u00f3w. Poszczeg\u00f3lne obiekty mog\u0105 by\u0107 wykrywane z wykorzystaniem efektu Dopplera, kt\u00f3ry powoduje, \u017ce odbierany sygna\u0142 ma inn\u0105 cz\u0119stotliwo\u015b\u0107 ni\u017c sygna\u0142 nadawany, co pozwala na jego wykrycie poprzez odfiltrowanie cz\u0119stotliwo\u015bci nadawanej.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7d20e52\" data-id=\"7d20e52\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-91a9f67 elementor-widget elementor-widget-image\" data-id=\"91a9f67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"411\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar.jpg\" class=\"attachment-large size-large wp-image-20297\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar.jpg 500w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/radar-300x247.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">NWS Doppler Weather - stacja pogodowa w Dakocie Po\u0142udniowej, USA.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-47bcf86 elementor-widget elementor-widget-text-editor\" data-id=\"47bcf86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><b style=\"font-size: 1rem;\">Radar pulsacyjno-dopplerowski<\/b><span style=\"font-size: 1rem;\"> to system radarowy, kt\u00f3ry okre\u015bla zasi\u0119g do celu za pomoc\u0105 techniki impulsowej i wykorzystuje efekt Dopplera sygna\u0142u zwrotnego do okre\u015blenia pr\u0119dko\u015bci obiektu docelowego. \u0141\u0105czy on w sobie cechy radar\u00f3w impulsowych i radar\u00f3w na fali ci\u0105g\u0142ej, kt\u00f3re wcze\u015bniej by\u0142y traktowane oddzielne ze wzgl\u0119du na z\u0142o\u017cono\u015b\u0107 stosowanej elektroniki.<\/span><\/li><li><b>Modulacja cz\u0119stotliwo\u015bci<\/b>, FM (ang. <i>Frequency Modulation<\/i>) \u2013 kodowanie informacji w fali no\u015bnej przez zmiany jej chwilowej cz\u0119stotliwo\u015bci w zale\u017cno\u015bci od sygna\u0142u wej\u015bciowego, tj. jej modulacj\u0119. Metoda stosowana do przesy\u0142u sygna\u0142u radiowego w zakresie fal ultrakr\u00f3tkich, st\u0105d w mowie potocznej okre\u015blenie go jako &#8220;FM&#8221;.\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f98713b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f98713b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-208df3d\" data-id=\"208df3d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-979eea4 elementor-widget elementor-widget-text-editor\" data-id=\"979eea4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Radary dopplerowskie maj\u0105 tak\u017ce histori\u0119 wykorzystywania jako pomoc nawigacyjna dla samolot\u00f3w i statk\u00f3w kosmicznych. Poprzez bezpo\u015bredni pomiar ruchu Ziemi za pomoc\u0105 radaru, a nast\u0119pnie por\u00f3wnanie go z pr\u0119dko\u015bci\u0105 otrzyman\u0105 z przyrz\u0105d\u00f3w samolotu, po raz pierwszy mo\u017cna by\u0142o dok\u0142adnie okre\u015bli\u0107 pr\u0119dko\u015b\u0107 wiatru. Warto\u015b\u0107 ta by\u0142a nast\u0119pnie wykorzystywana do bardzo dok\u0142adnego okre\u015blania odleg\u0142o\u015bci. Jednym z wczesnych przyk\u0142ad\u00f3w takiego systemu by\u0142 radar Green Satin zastosowany w angielskim samolocie Electric Canberra.\u00a0<span style=\"font-size: 1rem;\">System ten wysy\u0142a\u0142 impulsowy sygna\u0142 o bardzo niskiej cz\u0119stotliwo\u015bci powtarzania, dzi\u0119ki czemu m\u00f3g\u0142 u\u017cywa\u0107 pojedynczej anteny do nadawania i odbioru.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-078161b\" data-id=\"078161b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-abdba9f elementor-widget elementor-widget-image\" data-id=\"abdba9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"246\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/boeing-300x246.jpg\" class=\"attachment-medium size-medium wp-image-20293\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/boeing-300x246.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/boeing-768x631.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/boeing.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Ameryka\u0144ski Boeing E-3 Sentry - samolot wczesnego dostrzegania i kontroli z 1977 roku. Pozostaje w u\u017cyciu przez USAF, NATO, RAF oraz si\u0142y powietrzne Arabii Saudyjskiej i wykorzystuje radary pulsacyjno-dopplerowskie. <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-f138d1a elementor-widget elementor-widget-text-editor\" data-id=\"f138d1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Oscylator utrzymywa\u0142 cz\u0119stotliwo\u015b\u0107 odniesienia dla por\u00f3wnania z odbieranym sygna\u0142em. Podobne systemy by\u0142y stosowane w wielu samolotach, a do lat 60-tych XX wieku by\u0142y \u0142\u0105czone z g\u0142\u00f3wnymi radarami poszukiwawczymi w my\u015bliwcach.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac12879 elementor-widget elementor-widget-heading\" data-id=\"ac12879\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Radary Seeedstudio<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-553fa8a elementor-widget elementor-widget-text-editor\" data-id=\"553fa8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b><a href=\"https:\/\/botland.com.pl\/cyfrowe-czujniki-odleglosci\/17023-grove-radar-dopplera-bgt24ltr11-transceiver-24ghz-10m-seeedstudio-109020021.html\" data-wpel-link=\"internal\">Radar Dopplera BGT24LTR11<\/a><\/b> zosta\u0142 oparty na uk\u0142adzie BGT24LTR11 oraz kontrolerze XMC1302 z procesorem ARM Cortex-M0. Pozwala na dokonywanie precyzyjnych pomiar\u00f3w odleg\u0142o\u015bci oraz wykrywania ruchu z wykorzystaniem technologii radarowej. Urz\u0105dzenie do pracy wykorzystuje znane ju\u017c nam fizyczne zjawisko efektu Dopplera cz\u0119stotliwo\u015bci fal generowanych i odbieranych przez urz\u0105dzenie za pomoc\u0105 anten RX oraz TX.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be10dab elementor-widget elementor-widget-image\" data-id=\"be10dab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"250\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/czujniki.jpg\" class=\"attachment-large size-large wp-image-20289\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/czujniki.jpg 250w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2020\/06\/czujniki-150x150.jpg 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Cyfrowe czujniki odleg\u0142o\u015bci<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-82b9cce elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"82b9cce\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f5c804e\" data-id=\"f5c804e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1ba47a81 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"1ba47a81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/137-cyfrowe-czujniki-odleglosci\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-db3671e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"db3671e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e0f8578\" data-id=\"e0f8578\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-16802e5 elementor-widget elementor-widget-text-editor\" data-id=\"16802e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Modu\u0142 sprawdzi si\u0119 w projektach zwi\u0105zanych z systemami bezpiecze\u0144stwa, a na jego prac\u0119 nie wp\u0142ywaj\u0105 czynniki takie jak wysoka temperatura, deszcz oraz gromadz\u0105cy si\u0119 kurz. Mo\u017cemy r\u00f3wnie\u017c pracowa\u0107 z kompatybilnym, ulubionym <b><a href=\"https:\/\/botland.com.pl\/283-arduino-moduly-glowne\" data-wpel-link=\"internal\">Arduino<\/a><\/b>. Bardziej wprawni majsterkowicze mog\u0105 dostosowa\u0107 modu\u0142 do w\u0142asnych potrzeb &#8211; na p\u0142ytce mamy do dyspozycji <b><a href=\"https:\/\/botland.com.pl\/870-diody-led\" data-wpel-link=\"internal\">diody LED<\/a><\/b>.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ee5dd3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ee5dd3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3c859d3\" data-id=\"3c859d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-75e7268 elementor-widget elementor-widget-text-editor\" data-id=\"75e7268\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"k-faq-accord\">\n<h2>Radar Dopplera &#8211; FAQ<\/h2>\n\n<div class=\"tabs\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck1\" type=\"checkbox\" \/>\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck1\">Jak dzia\u0142a radar drogowy?<label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Radar drogowy jest urz\u0105dzeniem, kt\u00f3re emituje fale charakteryzuj\u0105ce si\u0119 pewn\u0105 cz\u0119stotliwo\u015bci\u0105. W momencie, gdy fale napotkaj\u0105 przeszkod\u0119 w postaci jad\u0105cego pojazdu, w\u00f3wczas odbijaj\u0105 si\u0119 od niego i wracaj\u0105 od urz\u0105dzenia (radaru drogowego). Na skutek odbicia od jad\u0105cego pojazdu, cz\u0119stotliwo\u015b\u0107 fal zostaje zmieniona. Dzi\u0119ki informacjom o tym zmianach mo\u017cna precyzyjnie obliczy\u0107 pr\u0119dko\u015b\u0107, z jak\u0105 porusza\u0142 si\u0119 samoch\u00f3d lub motocykl.\n<\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck2\" type=\"checkbox\" \/>\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck2\">Jak dzia\u0142a radar lotniczy?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Radary lotnicze znajduj\u0105ce si\u0119 na wyposa\u017ceniu nowoczesnych samolot\u00f3w maj\u0105 wbudowany radiowysoko\u015bciomierz. G\u0142\u00f3wnym zadaniem wysoko\u015bciomierza jest emitowanie fal w kierunku powierzchni ziemi. Gdy fale napotkaj\u0105 przeszkod\u0119 w postaci ziemi, obijaj\u0105 si\u0119 od niej i wracaj\u0105 do urz\u0105dzenia. Czas potrzebny na pokonanie tej odleg\u0142o\u015bci umo\u017cliwia precyzyjne obliczenie aktualnej wysoko\u015bci samolotu. Wi\u0119cej o radarach mo\u017cna przeczyta\u0107 w tym <a href=\"https:\/\/botland.com.pl\/blog\/radar-dopplera-co-to-jest-i-jak-dziala\/#Co-to-jest-radar\" data-wpel-link=\"internal\">artykule<\/a>.\n<\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck3\" type=\"checkbox\" \/>\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck3\">Jak dzia\u0142aj\u0105 radary wojskowe?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Istnieje kilka r\u00f3\u017cnych typ\u00f3w radar\u00f3w wojskowych. Zasadniczo ich dzia\u0142anie opiera si\u0119 na wysy\u0142aniu wi\u0105zki fali (w bardzo kr\u00f3tkich odst\u0119pach) i nas\u0142uchiwaniu powracaj\u0105cych (odbitych od przeszk\u00f3d) fal. W momencie, gdy fala dotrze do poruszaj\u0105cego si\u0119 obiektu np. do samolotu, odbija si\u0119 od niego i wraca do odbiornika. W momencie odbicia, fala zmienia swoj\u0105 charakterystyk\u0119. Na podstawie dostarczanych informacji (z fali powrotnej) radar precyzyjnie okre\u015bla aktualne po\u0142o\u017cenie r\u00f3\u017cnych obiekt\u00f3w. \n<\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck4\" type=\"checkbox\" \/>\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck4\">Do czego s\u0142u\u017cy radar?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Radar to system, kt\u00f3ry emituje fale radiowe w bardzo kr\u00f3tkich odst\u0119pach. W momencie, gdy fala napotka przeszkod\u0119, odbija si\u0119 od niej i wraca do systemu. Fala powrotna jest odbierana przez odbiornik. Na podstawie informacji o czasie niezb\u0119dnym do pokonania odleg\u0142o\u015bci od radaru do przeszkody i z powrotem, mo\u017cna bardzo precyzyjnie obliczy\u0107 odleg\u0142o\u015b\u0107.\n<\/div>\n\n<\/div>\n<\/div>\n\n\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Meteorologia, muzyka w radiu, radary wojskowe na pok\u0142adach samolot\u00f3w&#8230; A mo\u017ce w\u0142asne projekty z modu\u0142ami Seeedstudio, r\u00f3wnie\u017c dla Arduino? <\/p>\n","protected":false},"author":10,"featured_media":60931,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[136,7],"tags":[49],"class_list":["post-6263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciekawostki","category-elektronika","tag-czujniki"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Radar Dopplera - co to jest i jak dzia\u0142a? - Botland<\/title>\n<meta name=\"description\" content=\"Meteorologia, muzyka w radiu, radary wojskowe na pok\u0142adach samolot\u00f3w... 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