Canza radar
Juya radar tsarin ne da ake amfani da shi a cikin masana'antar kera motoci don sauƙaƙa wurin yin kiliya koda lokacin ganin baya ya zama sifili. Irin wannan radar yana aiki akan ka'ida ɗaya kamar radar na al'ada, amma ba tare da amfani da nau'in raƙuman ruwa iri ɗaya ba. Don haka, ya kamata mu kira shi sonar ba radar ba, bayanin yana nan a ƙasa. Toyota Corona Corona na 1982 ita ce ƙirar mota ta farko da ta yi amfani da jujjuya radar don taimakon kiliya.
Echo sounder, ba radar ba!
Yayin radar na al'ada yana amfani da raƙuman ruwa electromagneticAn bambanta radar ta baya ta amfani daraƙuman sauti... Ya kamata ku sani cewa kalaman electromagnetic a gaskiya raƙuman rediyo, raƙuman rediyo radiation yana kama da haske (raƙuman rediyo da kansa haske ne, tabbas wannan zai ba da mamaki fiye da ɗaya). Bambancin shine Sautin sauti Ana buƙatar tallafi (ruwa ko iska, iri ɗaya ne ... Dukansu ana ɗaukar su azaman ruwa. Suna aiki iri ɗaya). Wannan yana nufin cewa radar da ke juyawa ba zata yi aiki akan wata ba saboda babu wani yanayi a kanta!
Juya radar (sonar, da sauransu) Ya ƙunshi masu watsawa da firikwensin huɗu ko fiye dangane da ƙirar motar. Hakanan ya ƙunshi kwamfutar da na'urar faɗakarwa mai ji, wanda a wasu lokuta na iya kasancewa tare da wani abun gani.
Manufa
Masu watsawa suna watsa raƙuman ruwa ta cikin iska (duban dan tayi, saboda bai kamata mu ji su ba! Ana nuna su (an dawo dasu) lokacin da suka gamu da cikas, kuma a ɗan dawo da na'urar aikawa. Sannan raƙuman ruwa da aka nuna ta hanyar cikas suna kama na'urori masu auna sigina, sannan naúrar kula da lantarki tana ɗaukar waɗannan sigina. Sannan yana auna lokacin amsawa (lokacin da aka ɗauka tsakanin watsawa da karɓar amsa kuwwa: raƙuman ruwa wanda ya taso daga cikas kuma wanda a ƙarshe ya dawo), da saurin yaduwar sauti a cikin iska, sannan yana lissafin tazara tsakanin abin hawa da cikas.
Mu ƙidaya kanmu
Kusa kusa da cikas, saurin igiyar tana komawa da baya. Amma don fahimtar saukin ƙa'idar, bari mu taka rawar kwamfutar da ke nuna nisan da ke bayan motar:
Tsarin yana aika raƙuman sauti baya kuma ya dawo bayan 0.0057 sakan (wannan karami ne, saboda sauti 350 m / s a cikin iska). Don haka, raƙuman ruwa sun yi tafiya zagaye 0.0057 na biyu, Ina buƙatar ɗaukar rabin don gano yadda nake nesa da cikas: 0.00285 seconds. Da zarar na san sautin ya kai 350 m / s sannan kuma lokacin da igiyar ta yi tafiya, zan iya hasashen nisan: 350 x 0.00285 = 0.9975... Don haka ina cikin Kimanin 0.99 m ou 99.75 cm idan muna son zama daidai.
Don haka kwamfutar za ta yi amfani da na’urori da na’urar firikwensin don aiwatar da igiyar ruwa, sannan za ta yi lissafin sakamakon da kanta da zaran tana da bayanai a hannu, daidai abin da na yi kawai.
Duk tsokaci da martani
karshe sharhin da aka buga:
Gilles (Kwanan wata: 2019 12:28:20)
Za mu iya zana radar mai juyawa, don Allah?
Ina I. 4 amsa (s) ga wannan sharhin:
(Za a iya ganin post ɗinku a ƙarƙashin sharhin bayan tabbaci)
Rubuta sharhi
Kuna tsammanin ƙidayar PV tayi daidai da laifukan da aka aikata?
