Radar

Tsaona data inoratidza kuti inopfuura 76% yetsaona inokonzerwa nekukanganisa kwevanhu chete;uye mu94% yetsaona, kukanganisa kwevanhu kunosanganisirwa.ADAS (Advanced Driver Assistance Systems) ine akati wandei radar sensors, iyo inogona kunyatso tsigira mabasa ese ekutyaira asina munhu.Ehe, zvinodikanwa kutsanangura pano, RADAR inonzi Radio Detection And Ranging, inoshandisa masaisai eredhiyo kuona uye kutsvaga zvinhu.

Zvazvino radar masisitimu anowanzo shandisa 24 GHz kana 77 GHz kushanda frequency.Iyo mukana we77GHz iri mukurongeka kwayo kwepamusoro uye kuyerwa kwekumhanya, zvirinani yakachinjika angle resolution, uye diki antenna vhoriyamu, uye pane kushoma chiratidzo chekuvhiringidza.

Mapfupi-renji radars anowanzo shandiswa kutsiva ma ultrasonic sensors uye kutsigira mazinga epamusoro ekutyaira akazvimirira.Kuti izvi zviitike, masensa anozoiswa mumakona ese emota, uye sensor inotarisisa kumberi yekuona marefu-refu ichaiswa pamberi pemota.Mune 360 ​​° yakazara yekuvhara radar system yemuviri wemotokari, mamwe masensor anozoiswa pakati pemativi ese emuviri wemotokari.

Sezvineiwo, idzi radar sensors dzinoshandisa iyo 79GHz frequency bhendi uye 4Ghz yekufambisa bandwidth.Nekudaro, iyo yepasi rose chiratidzo frequency transmission standard parizvino inongobvumira 1GHz bandwidth mu77GHz chiteshi.Mazuva ano, tsananguro yekutanga ye radar MMIC (monolithic microwave integrated circuit) ndeye "3 transmitting channels (TX) uye 4 inogamuchira machaneli (RX) akabatanidzwa pane imwechete sedunhu".

Iyo yekubatsira mutyairi sisitimu iyo inogona kuvimbisa L3 uye pamusoro peasina munhu anotyaira mabasa inoda anokwana matatu ma sensor masisitimu: kamera, radar uye kuona laser.Panofanira kunge paine masensa akati wandei erudzi rumwe norumwe, akagovaniswa munzvimbo dzakasiyana dzemota, uye kushanda pamwechete.Kunyangwe iyo inodiwa semiconductor tekinoroji uye kamera uye radar sensor yekuvandudza tekinoroji ikozvino yave kuwanikwa, kuvandudzwa kweiyo lidar masisitimu ichiri dambudziko rakakura uye risina kugadzikana maererano nehunyanzvi uye zvekutengesa nyaya.

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Nguva yekutumira: Zvita-27-2021

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