Somugadziri wenyanzviwireless communication video links, Isu tinobheja iwe waiwanzo bvunzwa nevashandisi: inguva yakareba sei yako inogonaUAV COFDM Vhidhiyo Transmitter or UGV data linkkusvika?
Kuti tipindure mubvunzo uyu, tinodawo ruzivo rwakadai sekukwirira kweantenna / terrain mamiriro / zvipingamupinyi, nezvimwewo. Wireless radio performance inongova chinhu chimwe chete.Muchokwadi, kuburikidza nekuferefeta uku kwakadzama chete kunogona kuongorora kureba chaiko kwekutaurirana kusina waya.Zvakadaro ongororo yakadai inoda ruzivo rwakawanda uye ruzivo rwehunyanzvi.
Iyi blog ichapa dzimwe nzira dzakakosha uye dzine misimboti dzekukubatsira kuita mamwe matongerwo nezve chinhambwe chekutaurirana.
Hezvino zvinhu zvinokanganisa kureba kwekutaurirana uye kushanda kweWireless Video Transmission System.
1. Izvo zvinotsanangurwa zveiyo wireless video transmission product
● Simba reRF: a RF yakakurasimba re transmitteraigonakusvikaa refukureba kwekukurukurirana.
ThekumusoroRF simba, mafungu eredhiyo ari kure anogona kufamba.Hukama huripo pakati pesimba rekubuda uyewirelessnhambwe yekukurukurirana inoenzana neskweya, kureva kuti, simba rekubuda rinopetwa kaviri, uye nhambwe yekukurukurirana inopeta kaviri mudzi wepakutanga.Simba rekubuda ndiro 4 nguva dzepakutanga, uye kureba kwekutaurirana ndeye 2 nguva dzepakutanga.
● Kugamuchira Sensitivity: Iyo yakaderera kugamuchira senitivity, zviri nani
Kugamuchira kunzwisiswa kunoreva nhanho shoma iyomaredhiyo ekukurukurirana asina wayaanogona kugamuchira uye kuziva. Apo iyochinhambweyakarebauye simba rechiratidzo rinobva rapera simbaer, kuderera kwekunzwaredhiyohavemukana wekutora chiratidzo, ndiko kuti, inogona kushanda kure kure.
2. Mwaranzi
Kupararira kwemafungu eredhiyo chinhu chemagetsi chemumunda.Inofamba sesaisai mumagetsi uye magineti.
Ko masaisai eredhiyo anofambiswa sei kubva kune antenna?:
Kushandiswa kweiyi nzira kutsanangura kuparadzirwa kwemasaisai eredhiyo kuchiri kusakwana. Semuenzaniso, vanhu vachiri kubvunza kuti, "Denderedzwa rakakura sei?""Chii chiri kunze kwedenderedzwa?"
Naizvozvo, kuti upe kunzwisisa kwakanyanya kweredhiyo kubuda,tinoshandisa mwenje wefluorescent kutevedzera mwaranzi yeredhiyo sepazasi mufananidzo (3).
Bkururamaane simbapakati nepakatiuye isina simba kumativi ose maviri, zvichiratidza kupararira kwesimba rechiedza chinobudiswa kubva murambi.Chiitiko ichi chinogona kufananidzwa neantenna yekutapurirana isina waya, uko simba rechiratidzo riri pakati rakakwirira uye simba rechiratidzo kumativi ese ari maviri rakaderera.Izvozvo's seikukwirira kwekuisa kweantenna chinhu chakakosha kunokanganisa nhambwe yekukurukurirana.
3.Environmental Factors
Iyo redhiyo simba "inosununguka" kubva kune antenna uye inofamba munzvimbo yemahara.Kune static magetsi uye magineti minda munzvimbo yemahara.Simba reredhiyo rinofamba nenzira ye "mafungu" ano "ripple" kuburikidza nendima yakamira.
Kana simba reredhiyo richipararira nenzira yemasaisai emagetsi, rinosangana nezvipingamupinyi, uye rinoburitsawo zviitiko zvakafanana nekuratidzira kana kufuratira sechiedza, masaisai emvura, uye masaisai emhepo seFigure(4).
Mushure mekunge nhepfenyuro yeredhiyo yaratidzwa kamwe chete, chikamu chesaisai chinoshanduka zvachose.Nzvimbo dzepamusoro dzinova zvimwiro, uye zvimwiro zvinova zvimedu.Hongu, panewo masanga kuti nzira inoratidzwa inongova hafu yewavelength kure kupfuura nzira yakananga.Ipapo pachava nenhongonya dzakasimirirwa pamusoro penhongonya, uye zvimwiro pamusoro pezvimwiro, uye chiratidzo chichasimbiswa kusvika kumwero mukurusa.
LOS (Mutsetse Wekuona) isina waya yekutaurirana ine nzira mbiri dzekuparadzira: yakananga uye inofungidzira.Kana paine chipingamupinyi munzira yekuparadzira, kuitira kuti nzira yakananga ivharwe, chiratidzo chinogona kusvikwa chete nekuratidzira, kunonzi.isiri-mutsara-yekuonakuparadzira (NLOS).Mhedzisiro yekufambisa inoderedzwa zvakanyanya.Pane imwe nyaya, kureba kwechipingamupinyi hakuna kunyanya kukwirira, nzira yakananga inogona kusvika.Asi iyo nzira yekuratidzira nzira ye "yakakwidziridzwa" chiratidzo yakavharwa, uye kukanganisa kwekutapurirana kwakakurawo.
Parizvino, mainjiniya anoshandisa Fresnel zone kuongorora kukanganisa kwezvipingamupinyi pamutsara-we-kuona kutaurirana.Iyo Fresnel zone inofunga nezve yakananga uye inoratidzira nzvimbo.Chero bedzi pasina zvipingamupinyi uye pasina zvipingamupinyi munzvimbo ino, nhambwe yekukurukurirana inogona kufungidzirwa.
Ckubatanidza
Wirelessmobilevideotransmitterinoshanda panzvimbouko mapato ese ari maviri anogona kuonana hazvireve hazvo mutsara-wekuonana kutaurirana.Chete kana nzvimbo iri muFresnel zone yagutsikana ndipo panogona kuwanikwa mamiriro emutsara-wekuona.Chii chinofanirawekuita kana pane zvipingamupinyi?Muchiitiko chekuti chipingamupinyi hachigone kufambiswa, tinogona kusimudza antenna zvinoenderana nemusimboti weFresnel zone.
Nguva yekutumira: Jun-20-2023
