Ukwembula Izimfihlo ze-GNSS: Ama-Antenna, Amamojula, kanye Nama-Receivers
Emkhakheni wokubeka indawo kanye nokuzulazula okunembile, I-Gnss (Uhlelo Lwesathelayithi Lokuhamba Lomhlaba Wonke) ludlala indima ebalulekile. Izingxenye ezintathu ezibalulekile - I-GNSS i-antennas, Imojuli ye-Gnsss, futhi Abamukeli be-GNSS– sebenza ndawonye ukuze senze indawo yethu ibe sendaweni efanele - amadivayisi aqaphele asebenze kahle. Ake sihlole ngokujulile ukuxhumana kwawo, ukuxhumana kwawo, kanye nomehluko wawo.
1. Ama-Antenna e-GNSS: Ama-Signal Catchers
Ama-Antenna e-GNSSyizimpi zomugqa wangaphambili ezinomsebenzi wokubamba izimpawu zesathelayithi. Zenzelwe ukwamukela izimpawu ezibuthakathaka ezivela ezinkanyezini zesathelayithi njenge-GPS (US), i-GLONASS (Russia), i-BeiDou (China), kanye ne-Galileo (EU). Lawa ma-antenna asebenza kumabhendi athile emvamisa, njenge-L1 Band esetshenziswa kabanzi (~1575.42 MHz) yezinhlelo zokusebenza zomphakathi kanye namanye amabhendi okusetshenziswa okukhethekile.
Kunezinhlobo ezimbili eziyinhloko: esebenzayo kanye nengasebenzi. Ama-Antenna e-GNSSiza ne-amplifier ehlanganisiwe yomsindo ophansi (i-LNA). Le LNA ishintsha umdlalo njengoba ikhulisa izimpawu zesathelayithi ezibuthakathaka ngaphambi kokuba zifike ku-receiver, okubaluleke kakhulu ezindaweni ezinezinselele zesignali njengezigodi zasemadolobheni noma izimoto zangaphakathi. Ngakolunye uhlangothi, ezingasebenzi azinawo lo mzwilili owakhelwe ngaphakathi futhi zithembele emandleni okukhulisa we-receiver.
2. Amamojula e-GNSS: Ama-Integration Hubs
Amamojula e-GNSS, zifana nezindawo zamandla ezincane, ezisebenza kuzo zonke. Zihlanganisa izingxenye eziningi, okuhlanganisa isekethe ye-RF (imvamisa yomsakazo) futhi, kwezinye izimo, ngisho nama-antenna (uma ebizwa ngokuthi amamojula e-antenna e-GNSS). Lawa mamojula aklanyelwe ukuhlanganiswa kalula kumadivayisi ahlukahlukene angenantambo, kungaba yi-smartphone, i-drone, noma uhlelo lokulandelela imoto.
OkujwayelekileAmamojula e-GNSS,ingasekela izinhlelo eziningi zesathelayithi (i-GPS, i-BeiDou, i-GLONASS, i-Galileo, njll.). Isibonelo, amanye amamojula angalandelela amasignali avela kumasathelayithi angaphezu kuka-50 kuwo wonke amaqoqo ezinkanyezi ahlukene. Acubungula amasignali angavuthiwe atholiwe (ngokuvamile aqale athathwe yi-antenna) ukuze akhiphe idatha yesitembu sesikhathi kanye nolunye ulwazi olubalulekile oludingekayo ukuze kubekwe indawo. Empeleni, asebenza njengebhuloho phakathi kokubanjwa kwesignali ye-antenna kanye nokubalwa kwesikhundla sokugcina somamukeli.
3. Abamukeli be-GNSS: Izikhungo Zokubala
Abamukeli be-GNSS yilapho kubalwa khona umlingo wokubalwa kwesikhundla. Uma i-antenna isibamba futhi (uma kudingeka, ngemva kokukhuliswa yi-antenna esebenzayo) ithumela izimpawu zesathelayithi, futhi imojuli icubungula idatha eluhlaza ngezinga elithile, umamukeli uthatha izintambo. Isebenzisa idatha yesikhathi evela kulezi zimpawu ukubala ibanga lesathelayithi ngayinye. Ngokuhlanganisa idatha evela okungenani kumasathelayithi amane ngendlela ebizwa ngokuthi i-trilateration, inganquma indawo eqondile yomsebenzisi.
Ama-receiver angaba amadivayisi azimele noma ahlanganiswe ezinhlelweni ezinkulu. Kudingeka ahambisane namasignali acutshungulwa amamojula futhi athathwe ama-antenna. Ama-receiver anembile kakhulu, njengalawo asetshenziswa ekuhloleni noma ekundiza, angasebenzisa amasignali emvamisa eminingi avela kumamojula e-GNSS nama-antenna ukuze afinyelele ukunemba okukhulu nakakhulu, amelane kangcono nokuphazamiseka namaphutha esignali.
Ubudlelwano kanye nokuxhumana
●Ukugeleza Kwesignali: I-GNSS Antenna ibamba izimpawu zesathelayithi kuqala. Uma kuyi-antenna esebenzayo, yandisa izimpawu. Lezi zimpawu zibe seziya kwi-GNSS Module, ecubungula izimpawu ze-RF ezingavuthiwe zibe uhlobo oluphathekayo. Ekugcineni, i-GNSS Receiver isebenzisa le datha ecubunguliwe ukubala indawo nge-trilateration.
●Ukuhlanganiswa: Amamojula e-GNSS avame ukuhlanganisa ama-antenna (akha amamojula e-antenna e-GNSS) ukuze kube nesisombululo esilula nesincane. Futhi kokubili i-antenna kanye nemojula kubalulekile ukuze umamukeli athole idatha edingekayo yokunquma isikhundla. Kumadivayisi amaningi, njengama-smartphone, lezi zingxenye ezintathu zifakwe ngendlela yokuthi i-antenna iyingxenye yemojula, futhi imojula isebenza nesekethe yangaphakathi yomamukeli wedivayisi.
Umehluko
●Ukugxila Komsebenzi:
○Ama-antenna amayelana nokubamba isignali, kanti kwalawa asebenzayo, akhulisa okokuqala.
○Amamojula agxila ekuhlanganiseni izingxenye kanye namasignali angaphambi kokucubungula umamukeli.
○Ama-receiver azinikele ekubaleni okuyinkimbinkimbi ukuze anqume indawo, ijubane, kanye nesikhathi.
●Ifomu Lomzimba:
○Ama-antenna angaba angaphandle (njenge-antenna yophahla lwemoto) noma angaphakathi (i-patch encane yobumba ku-smartphone), anezimo nobukhulu obuhlukahlukene ngokusekelwe ekwakhiweni kwawo (isb., aqonde ngqo ukuze ambozwe kabanzi).
○Amamojula ngokuvamile amayunithi amancane, afakwa phezulu, aklanyelwe ukungena emabhodini wesekethe yamadivayisi.
○Ama-receiver angahluka kusukela kuma-chip amancane kudivayisi kuya kumayunithi amakhulu, azimele emishini yokuhlola yobungcweti.
●Ubunzima Bobuchwepheshe:
○Ama-antenna abhekana nokubanjwa kwesignali ye-RF kanye nokukhulisa okuyisisekelo (ezimweni ezisebenzayo), ethembele ezimisweni ze-electromagnetic.
○Amamojula ahilela ukuhlanganisa izifunda ze-RF, mhlawumbe ama-antenna, kanye nokucutshungulwa kwesignali okuyisisekelo, okudinga ulwazi lokuhlanganiswa kwehadiwe kanye nokuphathwa kwesignali.
○Ama-receiver ayizinto eziyinkimbinkimbi kakhulu, ezihlanganisa ama-algorithms athuthukile okuhlanganisa ama-trilate, ukulungisa amaphutha, kanye nokubhekana nezimpawu eziningi zesathelayithi ngasikhathi sinye.
Ekuphetheni, ama-GNSS Antennas, amaModules, kanye namaReceivers yiwona maqhawe angadumile ngemuva kwayo yonke i-app yokuzulazula enembile, uhlelo lokulandelela izimoto, kanye nocwaningo olunembile. Ukuqonda izindima zabo ezihlukile kanye nendlela abasebenzisana ngayo kusisiza ukuba siqonde ubuchwepheshe obumangalisayo obusigcina sisendleleni ezweni lethu lesimanje, eliqhutshwa yindawo. Kungakhathaliseki ukuthi ungumthandi wezobuchwepheshe, unjiniyela, noma ungumuntu othembele kuma-smartphone akhe ukuze athole iziqondiso, lezi zingxenye ziwumgogodla wesipiliyoni sokuma esingenamthungo esivame ukusithatha kalula.