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Mefuta e meraro e fapaneng ea polarization ea SAR ke efe?
1. Polarization ea SAR ke eng? Polarization: H polarization e otlolohileng; V vertical polarization, ke hore, tataiso ea ho thothomela ea sebaka sa motlakase oa motlakase. Ha sathelaete e fetisetsa letšoao fatše, tataiso ea ho thothomela ea leqhubu la seea-le-moea le sebelisoang e ka ba ho motho ...Bala haholoanyane -
Li-antenna tsa manaka le li-antenna tse peli tse polarized: lits'ebetso le libaka tsa ts'ebeliso
Antenna ea lenaka le li-antenna tse peli tse polarized ke mefuta e 'meli ea li-antenna tse sebelisoang libakeng tse fapaneng ka lebaka la litšobotsi le mesebetsi ea tsona e ikhethang. Sehloohong sena, re tla hlahloba litšobotsi tsa li-antenna tsa lenaka le li-polar tse peli ...Bala haholoanyane -
Tlhaloso le tlhahlobo e tloaelehileng ea lihlopha tsa li-antenna tsa RFID
Har'a mahlale a puisano a se nang mohala, ke kamano feela e teng lipakeng tsa sesebelisoa sa transceiver e se nang mohala le lenakana la sistimi ea RFID ke eona e ikhethang ka ho fetisisa. Lelapeng la RFID, li-antenna le RFID li bohlokoa ka ho lekana ...Bala haholoanyane -
Maqhubu a seea-le-moea ke eng?
Theknoloji ea Radio Frequency (RF) ke theknoloji ea puisano e se nang mohala, e sebelisoang haholo seea-le-moea, likhokahano, radar, taolo e hole, marang-rang a sensor a se nang mohala le likarolo tse ling. Molao-motheo oa theknoloji ea maqhubu a seea-le-moea o ipapisitse le ho phatlalatsoa le ho feto-fetoha ha molumo ...Bala haholoanyane -
Molao-motheo oa ho fumana antenna, mokhoa oa ho bala phaello ea antenna
Ho fumana ha antenna ho bolela ho fumana matla a mahlaseli a antenna ka lehlakoreng le itseng le amanang le mohloli o nepahetseng oa mohloli. E emela matla a mahlaseli a antenna ka lehlakoreng le itseng, ke hore, kamohelo ea lets'oao kapa ts'ebetso e ntle ea tlhahiso ea ante ...Bala haholoanyane -
Mekhoa e mene ea mantlha ea ho fepa ea li-antenna tsa microstrip
Sebopeho sa antenna ea microstrip ka kakaretso e na le karoloana ea dielectric, radiator le poleiti ea fatše. Botenya ba substrate ea dielectric bo nyane haholo ho feta bolelele ba maqhubu. Lera le tšesaane la tšepe ka tlase ho substrate le hokahane le groun...Bala haholoanyane -
Polarization ea Antenna: Polarization ea Antenna ke Eng le Hobaneng e le Bohlokoa
Baenjiniere ba elektronike baa tseba hore manakana a romela le ho amohela lipontšo ka mokhoa oa maqhubu a matla a makenete a motlakase (EM) a hlalosoang ke lipalo tsa Maxwell. Joalo ka lihlooho tse ngata, li-equation tsena, le phatlalatso, thepa ea electromagnetism, li ka ithutoa ka mekhoa e fapaneng ...Bala haholoanyane -
Molao-motheo oa ts'ebetso le ts'ebeliso ea antenna ea lenaka
Nalane ea li-antenna tsa lenaka e qalile ka 1897, ha mofuputsi oa seea-le-moea Jagadish Chandra Bose a etsa meralo ea liteko ea bopula-maliboho a sebelisa li-microwave. Hamorao, GC Southworth le Wilmer Barrow ba ile ba qapa sebopeho sa antenna ea sejoale-joale ka 1938 ka ho latellana. Ho tloha ha t...Bala haholoanyane -
Lenakana la lenaka ke eng? Melao-motheo le litšebeliso tsa mantlha ke life?
Horn antenna ke lenakana la bokaholimo, e leng lenakana la microwave le nang le sefapano se chitja kapa sa khutlonnetsepa moo terminal ea waveguide e buloang butle-butle. Ke mofuta o sebelisoang haholo oa microwave antenna. Sebaka sa eona sa mahlaseli se khethoa ke boholo ba molomo le propa ...Bala haholoanyane -
Na u tseba phapang lipakeng tsa li-waveguide tse bonolo le li-waveguide tse thata?
Soft waveguide ke mohala oa phetisetso o sebetsang e le tšireletso lipakeng tsa lisebelisoa tsa microwave le li-feeders. Lerako le ka hare la leqhubu le bonolo le na le mohaho o nang le sekoti, o tenyetsehang haholo 'me o khona ho mamella ho kobeha ho rarahaneng, ho otlolla le ho hatella. Ka hona, ho ...Bala haholoanyane -
Li-antenna tse sebelisoang hangata | Kenyelletso ea mefuta e tšeletseng e fapaneng ea li-antenna tsa lenaka
Horn antenna ke e 'ngoe ea li-antenna tse sebelisoang haholo tse nang le sebopeho se bonolo, mefuta e mengata ea maqhubu, matla a maholo a matla le phaello e phahameng. Li-antenna tsa manaka hangata li sebelisoa e le li-antenna tsa phepelo ho bolepi ba linaleli ba seea-le-moea, ho lata sathelaete, le li-antenna tsa puisano. Ho phaella ho s...Bala haholoanyane -
mofetoleli
E le o mong oa mekhoa ea ho fepa ea li-antenna tsa waveguide, moralo oa microstrip to waveguide o bapala karolo ea bohlokoa phetisong ea matla. Mokhoa oa setso oa microstrip to waveguide ke o latelang. Sesebelisoa se nkileng karolo e nyenyane ea dielectric 'me se feptjoa ke mohala oa microstrip se ...Bala haholoanyane
