Nkhani

Ukadaulo wa Microwave wa Sichuan Keenlion womwe unayamba mu 2004, Sichuan Keenlion Mircrowave techenology CO., Ltd. ndiye wopanga wamkulu wa zida za Passive Mircrowave ku Sichuan Chengdu, China.

Timapereka zida za mirrowave zogwira ntchito bwino komanso ntchito zina zokhudzana ndi ntchito za microwave kunyumba ndi kunja. Zogulitsazi ndizotsika mtengo, kuphatikizapo zida zosiyanasiyana zogawa mphamvu, zolumikizira zolunjika, zosefera, zophatikiza, zoduplex, zida zosinthira zamagetsi, zosungunulira ndi zozungulira. Zogulitsa zathu zimapangidwa mwapadera kuti zigwirizane ndi malo osiyanasiyana otentha kwambiri. Mafotokozedwe amatha kupangidwa malinga ndi zosowa za makasitomala ndipo amagwiritsidwa ntchito pa ma frequency band onse omwe ali ndi ma bandwidth osiyanasiyana kuyambira DC mpaka 50GHz.

Duplexer

Duplexer ndiye chowonjezera chachikulu cha malo ogwirira ntchito awiri akunja ndi malo olumikizirana, omwe ndi olekanitsa zizindikiro zotumizira ndi zolandirira, kuonetsetsa kuti zolandirira ndi zotumizira zitha kugwira ntchito bwino. Ili ndi magulu awiri a zosefera za bandpass zama frequency osiyanasiyana, kupewa zizindikiro zotumizira zapafupi kupita kwa wolandila.

Theduplexerimagwiritsidwa ntchito kusuntha kulumikizana ndi kugwira ntchito kuthengo ngati Nsanja yopanda woyang'aniridwa, yomwe imadzipangira malo ogwiritsira ntchito komanso momwe amagwirira ntchito.

Choyamba, tikukhulupirira kuti duplexer ndi yaying'ono, yopepuka. Pakadali pano, chifukwa cha kuchuluka kwa duplexer ndi mavuto ena aukadaulo, duplexer ya ma radiot ogwiritsidwa ntchito m'manja sinanenedwe. Koma pa malo omwe angaperekedwe mu ma radiotele a magalimoto, magalimoto, ndi zina zotero, komanso pali mavuto a waya opanda zingwe ndi kutayika kwa kutentha, kotero kuti kuti tikwaniritse zizindikiro zina zaukadaulo, duplexer miniaturization ndiyofunikira kwambiri.

Chachiwiri, duplexer iyenera kukhala yosavuta kuyiyika, makamaka poyika ma duplexer ndi ma radiot ena. Iyenera kukhala yolimba, yodalirika, yaying'ono, iyenera kupirira kugwedezeka kwina ndi kugwedezeka, makamaka foni yopanda zingwe ya malo ena. Tikudziwa kuti duplexer yomwe ilipo pano nthawi zambiri imakhala ndi magawo ogawidwa kuti idziwe zofunikira za pafupipafupi yogwirira ntchito. Ngati kapangidwe ka duplexer sikasinthika, n'zotheka kupangitsa foni yopanda zingwe kuwonongeka, ngakhale cholandirira moto. Chofunika kwambiri. Kuphatikiza apo, ndi yothandiza kwambiri ngati malo osamukira omwe ndi ovuta kwambiri, zomwe zimafuna kuti duplexer iwonetsetse kuti kulumikizana kuli bwino mkati mwa kutentha koyenera kogwirira ntchito. Nthawi zambiri, duplex iyenera kukhala ndi kutentha koyenera kogwirira ntchito komanso kukhala ndi zizindikiro zokhazikika za kusintha kwa kutentha kuti ikwaniritse zofunikira za makina onse.

 

 

Chiyambi

Duplex yachizolowezi imakhala ndi zosefera zisanu ndi chimodzi zosagwira ntchito, chilichonse chimayatsidwa ndi kulandiridwa pafupipafupi. Fyuluta yolandira imayatsanso pafupipafupi yotumizira ndikuletsa wolandila chingwe chamagetsi, ndipo fyuluta yotumizira imayatsanso pafupipafupi yolandirira. Ma duplex ena salembedwa ndipo amalandiridwa kokha Low ndi HIGH, monga doublock Low = 450, high = 460, zomwe zikusonyeza kuti LOW end ikhoza kulumikizana ndi 450 mega receiver HIGH terminal kuti ilumikizane ndi chotumizira cha 460 megabyte, kapena LOW end imalumikizidwa ndi chotumizira cha 450 megabyte. HIGH terminal imalumikizidwa ndi cholandila cha 460 megabyte, ndipo pafupipafupi yotumizira ndi yolandirira imatha kusinthidwa, koma pafupipafupi yotumizira 460 sangalumikizidwe ndi duplexer 450 megabytes kuti apewe kuwonongeka kwa siteshoni ndi duplexer.

 

 

Sankhani

Chojambulira cha duplexer chiyenera kusinthidwa malinga ndi ma frequency otumizira ma wailesi. Kusiyana kwa ma frequency a megabye 400 10 MHz bandwidth yogwirira ntchito ya duplexer imatha kutsimikizira kuti kudzipatula kuli pafupifupi 90 dB, ndipo malo olumikizirana amodzi ali ndi kudzipatula kogwira ntchito kamodzi ka 120 dB. Pamene ma frequency ogwiritsira ntchito apitirira m'lifupi mwa duplexer, kudzipatula kwa ma transmission ndi reception kudzawonjezeka kwambiri, ndipo dera lolandira silikugwira ntchito bwino chifukwa cha kukhudzidwa kwa gawo lotumizira. Gawo la U la radiographing la amateur nthawi zambiri limalandira ma megabytes 5 Hz, duplexer yomwe imagwiritsidwa ntchito ndi kapangidwe ka narrowband, komwe kumatsimikizira kuti kudzipatula sikuchepetsedwa, koma bandwidth yogwira ntchito ndi yochepa, ndipo ndi 100 kHz. Ma practice atsimikizira kuti kugwiritsa ntchito ma duplexer kuli bwino kuposa kugwiritsa ntchito ma antenna awiri.

 

Tikhozanso kusintha zinthu za rf passive malinga ndi zomwe mukufuna. Mutha kulowa patsamba losinthira kuti mupereke zofunikira zomwe mukufuna.
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