Iindaba

Itekhnoloji yeMicrowave yaseSichuan Keenlion Yasekwa ngo-2004, iSichuan Keenlion Mircrowave techenology CO., Ltd. ngumenzi ophambili wezixhobo zePassive Mircrowave eSichuan Chengdu, eTshayina.

Sinikezela ngezixhobo ze-mirrowave ezisebenza kakuhle kunye neenkonzo ezinxulumene nazo kwii-microwave ekhaya nakwamanye amazwe. Ezi mveliso zixabisa kancinci, kuquka izixhobo ezahlukeneyo zokwahlula amandla, izixhobo zokudibanisa ezikhokelayo, izihluzi, izixhobo zokudibanisa, izixhobo zokudibanisa, izixhobo zokudibanisa, izixhobo ezizenzekelayo ezingasebenziyo, izixhobo zokwahlulahlula kunye nezixhobo zokujikeleza. Iimveliso zethu zenzelwe ngokukodwa iimeko ezahlukeneyo zobushushu kunye namaqondo obushushu agqithisileyo. Iinkcukacha zinokwenziwa ngokweemfuno zabathengi kwaye ziyasebenza kuzo zonke iibhendi zefrikhwensi ezisemgangathweni nezithandwayo ezineebhendi ezahlukeneyo ukusuka kwi-DC ukuya kwi-50GHz.

I-Duplexer

I-duplexer yeyona nto iphambili esetyenziswa kwi-workstation yangaphandle ephindwe kabini kunye ne-relay station, eyokwahlula imiqondiso yokudlulisa kunye neyokwamkela, ukuqinisekisa ukuba efunyenweyo kunye neyokudlulisa isebenza ngokufanelekileyo. Iqulathe iiseti ezimbini zee-bandpass filters zeefrequencies ezahlukeneyo, ezithintela imiqondiso yokudlulisa yasekuhlaleni kwi-receiver.

Ii-duplexerisetyenziselwa ukuhambisa unxibelelwano nokusebenza endle njengeNqaba engajongwanga, yona ngokwayo emisela indawo yokusetyenziswa kwayo kunye neemeko zokusebenza.

Okokuqala, sinethemba lokuba i-duplexer incinci, ilula. Okwangoku, ngenxa yobuninzi be-duplexer kunye nezinye iingxaki zobugcisa, i-duplexer yee-radiot eziphathwayo ayikabikwa. Kodwa kwindawo enokubonelelwa kwii-radiotelectors zeemoto, iimoto, njl.njl., kwaye kukwakho neengxaki zocingo ezingenazingcingo kunye nokusasazwa kobushushu, ukuze kuhlangatyezwane nezinye izalathisi zobugcisa, i-duplexer miniaturization iyimfuneko kakhulu.

Okwesibini, i-duplexer kufuneka ibe lula ukuyifaka, ingakumbi xa kufakwa ezinye ii-duplexers kunye nee-radiots. Kufuneka ibe namandla, ithembeke, incinci, ikwazi ukumelana nempembelelo ethile kunye nokungcangcazela, ingakumbi ifowuni engenazingcingo kwindawo ethile yejografi. Siyazi ukuba i-duplexer yangoku isasazwa kakhulu kwiiparameters ukumisela iimfuno zesantya sayo sokusebenza. Ukuba ulwakhiwo lwe-duplexer alulungiseki, kunokwenzeka ukuba ifowuni engenazingcingo yonakale, nokuba yi-receiver evuthayo. Okubaluleke kancinci. Ngaphezu koko, iluncedo ngakumbi njengesikhululo sokufuduka esiqatha ngakumbi, nto leyo efuna ukuba i-duplexer iqinisekise umgangatho wonxibelelwano ngaphakathi koluhlu lobushushu bokusebenza oluhambelanayo. Ngokubanzi, i-duplex kufuneka ibe noluhlu lobushushu bokusebenza olucacileyo kwaye ibe nezikhombisi zozinzo lokutshintsha kobushushu ukuhlangabezana neemfuno zokusetyenziswa komatshini wonke.

 

 

Intshayelelo

I-duplex eqhelekileyo inezihluzo ezintandathu ezinganyangekiyo, i-resonant nganye iyadluliselwa kwaye ifunyenwe rhoqo. Isihluzo sesiphelo sokwamkela sivuselela i-transmit frequency kwaye sithintele isamkeli sentambo yamandla okudlulisa, kwaye isihluzo sesiphelo sokudlulisa sivuselela i-reception frequency. Ezinye ii-duplexers azinalebhile kwaye zifunyanwa kuphela phantsi naphezulu, njenge-doublock Low = 450, ephezulu = 460, nto leyo ebonisa ukuba i-LOW end inokujoyina i-450 mega receiver HIGH terminal ukuze ijoyine i-460 megabyte transmitter, okanye iya kuthi i-LOW end iqhagamshelwe kwi-450 megabyte transmitter. I-HIGH terminal iqhagamshelwe kwi-460 megabyte receiver, kwaye i-transmission kunye ne-reception frequency zinokuguqulwa, kodwa i-transmit frequency 460 ayinakudityaniswa kwi-duplexer 450 megabytes ukuphepha ukonakala kwisitishi kunye ne-duplexer.

 

 

Khetha

I-duplexer kufuneka yenziwe ngokwezifiso ngokwe-frequency yokudlulisa umsakazo. Umahluko we-400 megabye frequency 10 MHz bandwidth yomsebenzi we-duplexer inokuqinisekisa ukuba i-isolation imalunga ne-90 dB, kwaye i-single frequency point ine-isolation enye yokusebenza ye-120 dB. Xa i-frequency yokusetyenziswa idlula ububanzi be-duplexer eluhlaza, i-transmission kunye ne-reception isolation iya kwanda kakhulu, kwaye i-receiver circuit ayisebenzi kakuhle ngenxa yobuthathaka benxalenye edluliselweyo. I-terminal ye-radiographing yama-amateur ifumana i-5 megabytes Hz, i-duplexer esetyenzisiweyo yi-narrowband design, eqinisekisa ukuba i-isolation ayithotywanga, kodwa i-bandwidth yokusebenza inciphile, kwaye yi-100 kHz. Ukuziqhelanisa kuye kwabonisa ukuba ukusetyenziswa kwe-duplexers kungcono kunokusebenzisa i-antenna ezimbini.

 

Singakwazi nokwenza ngokwezifiso iinxalenye ze-rf passive ngokweemfuno zakho. Ungangena kwiphepha lokwenza ngokwezifiso ukuze unikeze iinkcukacha ozifunayo.
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