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    Sadarwar Tsare-tsare Tsare-tsare (DSSS) Sadarwa - Ka'idar Sadarwa

    Lokacin aikawa: Satumba-22-2022

    Ka'ida:Ƙa'idar Tsarin Batsa Tsare-tsare Kai tsaye yana da sauƙi. Misali, zaren bayanin da za a aika ana faɗaɗa shi zuwa maƙallan mitar mai faɗi sosai ta hanyar lambar PN. A ƙarshen karɓa, ana dawo da bayanin da aka aika ta hanyar daidaita siginar bakan da aka watsa tare da lambar PN iri ɗaya da aka yi amfani da ita don faɗaɗawa a ƙarshen aikawa.

    Sadarwar Sadarwar Sequence Spread Spectrum (DSSS) - Ka'idar Sadarwa

    Ƙidaya mai zurfi:Da farko, kai tsaye yana amfani da jerin lambobin da aka bazu tare da babban adadin lambar don yada bakan siginar a mai watsawa ta hanyar amfani da hanyoyin daidaitawa daban-daban, sannan kuma yana amfani da jerin lambobin yaɗa iri ɗaya don yankewa a wurin mai karɓa don dawo da yaɗuwar. siginar bakan zuwa ainihin bayanin. Yadda ake yada bakan musamman: A zahiri, ana amfani da hanyar daidaitawa ta dijital. Musamman, ana amfani da takamaiman lambar PN (lambar surutu) don ƙara tushen siginar. Misali, lokacin da mai watsawa yana buƙatar isar da sigina, maye gurbin "1" da 110001000110 da "0" tare da 00110010110. Wannan tsari yana gane nau'i mai fadi. A mai karɓa, idan jerin da aka karɓa shine 110001001110, za a mayar da shi zuwa "1" kuma idan "00110010110" ne, za a mayar da shi zuwa "0". Ana kiran wannan “breading. Ta wannan hanyar, ƙimar siginar siginar tana ƙaruwa sau 11, kuma ribar sarrafawa ya fi 10dB, wanda ke inganta haɓakar haɓakar amo da yawa na injin duka.
    Faɗin RF na tsarin DSSS yana da faɗi sosai. Sabili da haka, ƙananan ɓangaren bakan ba zai haifar da mummunar faɗuwar siginar siginar ba, wanda shine ɗayan fa'idodinsa. Hukumar DSSS ta yi fice wajen tsaronta, shi ya sa sojojin Amurka suka fi amfani da ita wajen watsa waya a lokacin yakin duniya na biyu.

    Abin da ke sama shine bayanin ilimin Direct Sequence Spread Spectrum (DSSS) Sadarwa - Ƙa'idar Sadarwa ta kawo muku.Shenzhen HDV Optoelectronic Technology Co., Ltd., mai kera kayan sadarwa na gani. fatan wannan labarin zai iya taimaka muku don ƙara ilimin ku. Na gode da karanta wannan labarin.

     



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