Shin Kun San Da gaske Game da Na'urar daukar hoto na Dijital?

A Matsayin Bayyanar Gwajin Hanya na Al'ada, Na'urar daukar hoto ta Dijital da gaske tana Nuna Muhallin Mara waya ta Wurin Gwajin.Ana Amfani da shi A CW (Ci gaba da Wave) Gwajin Siginar, Gwajin Haɓaka Hanyar Sadarwar Sadarwa, da Ayyukan Inganta hanyar sadarwa Don Tsarin Rarraba ɗaki.

Mu kalli Ma'auni na gama gari da ƙa'idodin Lokaci da Rarraba Na'urar daukar hoto na Dijital don dagula Binciken.

Muhimman Ma'auni Na Na'urar daukar hoto na Dijital sun haɗa da Saitunan Attenuator na ciki, Saitunan RBW (Bandiwidth Ƙaddamarwa) Saitunan Saitunan Girman Maɗaukaki, Da sauransu.

Ka'idar Saitin RF Attenuator Na Cikin Gida shine:

(1) Lokacin Neman Kananan Sigina, Yakamata a saita darajar Attenuation kamar yadda zai yiwu, Idan ba haka ba za a hadiye siginar da aka nema ta hanyar hayaniyar mitar na'urar kuma ba za a iya gani ba;

(2) Lokacin da Ya zama wajibi don Gano Sigina masu ƙarfi, yakamata a saita ƙimar ƙima kamar yadda zai yiwu, in ba haka ba zai haifar da jujjuyawar da ba ta dace ba a kewayen na'urar daukar hotan takardu, Nuna siginar ƙarya, har ma da lalata bayyanar;

Ka'idodin Saitin RBW sune:

(1) A lokacin da ya nemi ƙaramin ɗarara, Rbw ƙimar sannu-wuri, in ba haka ba za a bambance shi da amo da ganuwa ba a ganuwa;Amma Idan Idan Ƙimar RBW ta yi ƙasa da ƙasa, lokacin sharewa zai yi tsayi da yawa kuma ƙarfin gwajin zai shafi;

(2) La'akari da cewa Bandwidth na Single RB na GSM Signal, PHS Signal da TD-LTE Yana Kusa da 200K, Kuma Gabaɗaya Ƙarfin Gwaji, Ana Ba da Shawarar A saita RBW na Scanner zuwa 200KHz.

Ƙa'idar Saitin Girman Ƙididdigar Maɗaukaki Shine:

(1) Ta hanyar Haɗin gwiwar Tace, Saita Ma'aunin Ƙididdigar Maɗaukaki zuwa Sikelin Bandwidth na System LTE Don Bincika Sharuɗɗan Tsangwamar In-Band, Irin su F-Band TDS In-Band Tsangwama, Tsasuwar GSM Na Biyu masu jituwa, Da Tsangwama na DCS.Yana da kyau a Haɗa Tacewar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Madaidaicin Lokacin da ake Sharar Mitar.Misali, An saita Binciken Scrambling F-Band Zuwa 1880-1900MHz.Lokacin Sharar Mitar, Duk wani tashar jiragen ruwa na Antenna za a iya katse shi a RRU, Haɗa Filter, da Haɗa tashar Fitar Filter tare da Na'urar Scanner;

(2) Share Maɗaukakin Maɗaukaki Na Sama Da Ƙarƙasa Na Ƙarfafa Mitar Makada Don Bincike Ko Akwai Sana'o'in Siginar Tsari Daban-daban akan Ƙungiyoyin Ƙungiyoyin Daban-daban.Misali, Lokacin Binciken Tsangwama Na F-Band, Kuna Iya Saita Sikelin Maɗaukakin Maɗaukaki 1805MHz-1920MHz, Kuma Bincika 1805-1920MHz daban.Dangane da Siginar da Ƙarfin 1830MHz, 1830-1850MHz, 1850-1880MHz, Da 1900-1920MHz Frequency Bands, Bincika Ƙarfin Siginar DCS bisa ga Tsarin Tsangwama don Taimakawa Ƙaddamar Ko Za a Iya Samun Cikakkun Tsangwama na DCS;

Haɗa Sharuɗɗan Tsangwamar In-Band Da Yanayin Tsangwama Daga Wurin Banda Na Sama da Ƙarƙashin Ƙaƙwalwar Matsakaici a Sama da Matakai Biyu, Yana yiwuwa a Yi nazarin ma'aunin tsoma baki iri-iri a cikin wani yanayi mai cike da rudani inda aka fifita tsoma baki da yawa.