Lokacin da muke watsa sigina, ko siginar gani ne ko siginar lantarki ko siginar mara waya, idan ana watsa ta kai tsaye, siginar na iya fuskantar tsangwamar amo, kuma yana da wahala a sami ingantaccen bayani a ƙarshen karɓa. Don haɓaka ikon hana tsangwama na tsarin, ana iya gane shi ta hanyar daidaita siginar. Modulation kuma na iya inganta ƙimar amfani da tashoshi, don haka daidaitawa yana da babban tasiri akan inganci da amincin tsarin sadarwa.
Tsarin kusurwar kusurwa da aka kwatanta a ƙasa don alamun analog ne.
Mai ɗaukar Sinusoidal yana da sigogi uku: girma, mita da lokaci. Za mu iya ɗora bayanan siginar da aka daidaita ba kawai a cikin girman canjin mai ɗaukar kaya ba, har ma a cikin mita ko canjin lokaci na mai ɗauka. A lokacin daidaitawa, idan mitar mai ɗauka ta canza tare da siginar da aka daidaita, ana kiranta mita daidaitawa ko daidaitawar mita (FM); Idan lokaci na mai ɗaukar kaya ya canza tare da siginar da aka daidaita, ana kiran shi yanayin daidaitawa ko lokaci modulation (PM). A cikin waɗannan matakan daidaitawa guda biyu, girman mai ɗaukar hoto ya kasance mai ƙarfi, yayin da canjin mita da lokaci ke bayyana azaman canji a cikin lokaci na gaggawa na mai ɗaukar hoto, don haka daidaitawar mitar mitar da daidaitawar lokaci gaba ɗaya ana kiranta da Angle modulation.
Bambanci tsakanin Modulation na Angle da amplitude modulation shi ne cewa yanayin siginar da aka daidaita ba shine canjin sigina na ainihin siginar siginar da aka canza ba, amma canji mara kyau na bakan, wanda zai samar da sabbin abubuwan mitar da suka bambanta da canjin bakan, don haka ya kasance. kuma ana kiransa da ba daidai ba.
Duk FM da PM ana amfani da su sosai a tsarin sadarwa. FM ana amfani dashi sosai a watsa shirye-shiryen kiɗa mai inganci, watsa siginar sauti na TV, sadarwar tauraron dan adam da tsarin wayar salula. Baya ga yin amfani da shi kai tsaye don watsawa, ana kuma amfani da PM azaman canji don samar da siginar FM kai tsaye. Akwai dangantaka ta kud-da-kud tsakanin gyare-gyaren mitar mita da daidaitawar lokaci.
Idan aka kwatanta da na'urar daidaitawa, fitaccen fa'idar Angle modulation shine babban aikin sa na hana surutu. Duk da haka, akwai ciniki tsakanin riba da asara, kuma farashin wannan fa'idar shi ne cewa Tsarin Angle ya mamaye mafi girman bandwidth fiye da siginar da aka daidaita.
Abin da ke sama shine Shenzhen HDV Phoelectron Technology Co., Ltd. don kawo muku ilimin "haɓaka na'ura na zamani (Angle modulation)". Shenzhen HDV Phoelectron Technology Co., Ltd ya dogara ne akan samfuran sadarwa don samar da masana'antun, samar da kayan aiki na yanzu:ONUjerin, Optical module series,OLTjerin, transceiver jerin. Zai iya ba da sabis na musamman don yanayi daban-daban na buƙatun cibiyar sadarwa, maraba da zuwa don tuntuɓar.
