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Chastotani almashtrish klavishi Chastotani almashtirish klavishi



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2. Chastotani almashtrish klavishi Chastotani almashtirish klavishi (FSK) a chastota modulyatsiyasi raqamli ma'lumot a chastotasining diskret o'zgarishi orqali uzatiladigan sxema tashuvchi signal.[1] Texnologiyasi kabi aloqa tizimlari uchun ishlatiladi telemetriya, ob-havo shari radiozondlarqo'ng'iroq qiluvchi identifikatorigaraj eshiklarini ochish moslamalari, va past chastotali radio uzatish VLF va ELF guruhlar. Eng oddiy FSK ikkilik FSK (BFSK). BFSK ikkilik (0 va 1 soniyalar) ma'lumotni uzatish uchun diskret chastotalar juftligini ishlatadi.[2] Ushbu sxema bilan "1" markali chastota va "0" kosmik chastota deb nomlanad


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