RU2010142535A - METHOD FOR DEMODULATION OF FREQUENCY-MANIPULATED ABSOLUTE-BI-PULSE SIGNALS USED FOR TRANSMISSION OF INFORMATION ON THE SHORT-WAY COMMUNICATION CHANNEL - Google Patents
METHOD FOR DEMODULATION OF FREQUENCY-MANIPULATED ABSOLUTE-BI-PULSE SIGNALS USED FOR TRANSMISSION OF INFORMATION ON THE SHORT-WAY COMMUNICATION CHANNEL Download PDFInfo
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- RU2010142535A RU2010142535A RU2010142535/08A RU2010142535A RU2010142535A RU 2010142535 A RU2010142535 A RU 2010142535A RU 2010142535/08 A RU2010142535/08 A RU 2010142535/08A RU 2010142535 A RU2010142535 A RU 2010142535A RU 2010142535 A RU2010142535 A RU 2010142535A
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Abstract
Способ демодуляции частотно-манипулированных абсолютно-биимпульсных сигналов с большой девиацией частоты, используемых для передачи информации по коротковолновому каналу связи, заключающийся в том, что сигналы принимают как два независимых, частотно-разнесенных амплитудно-манипулированных колебания, отличающийся тем, что в каждом элементе принимаемого сообщения производят оценку уровней сигнала и помех в первой и второй половине элемента сообщения, определяют отношение (сигнал + помеха)/помеха и выносят решение, которое соответствует "единице" или "нулю" в зависимости от значений полученных оценок уровней сигнала и помех в первой и второй половине элемента сообщения, при этом из двух параллельных частотно-разнесенных каналов решение выносят в пользу того канала, в котором оценка отношения (сигнал + помеха)/помеха имеет большее значение. A method for demodulating frequency-manipulated absolutely bi-pulse signals with large frequency deviation used to transmit information via a short-wave communication channel, which means that the signals are received as two independent, frequency-spaced amplitude-manipulated oscillations, characterized in that in each element of the received messages evaluate signal levels and noise in the first and second half of a message element, determine the ratio (signal + interference) / interference and make a decision that corresponds to t "one" or "zero" depending on the values of the obtained estimates of signal levels and interference in the first and second half of the message element, while from two parallel frequency-spaced channels, the decision is made in favor of the channel in which the ratio is estimated (signal + interference) ) / interference is more important.
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RU2010142535/08A RU2454015C1 (en) | 2010-10-18 | 2010-10-18 | Method for demodulation of frequency-manipulated absolute double-pulse signals used for information transfer via short-wave channel |
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RU2010142535/08A RU2454015C1 (en) | 2010-10-18 | 2010-10-18 | Method for demodulation of frequency-manipulated absolute double-pulse signals used for information transfer via short-wave channel |
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RU2010142535A true RU2010142535A (en) | 2012-04-27 |
RU2454015C1 RU2454015C1 (en) | 2012-06-20 |
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RU2010142535/08A RU2454015C1 (en) | 2010-10-18 | 2010-10-18 | Method for demodulation of frequency-manipulated absolute double-pulse signals used for information transfer via short-wave channel |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2519011C1 (en) * | 2013-02-20 | 2014-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Омский государственный технический университет" | Method of transmitting information over short-wave link using frequency-shift keyed signals |
RU2705357C1 (en) * | 2019-04-11 | 2019-11-07 | Закрытое акционерное общество "Институт телекоммуникаций" | Method of transmitting information over a short-wave communication channel using frequency-shift keyed signals |
RU2752650C1 (en) * | 2020-12-28 | 2021-07-29 | Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет аэрокосмического приборостроения" | Method for transmission of discrete signals based on frequency modulation |
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Publication number | Priority date | Publication date | Assignee | Title |
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RU2099892C1 (en) * | 1995-05-10 | 1997-12-20 | Сибирская государственная академия телекоммуникаций и информатики | Method and device for relative phase modulated signal demodulation |
FR2773933B1 (en) * | 1998-01-21 | 2000-03-03 | Sgs Thomson Microelectronics | DEVICE FOR DEMODULATING A BINARY SIGNAL MODULATED IN PHASE BY CODE PULSES |
RU2168869C1 (en) * | 2000-02-09 | 2001-06-10 | Государственное конструкторское бюро аппаратно-программных систем "Связь" | Method of demodulation of signals with relative phase-shift keying and device for realization |
RU32346U1 (en) * | 2003-02-20 | 2003-09-10 | Федеральное государственное унитарное предприятие "Ростовский-на-Дону научно-исследовательский институт радиосвязи" | Phase Shifted Demodulator |
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Effective date: 20191019 |