RU2011107356A - METHOD FOR PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2011107356A RU2011107356A RU2011107356/08A RU2011107356A RU2011107356A RU 2011107356 A RU2011107356 A RU 2011107356A RU 2011107356/08 A RU2011107356/08 A RU 2011107356/08A RU 2011107356 A RU2011107356 A RU 2011107356A RU 2011107356 A RU2011107356 A RU 2011107356A
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Abstract
1. Способ фазовой модуляции и демодуляции высокочастотных сигналов, состоящий во взаимодействии высокочастотных и низкочастотных сигналов с устройством фазовой модуляции и демодуляции, выполненным из реактивного четырехполюсника, нелинейного элемента и низкочастотной избирательной нагрузки, в режиме демодуляции высокочастотный сигнал преобразовывают в амплитудно-фазомодулированный сигнал путем подачи высокочастотного сигнала на правый или на левый склон АЧХ устройства фазовой модуляции и демодуляции, с помощью нелинейного элемента разрушают спектр амплитудно-фазомодулированного сигнала на высокочастотные и низкочастотные составляющие, информационный низкочастотный сигнал подают на низкочастотную избирательную нагрузку в виде дифференцирующей или интегрирующей цепи соответственно, с помощью фильтра нижних частот выделяют информационный низкочастотный сигнал, амплитуда которого изменяется по закону изменения фазы входного высокочастотного сигнала, в режиме модуляции нелинейный элемент подключают к источнику информационного низкочастотного сигнала, фазу высокочастотного сигнала изменяют по закону изменения амплитуды информационного низкочастотного сигнала, отличающийся тем, что в качестве нелинейного элемента используют трехэлектродный нелинейный элемент и включают его между источником высокочастотных сигналов и входом четырехполюсника по схеме с общим одним из трех электродов, между выходом четырехполюсника и фильтром нижних частот включают высокочастотную нагрузку в поперечную цепь, в режиме модуляции формируют квазилинейную фазовую модуляционную характеристику и модулир� 1. The method of phase modulation and demodulation of high-frequency signals, consisting in the interaction of high-frequency and low-frequency signals with a phase modulation and demodulation device made of a reactive four-terminal device, a nonlinear element and a low-frequency selective load, in the demodulation mode, the high-frequency signal is converted into an amplitude-phase modulated signal by applying a high-frequency signal to the right or left slope of the frequency response of the phase modulation and demodulation device, using a nonlinear This destroys the spectrum of the amplitude-phase-modulated signal into high-frequency and low-frequency components, the information low-frequency signal is applied to the low-frequency selective load in the form of a differentiating or integrating circuit, respectively, using the low-pass filter, the information low-frequency signal is isolated, the amplitude of which changes according to the law of the phase of the input high-frequency signal, in modulation mode, the nonlinear element is connected to the source of the information low-frequency signal, fa for the high-frequency signal, the amplitude of the information low-frequency signal is varied according to the law, characterized in that a three-electrode non-linear element is used as a non-linear element and it is switched on between the high-frequency signal source and the input of the four-terminal network according to a circuit with one of the three electrodes in common, between the output of the four-terminal and low-pass filter include a high-frequency load in the transverse circuit, in the modulation mode form a quasilinear phase modulation characteristic and modulator
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RU2011107356/08A RU2011107356A (en) | 2011-02-25 | 2011-02-25 | METHOD FOR PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION |
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RU2011107356/08A RU2011107356A (en) | 2011-02-25 | 2011-02-25 | METHOD FOR PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION |
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RU2011107356A true RU2011107356A (en) | 2012-08-27 |
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RU2011107356/08A RU2011107356A (en) | 2011-02-25 | 2011-02-25 | METHOD FOR PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION |
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- 2011-02-25 RU RU2011107356/08A patent/RU2011107356A/en not_active Application Discontinuation
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