RU2011107588A - METHOD OF PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION - Google Patents
METHOD OF PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2011107588A RU2011107588A RU2011107588/08A RU2011107588A RU2011107588A RU 2011107588 A RU2011107588 A RU 2011107588A RU 2011107588/08 A RU2011107588/08 A RU 2011107588/08A RU 2011107588 A RU2011107588 A RU 2011107588A RU 2011107588 A RU2011107588 A RU 2011107588A
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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, выполненном из реактивного четырехполюсника, двухэлектродного 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 двухэлектродного 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 двухэлектродный нелинейный элемент подключают к источнику информационного низкочастотного сигнала, фазу высокочастотного сигнала изменяют по закону изменения амплитуды информационного низкочастотного сигнала, отличающийся тем, что между выходом четырехполюсника и фильтром нижних частот включают высокочастотную нагрузку в поперечную цепь, двухэлектродный нелинейный элемент включают между источником высокочастотных сигналов и входом четырехполюсником в поперечную цепь, в режиме модуляции формируют квазилинейную фазовую модуляционную характеристику и модулированный по фазе выс� 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 two-electrode 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 high-frequency signal to the right or left slope of the frequency response of the phase modulation and demodulation device, using a vuhelectrode nonlinear element destroys the spectrum of the amplitude-phase-modulated signal into high-frequency and low-frequency components, the information low-frequency signal is fed 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 phase change of the input high-frequency signal, in modulation mode, a two-electrode nonlinear element is connected to the information low-frequency signal phase, the phase of the high-frequency signal is changed according to the law of the amplitude of the information low-frequency signal, characterized in that between the output of the four-terminal and the low-pass filter, a high-frequency load is included in the transverse circuit, a two-electrode nonlinear element is connected between the source of high-frequency signals and the input of the four-terminal in transverse circuit, in the modulation mode, a quasilinear phase modulation characteristic and phase modulated high
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RU2011107588/08A RU2011107588A (en) | 2011-02-28 | 2011-02-28 | METHOD OF PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION |
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RU2011107588/08A RU2011107588A (en) | 2011-02-28 | 2011-02-28 | METHOD OF PHASE MODULATION AND DEMODULATION OF HIGH FREQUENCY SIGNALS AND DEVICE FOR ITS IMPLEMENTATION |
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RU2011107588A true RU2011107588A (en) | 2012-09-10 |
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2011
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