phase demodulation

An important reformation to the phase demodulation system for specific environment was introduced.

针对特定的环境，对鉴相系统作了重要改进；

The shot noise and thermal noise with homodyne demodulation technique is given in this article. And phase noise induced with different time delay is also analyzed.

给出了采用零差解调技术时干涉系统的散粒噪声和热噪声，并且分析了在不同时间延迟情况下的相位噪声。

The principle of the transformer phase measurement by the improved I-Q demodulation algorithm is discussed. The flow chart to process signals and the error in measurement are analyzed. The emulation research with Matlab is carried out.

讨论了利用改进的I-Q解调法进行变压器相位检测的原理，对实际信号处理流程和测量误差进行了分析，并采用Matlab进行了仿真研究。

The system is based on Michelson interferometer. It uses a fiber laser with narrow linewidth as light source, and adopts homodyne demodulation with phase generated carrier scheme to restore signal.

该系统基于迈克尔逊干涉仪结构，以窄线宽光纤激光器为光源，采用相位载波零差解调方案实现信号的还原。

Conventional Doppler vibration measurement methods generally involved complicated frequency or phase demodulation system.

在传统的激光多普勒测振方法中，频移信号的检测通常需要具有比较复杂的频率或相位解调系统。

Relative phase demodulation technique in frequency domain in projected grating phase method

投影栅相位法三维检测的频域相对解相技术

A novel phase demodulation technique in frequency domain based on wavelet transform is introduced.

提出一种基于小波变换的频域解相技术.

A Novel Approach for Phase Demodulation from a Single Fringe Pattern

一种新的单幅条纹图的相位解调方法

Study on Phase Demodulation Technique Based on Wavelet Transform

基于小波变换的解相技术研究

Homodyne demodulation is analyzed deeply, which can detect the phase change and compensate the interference.

其中，重点分析了有源零差检测技术在信号处理电路中的应用，介绍了该技术实现相位检测和误差补偿的全过程，为系统的电路设计提供了理论依据。

Phase Demodulation from a Single Fringe Pattern Based on Iteration Algorithm

迭代估计法单幅条纹图的相位解调

Application of Continuous Phase Modulation and Demodulation in the High Speed Frequency-hopping System

连续相位调制及其解调在高速跳频系统中的应用

A phase demodulation technique in frequency domain based on Wavelet transform is investigated.

研究了小波变换在频域解相技术中的应用。