By replacing the traditional wavelength demodulation with optical power detection technique, the demodulating process is simplified and immune to temperature variation.
利用光强差分检测技术取代传统波长解调方法，简化解调过程的同时传感系统免受温变影响。
An automatic tracing centric wavelength demodulation system based on the edge filter which can measure the wavelength of the narrow-band back-reflected spectrum FBG is described.
介绍了一种基于边缘滤波器，可带中心波长自动跟踪，主要应用于海底水声信号的检测的光纤光栅波长解调器。
Occupying certain advantageous features such as simple structure, low cost and the high-speed wavelength demodulation, this system has a broad application in the flow and measurement field.
该系统具有结构简单、低成本和波长解调速度快的优点，在流量计量领域有广阔的应用前景。
As a sensor element, fiber optic and grating transformed the information into reflecting wavelength shift. It also named wavelength demodulation which is immune for light power waving and system loss.
作为传感元件，光纤光栅将被测的信息转化为其反射波长的移动，即波长解调，因此不受到光功率波动和系统损耗的影响。
At present, due to difficulties caused by wavelength coding signal demodulation, system costs are too high in general areas to accept.
目前，由于波长编码信号解调困难而造成系统成本过高，在普通领域难以接受。
The demodulation of wavelength shift is the key technology in the application of fiber grating sensors.
光纤光栅波长位移的解调是实现传感系统的关键技术。
Dynamic strain caused Bragg wavelength shift demodulation device is summarized and the method to realize the very high demodulation resolution of Bragg wavelength shift is given.
总结了动态应力产生布拉格波长偏移的解调装置并提出用其实现微尺度计量所需要的高分辨力的布拉格波长解调方法。
A novel method of edge filter demodulation for fiber Bragg grating that use wavelength tunable laser was proposed. Real-time monitoring of the multiple points' dynamic strain could be achieved.
提出了利用波长可调谐激光器对光纤光栅进行边沿滤波解调的新方法，该方法可实现多个测点动态应变的实时监测。
The wavelength-matched demodulation based on maximum correlation extremum judgment of photodetector output signal are only available for alike reflective spectra.
指出基于最大相关原理（光电探测器输出信号极值判断法）的匹配解调只适用于两个光纤光栅具有相同的反射谱型。
The wavelength-matched demodulation based on maximum correlation, extremum judgment of photodetector output signal, are only available for alike reflective spectra.
指出基于最大相关原理（光电探测器输出信号极值判断法）的匹配解调只适用于两个光纤光栅具有相同的反射谱型。
The wavelength-matched demodulation based on maximum correlation, extremum judgment of photodetector output signal, are only available for alike reflective spectra.
指出基于最大相关原理（光电探测器输出信号极值判断法）的匹配解调只适用于两个光纤光栅具有相同的反射谱型。
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