With the equalizing filter made by long period grating(LPG), we design the flat gain spectra of EDFA.
采用长周期光纤光栅均衡滤波器，设计出了光纤长周期光栅（LPG）均衡光纤宽带放大器，并进行了模拟计算。
It is Consisted of modulation circuits, electrical optical converting, photodetector, equalizing amplifier and filter etc.
其中包括信号的调制电路、电光变换、光检测器、均衡放大器和滤波器等。
The emphasis is laid on the principles of LMS transversal filter, decision feedback equalizer and blind equalizer. Different equalizing schemes and their performance used in HDTV are discussed.
着重介绍采用最小均方算法的横向滤波器、判决反馈均衡器及盲均衡器，讨论了HDTV中采用的不同均衡方案及其均衡性能。
Therefore, in order to pick more conveniently, we need filter for equalizing wavelength.
因此，为了有利于层位对比，需要进行等波长滤波。
Therefore, in order to pick more conveniently, we need filter for equalizing wavelength.
因此，为了有利于层位对比，需要进行等波长滤波。
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