通常认为均衡特性和频率衰减特性的差异是造成这种现象的主要原因，很难抑制。
Generally speaking, it is caused by the difference between the equilibrium and the frequency decay, which is difficult to be controlled.
双工滤波器、均衡器、衰减器采用插件式设计。
Duplex filters equalizer and attenuator all adopted plug-in design.
利用迭代均衡算法实现循环纠错，即使在高速移动的环境中也能抵抗快速衰减。
It takes iterative detection and decoding algorithm to realize circulation correct error and can resist and decrease fast fading in the high-speed mobile environment.
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