...限白噪声（band-limited white niose）、多径瑞利衰落信道（Rayleigh fading channel）、莱斯衰落信道（Rician fading channel）进行仿真分析。
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分析了莱斯衰落信道中FSK信号的非相干接收机误码率。
The BERs of a noncoherent receiver for FSK signal in Rician fading channels is given.
典型的室内传播信道为莱斯衰落信道，可将其分解为LOS传播信道和散射信道。
Typical indoor wireless channel is Ricean fading, and can be decomposed into the sum of an LOS propagation channel and a scattering channel.
针对低莱斯因子信道中衰落和码间干扰的影响，提出了带内三重频率分集接收实现方式，给出了采用带内三重频率分集的调制器和解调器的原理框图。
For the influence of fading and ISI on low Rice factor channel, the system adopting diversity technology is presented, and the schematic diagram of the modem adopting diversity technology is given.
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