Two simulation algorithms of realization channel characteristic are analyzed emphatically: shaping of slow fading with correlation and generation of frequency-selected multipath fading.
重点分析了实现信道特性仿真的两种算法：慢衰落的相关性整形和频率选择性多径衰落。
The simulation results indicate under multipath channel for low SNR, the new algorithm has lower probability of failure than the conventional algorithm by adopting proper training symbols.
仿真结果表明，在低信噪比的多径信道下，该算法可通过选择合适的训练符号，使错检概率低于常规算法。
The algorithm of residual frequency estimation is detailed, and simulation results verify the proposal algorithm with good performances in both AWGN and multipath fading channel.
最后着重分析了残留频偏的估计算法，分别在AWGN信道下和多径衰落信道下仿真，结果表明所提算法均有良好的性能。
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