香农指出，噪声限制了信息在保持无差错的情况下沿通信信道传递的速度。
Shannon showed that noise sets a limit on the rate at which information can pass along communication channels while remaining error-free.
信道编码是扩频通信的关键技术之一，是解决信号在信道中无差错传输的技术。
Channel Encoding technology is one of the key technology in SSC. It aims to realize the non-error transmission of the signal.
以高斯噪声信道和电力线信道为例，用本仿真系统分别计算出了无差错控制编码和有差错控制编码情况下误码率与信噪比的关系。
In Gaussian noise channel and power line channel, this emulational system calculate out relationship between bit error rates and signal to noise ratios.
以高斯噪声信道和电力线信道为例，用本仿真系统分别计算出了无差错控制编码和有差错控制编码情况下误码率与信噪比的关系。
In Gaussian noise channel and power line channel, this emulational system calculate out relationship between bit error rates and signal to noise ratios.
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