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It compensate the frequency error and phase error caused in channel. It is the good method of improvement of transport veracity and lower fault code rate.
它用来对于信道传输中产生的频率偏移和相位偏移进行补偿，是提高传输的准确性和低误码率的有效的手段。
By investigating the code space in frequency domain and the data vector space of the multipath signals, the noise-subspace-based approach is used to perform blind channel estimation.
通过研究多径信号频域码空间和数据矢量空间，采用噪声子空间技术进行盲信道估计。
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