第二、穿过随机电离层卫星信号二阶统计特性和电离层信道统计特性研究。
Second, the second-order statistical characteristics of satellite signals propagating through the turbulent ionosphere and properties of the ionospheric channel are also studied.
在提高性能的同时,这种方法复杂度并不高,且不需要任何已知的信道统计特性。
The new method stems from the statistic properties of the channel impulse response and requires no prior information about the channel.
由于LS算法不依赖于信道统计特性和较低的计算复杂度,本文最终选用了LS信道估计算法和DFT插值算法。
Because the LS algorithm is independent of channel statistical characteristics and has low complexity, LS channel estimating algorithm and DFT interpolating algorithm are chosen.
由于LS算法不依赖于信道统计特性和较低的计算复杂度,本文最终选用了LS信道估计算法和DFT插值算法。
Because the LS algorithm is independent of channel statistical characteristics and has low complexity, LS channel estimating algorithm and DFT interpolating algorithm are chosen.
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