Based on the detailed analysis of the channel impulse response (CIR) leakage in the practical OFDM systems, a sub-optimal time domain channel estimation algorithm is proposed.

基于对实际系统中信道冲激响应(CIR)泄漏问题的详细分析，提出了一种次优的时域信道估计算法。

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The system simulation and practical physical simulation test show, that the time response of the digital control system is better than that of hydro pneumatic control system.

系统仿真和半物理模拟试验表明，数字控制系统的时间响应，在相同干扰情况下，优于气动液压式控制系统。

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