Frequency auto-tracking adaptive frequency estimator (FATAFE) is brought forward.
提出了频点自跟踪自适应频率估计器。
With frequency bias increasing, estimated bias and variance of adaptive frequency estimator (AFE) enlarge.
随着频偏的增大，自适应频率估计的偏差和方差也随之增大。
Simulations show that the performance of the frequency estimator based on Weighting Function provides an excellent estimate of frequency offset in wireless systems.
最后通过计算机的仿真验证分析，可以看到在无线系统中这种算法确实具有良好的性能。
Then, the phase estimator can further determine the phase of frequency response of OFDM channel.
此后，相位估计机可以进一步对OFDM信道的相频响应进行估计。
The test result shows that the estimator can satisfy the engineering requirement of frequency distinguishability and amplitude stability.
测试结果表明：估值器的频率分辨率和幅值稳定性较高，能满足工程计算的要求。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。
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