It contains four main modules: signal producing and simulating, FFT, digital filter and basic mathematical operation.
可分为四个主模块：信号来源模块、滤波处理模块、FFT模块和序列基础运算模块。
The FFT is a match filter for sinusoid signal, and the band width of the match filter will decrease with increase in integrated time .
FFT对于正弦信号而言是匹配滤波器，随着积累时间的增加匹配滤波器的带宽会随之减少。
Finaly tested thrust data processing, data smooth, FFT frequency analysis and compensated filter were accomplished.
最后对实测推力数据进行分析处理，即数据平滑、FFT频域分析和补偿滤波。
It is considered completely in theory why the NBI method based on filter Banks can overcome the disadvantages of FFT method, and the adaptive subband merging is presented.
从理论上详细分析了基于滤波器组的窄带干扰抑制技术能够克服基于FFT频域均衡缺点的主要原因，并在此基础上提出了基于自适应子带合并的算法。
It is considered completely in theory why the NBI method based on filter Banks can overcome the disadvantages of FFT method, and the adaptive subband merging is presented.
从理论上详细分析了基于滤波器组的窄带干扰抑制技术能够克服基于FFT频域均衡缺点的主要原因，并在此基础上提出了基于自适应子带合并的算法。
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