Considering the uncertainty of frequency excursion, the scheme of signal capturing of correlate searching, FFT capturing is bring forward.
考虑到短波信道频率偏移的不确定性提出了相关搜索、FFT捕获的信号捕获方案。
Aiming at this problem, an effective method based on FFT and power spectral density computing has been put forward.
针对此问题，笔者提出了一种基于快速傅立叶变换和功率谱密度计算的解决方法。
On the basis of traditional serial FFT algorithms, a parallel FFT algorithm based on multi-threading is put forward.
在传统的串行FFT算法基础上提出了一种基于多线程技术的并行FFT算法。
So, the windows and interpolated FFT is developed, and the harmonic expurgation according to amplitude is put forward for high order harmonic parameters analysis in this paper.
作者采用加窗插值FFT，并提出逐幅谐波消去法，以便能精确地分析高次谐波。
According to the characteristics of the seismic data, some data processing algorithms based on FFT and wavelet for denoising, filtering and data compression is put forward.
针对地震波信号白勺特点，提出了基于FFT和小波分析白勺包括去噪、滤波和数据压缩白勺数字信号处理算法。
Finally, the idea of parallel processing for LS-FFT is put forward, and is verified with the computer simulations.
最后，提出了LS-FFT算法的并行处理想法，计算机模拟结果也证实了该想法的正确。
Finally, the idea of parallel processing for LS-FFT is put forward, and is verified with the computer simulations.
最后，提出了LS-FFT算法的并行处理想法，计算机模拟结果也证实了该想法的正确。
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