fft spectrum analysis fft频谱分析 ; fft谱分析
FFT spectrum line FFT谱线
corrected fft spectrum 频谱校正算法
fft spectrum analysis is made 进行频谱分析
All-phase FFT spectrum analysis 全相位FFT频谱分析
all phase FFT spectrum analysis 全相位谱分析
FFT power spectrum FFT功率谱
FFT amplitude spectrum FFT幅值谱
In this paper time series spectra, both linear spectrum (FFT spectrum) and nonlinear spectrum (ar spectrum) are introduced briefly.
本文介绍了时间序列分析的线性谱(快速傅里叶变换fft谱)和非线性谱(自回归ar谱)。
The modal analysis and parametric identification are carried out. The ARMA mode and FFT spectrum analysis are used for these objects.
最后，用ARMA时序模型及FFT谱分析对此雷达进行了实验分析。
The technologies including nonlinear compensation, scales conversion, algorithms of signal preprocessing, FFT spectrum analyzing is emphasized.
着重阐述了数据的非线性补偿技术、标度变换技术、信号预处理的各种算法、FFT谱分析技术。
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