Discrete Time Fourier Transform 离散时间傅里叶变换 ; 离散时域傅立叶变换 ; 非周期性离散信号离散时域傅立叶变换
Short Time Fourier Transform 短时傅立叶变换 ; 短时fourier变换
Continuous-time Fourier transform 连续时间傅立叶变换
The Discrete-Time Fourier Transform 离散时间傅里叶变换
The Continuous-Time Fourier Transform 连续时间傅里叶变换
discrete short time Fourier transform 离散短时傅里叶变换 ; 再利用离散短时傅里叶变换 ; 离散短时傅氏变换
real time fourier transform 实时傅里叶变换
short-time fourier transform 短时间傅里叶变换
DTFT Discrete Time Fourier Transform 离散时间傅立叶变换
First of all, LFM signal model is introduced, and then short-time Fourier transform is studied.
文章首先介绍了线性调频信号模型，然后概述了基于短时傅立叶变换的参数估计方法。
A Surface EMG signal identification method based on short time Fourier transform is presented in this paper.
基于短时傅里叶变换形成的三维谱图，采用数字图像处理的方法提取信号的特征。
Results of analysing Doppler signals simulated using this method with the short time Fourier transform show agreement with the theoretical prediction.
利用短时傅里叶变换分析以这种方法合成的模拟多普勒信号，实验的结果和理论基本吻合。
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