... 不连续傅里叶变换 discrete fourier transform 短时间傅里叶变换 short-time fourier transform 多维傅里叶变换 multidimensional fourier trans form ...
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Short Time Fourier Transform 短时傅立叶变换 ; 叶变换 ; 了短时傅立叶变换 ; 短时fourier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
adaptive short-time Fourier transform 自适应STFT
modified short-time fourier transform 改进的加窗傅氏变换
short time Fourier transform spectrogram 短时傅里叶变换谱
time-frequency short time Fourier transform 时频短时傅里叶变换
short time discrete fourier transform 离散短时傅里叶变换
short-time fractional Fourier transform 短时分数阶傅里叶变换
In this paper, two methods about power quality disturbance identification and detection are proposed: the one based on dq conversion and wavelet transform, the other one based on short-time fourier transform and singular value decomposition.
本文提出了两种电能质量扰动识别与检测方法：1.基于dq变换和小波变换的方法；2.基于短时傅里叶变换和矩阵奇异值分解的方法。
参考来源 - 电能质量扰动检测与识别方法研究In the end, signals are processed by modern data signal processing technique based on computer platform, including short-time Fourier transform, wavelet analysis etc.
最后基于工控机平台对信号进行了现代数字信号处理,包括短时傅里叶变换,小波分析等。
参考来源 - 弓网振动在线检测及信号分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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It proved that using the Waterfall based on Short-Time Fourier Transform to analyze non-balanced signal has many advantages such as.
实践证明：用基于短时傅里叶变换的瀑布图来分析非平稳信号，具有分辨率高、特征提取结果更为精确的特点。
After denoising, it analyzes PCG signal by Short-Time Fourier Transform (STFT). Different window-width is corresponding to different time-frequency resolution.
对去噪后的心音信号，本文进行了短时傅立叶变换，不同长度的时间窗对应了不用的时频分辨率。
Stratigraphic absorption compensation based on short-time Fourier transform has been developed by analysing the time-frequency distribution characteristics of seismic reflection signals.
本文在分析地震反射波勘探信号时频分布特性的基础上提出了基于短时傅里叶变换的地层吸收补偿方法。
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