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1)  Short time Fourier transform
短时傅里叶变换
1.
A Surface EMG signal identification method based on short time fourier transform is presented in this paper.
针对肌电信号的非平稳特性 ,采用短时傅里叶变换方法对表面肌电信号进行分析 ,并通过奇异值分解有效地提取特征矢量进行模式识别 ,能够成功地从掌长肌和肱桡肌采集的两道表面肌电信号中识别展拳、握拳、腕内旋、腕外旋四种运动模式。
2.
This paper designs a sort of spectral analyzer utilizing the concept of software defined radio,and find several motheds to solve the window effect of the short time Fourier transform.
本文利用软件无线电的思想设计完成了一种语图仪,并针对短时傅里叶变换的窗效应,对其进行了改进。
3.
Digital image technology was adopted to extract the characteristics of the Morse signal based on a three-dimensional spectrum formed by a short time Fourier transform.
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。
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2)  short-time Fourier transform
短时傅里叶变换
1.
On window parameter selection of short-time Fourier transform with Gaussian window in detection of LFM signals;
基于LFM信号检测的高斯窗短时傅里叶变换的窗参数选择
2.
The effect of analysis window selecting of short-time Fourier transform to the result of time-frequency analysis spectrum was discussed,and the conclusion that Hanning window has better time-frequency centralizing in analysis was gotten.
利用联合时频分析对CO2焊接过程电信号进行研究,分析了短时傅里叶变换窗函数的选择对谱图的时频集聚性的影响,并选择汉宁窗获得了较好的时频集聚性。
3.
It is well known that the short-time Fourier transform (STFT) is a transformation method used for timefrequency analysis of signals.
众所周知,短时傅里叶变换是信号时频分析的变换方法。
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3)  STFT
短时傅里叶变换
1.
A Novel STFT of Window Duration Increasing Optimization Based on Instantaneous Frequency;
基于瞬时频率的窗宽递增寻优的短时傅里叶变换
2.
Real-time Parameter Estimation of Torpedo Homing Signal Based on STFT and its Application
基于短时傅里叶变换的鱼雷自导信号参数实时估计及应用
3.
Here, based on the research of time domain and frequency domain properties of EGG, the author applied the STFT method to analyse the EGG on time-frequency domain.
把短时傅里叶变换用于体表胃电时-频域分析,结果表明,利用短时傅里叶变换等时-频域分析,可以同时得到体表胃电信号的时域幅度变化和能量分布特征。
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4)  short time Fourier transformation
短时傅里叶变换
1.
The study explores the relationship between frequency spectra based on short time Fourier transformation (STFT) and Wigner_Ville distribution(WVD).
本文应用线性和二次时频表示的方法 ,包括 :线性时频分析方法短时傅里叶变换和二次时频表示魏格纳-维尔分布 ,进行了时变结构模态频率的辨识。
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5)  time-frequency short time Fourier transform
时频短时傅里叶变换
1.
The analysis of time-frequency short time Fourier transform(STFT) based on noncoherent integration can increase the processing gain of the receiver and its capability of intercepting the nonstationary signals effectively,thus improving the detection performance of the system.
数字信道化接收机是一种新型接收机,非相干积累的时频短时傅里叶变换,能有效地增加接收机的处理增益和对非平稳信号的截获能力,从而提高数字信道化接收机的整体检测性能。
6)  discrete short time Fourier transform
离散短时傅里叶变换
1.
According to the characteristics of PCM/FM signal,a new method of software demodulation based on discrete short time Fourier transform(DSTFT) is presented.
根据PCM/FM信号的特点,提出一种基于离散短时傅里叶变换(discrete short time Fourier transform,DSTFT)的软件化解调方法:首先利用DST-FT计算PCM/FM信号的0、1频点的频谱能量,然后通过比较2个频点频谱能量的大小实现信号的判决;详细论述此种解调方法的基本原理和实现过程,提出采用小数形式的频点来提高解调精度;利用C++语言编程实现了该解调方法,并用从实装设备采集的PCM/FM信号对解调软件进行测试。
补充资料：时里白
1.白鱼的别称。太湖白鱼素称鱼中之冠，每年夏至后尤盛，称"时里白"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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