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time-frequency-analysis

于 2021-04-06 发布文件大小:11KB

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代码说明：

说明： spwvd时频分析的MATLAB程序，包括源代码和求解SPWVD分布的M文件(SPWVD time-frequency analysis )

文件列表：

空间时频分布
............\GetSTFD.m,2090,2005-11-17
............\reverse.m,536,1999-10-03
............\tfrbj.m,3594,2005-11-28
............\tfrcw.m,4021,2005-11-28
............\tfrpwv.M,2782,2005-11-16
............\tfrspwv.m,4279,2005-11-17
............\tfrwv.M,2242,2005-11-14
............\window.m,5099,2003-07-28

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使用C++语言编写的FastICA算法，并附带有Matrix类。(Use C++ language FastICA algorithm, together with the Matrix class.)

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此函数用于产生脉冲超宽带系统的训练序列的波形。输出参数有三个：bits--发送的数据,stx--发送的信号,ref--参考信号发送端调制方式为TH-PAM(The emerging ultra-wideband (UWB) system offers a great potential for high data rate wireless multimedia applications of the home entertainment and industry, as well as for low data rate sensor networks involving low power devices~cite{paragraph1}. One of the most acute challenges in realizing these potentials of the UWB systems is the timing acquisition. Timing errors as small as fractions of a nanosecond could seriously degrade the system performance~cite{paragraph21}. The difficulty in UWB synchronization arises from UWB signals being the ultrashort low-duty-cycle pulses operating at very low power density.)

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DiscreteTFDs is a time-frequency analysis package.

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ieee14、33、59算例的潮流计算，适合电力系统学习(ieee14, 33,59 flow calculation)

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以MATLAB软件为工具，在GUI图形用户界面下针对不同特点的语音信号进行八种不同模式的滤波处理的语音信号处理系统，涉及基于巴特沃思滤波器的IIR滤波器和汉明窗设计的FIR滤波器，能够实现语音文件的打开及自定义路径的存储功能，同时可以实现语音信号加噪和音频倒放功能。(The source code, by means of MATLAB, under the Graphical User Interface, achieves a kind of speech signal processing system with eight different modes of speech signal filters working according to different characteristics of speech signal. The system involves IIR filter based on Butterworth analog filter and FIR filter based on Hamming Window, is able to open and save audio files in the user-defined place and realizes functions of noise addition and audio back-play.)

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time-frequency-analysis

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