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short_time_FT

于 2012-12-01 发布文件大小:24065KB

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实现短时傅里叶变换的功能。分为两种方式：1、matlab自带函数；2、自行编写程序。自行编写的程序效果更加，绘制时频分布图更清晰准确。（附带几篇参考文章）(Short time Fourier transform. Divided into two ways: 1 matlab own function own programming. Write your own program was more plotted frequency distribution more clearly and accurately. (With several reference articles))

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matlabfuliyebianhuan
matlab傅里叶变换的频域卷积定理，这个程序还不错，想要就下吧这样就20个字了(Fourier transform matlab convolution theorem in frequency domain, this process also good, you want to do on the next word on the 20)

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经典的MUSIC算法可对非相干信号实现很好地估计，在相干信源的情况下经典的MUSIC算法失效，无法准确估计出信源波达方位角度。引入空间平滑技术来对相干信号进行预处理,以减弱或消除信号之间的相干性，改进后的MUSIC算法能对相干信号的DOA 实现精确估计。(The classical MUSIC algorithm can achieve a good non-coherent signal is estimated that in the case of coherent sources the classic MUSIC algorithm is disabled, can not accurately estimate the source azimuth angle of arrival. Spatial smoothing technique to the introduction of coherent signals pretreatment to weaken or eliminate the coherence between the signals, the modified MUSIC algorithm for DOA of coherent signals to achieve precise estimates.)

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Matlabjiaoan
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用于脉冲噪声去除的保边缘算法，效果很好，大家可以学习 (Paul edge for impulse noise removal algorithm works well, we can learn)

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short_time_FT

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