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jiachuang
因为傅立叶变换对应的是无限信号,信号经过分帧后变成有限信号,分帧的信号再进行傅立叶变换后,高频部分将有 泄露 ,所以要加窗.
窗函数的拼谱都是在某高频部分截止,所以每帧信号加窗后的傅立叶变化,频谱基本 泄露 (Because Fourier transform corresponding is infinite signals, signals after framing become limited, framing signal again after Fourier transform, the high frequency part will have leaked , so to add window.
Window function spell spectrum are in a high frequency part of the globe, so each frame and window after Fourier transform, signal spectrum basic leak )
- 2015-03-30 12:16:28下载
- 积分:1
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PCA
PCA主元分析法求主元个数,Q和T2的源程序(PCA principal component analysis method for the number of main elements, Q and T2 of the source)
- 2021-01-29 19:38:34下载
- 积分:1
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DZJSZ
调制的代码,包含FSK,ASK等多种调制方式。(Modulation code, including FSK, ASK modulation, etc..)
- 2007-08-19 14:38:29下载
- 积分:1
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MATLAB
说明: 学习matlab的指令大全。。。里面包括了所以的matalb的指令,学习matlab简直是易如反掌了,(Learning matlab command Daquan. . . So the matalb which includes instruction, learning matlab is like a walk, and)
- 2010-04-26 11:58:33下载
- 积分:1
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MATLAB7.X
MATLAB7.X混合编程》源程序.rar适合初学者很好的(MATLAB7.X hybrid programming " source. Rar good for beginners)
- 2011-05-16 12:56:51下载
- 积分:1
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optic-flow
一个matlab程序 从一个avi视频中读取两帧画面进行光流计算 分别用hs算法 lk算法 和块匹配法(A matlab program to read from a two avi video screens were used for optical flow algorithm lk hs block matching algorithm and)
- 2011-10-02 20:58:43下载
- 积分:1
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vector
基于 Simulink仿真的步进电机闭环控制系统分析分析转速输出曲线,提出了加入模糊速
度前馈控制环的系统改进方案 ,系统稳定性得到较大提 高。
(
Based on the Simulink closed loop stepper motor speed control system analysis output curve analysis, proposed adding fuzzy speed
Former feedforward control loop system improvement program, system stability is greatly improved.)
- 2014-05-08 16:05:31下载
- 积分:1
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matlabfunctiontableused
matlab常用函数表有一般函数的应用及说明(matlab function table used for general functions of the application and instructions)
- 2010-05-16 09:19:07下载
- 积分:1
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Rayleigh
移动通信系统中,Rayleigh衰落信道的matlab仿真(Mobile communication systems, Rayleigh fading channel matlab simulation)
- 2013-11-01 15:20:03下载
- 积分:1
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chengxu
简正波matlab程序代码,供大家学习交流(Normal wave matlab code for all to learn from the exchange of)
- 2010-03-03 22:10:02下载
- 积分:1