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puguji

于 2014-11-21 发布 文件大小:5KB
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代码说明:

  进行功率谱估计的许多方法的matlab程序,可以运行的(Many power spectrum estimation method matlab program, you can run)

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  • shuxuejianmoGongJiaoLuXian
    数学建模公交线路问题 该程序利用迪杰斯特拉算法经行求解,使用该代码前最好先阅读Readme.doc(Bus lines mathematical modeling problem using Dijkstra algorithm for the program through the line solution, a good idea to use the code to read Readme.doc)
    2011-08-22 16:24:27下载
    积分:1
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    2013-11-04 15:00:38下载
    积分:1
  • disanzhang
    功率谱估计和信号频率估计方法 周期图法 BT法(Power spectrum estimation and the signal frequency estimation methods periodogram )
    2013-12-08 21:46:31下载
    积分:1
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    time-invariant degradation models and stationary signals and noise, the classical Fourier domain Wiener filter, which can be implemented in O(N logN) time, gives the minimum mean-square-error estimate of the original undistorted signal. For time-varying degradations and nonstationary processes, however, the optimal linear estimate requires O(N2) time for implementation. We consider filtering in fractional Fourier domains, which enables significant reduction of the error compared with ordinary Fourier domain filtering for certain types of degradation and noise (especially of chirped nature), while requiring only O(N logN) implementation time. Thus, improved performance is achieved at no additional cost. Expressions for the optimal filter functions in fractional domains are derived, and several illustrative examples are given in which significant reduction of the error (by a factor of 50) is obtained.
    2015-02-21 10:15:13下载
    积分:1
  • matlab_MASK_4
    通信原理上机实验-基于Matlab 的数字基带和频带调制系统-4ASK调制解调系统MATLAB源程序(On communication theory machine experiment- Matlab-based digital baseband and band modulation system-4ASK MATLAB source code modulation and demodulation system)
    2014-01-02 17:36:33下载
    积分:1
  • WAVELET_WORK
    THIS MATLAB CODE REDUCE THE SPECKLE NOISE IN SAR IMAGE, IT USE WAVELET FILTER THEN USED CASCADE THREE FILTERS IN TIME DOMAIN (HYBRID TIME AND FREQUENCY DOMAIN). THIS CODE NEED SOME MODIFICATIONS SINCE THERE ARE SOME PROBLEMS LIKE BY COMPUTE PSNR AND THE WAVELET HAS SOME ERRORS IN COMPUTE THE DE-NOISING
    2010-09-10 14:45:57下载
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    2008-03-11 21:58:46下载
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    2009-05-24 11:46:04下载
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    多边形网格相交区域搜索,MATLAB源程序,含有若干示例(Polygon mesh intersection area search, MATLAB source, contains a number of examples)
    2013-11-11 09:56:41下载
    积分:1
  • buduichen
    计算米散射参数,包括消光系数,散射系数,不对称因子(Calculation of rice scattering parameters)
    2017-12-19 20:56:54下载
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