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说明：  此程序实现求任一信号的幅频响应，需知的参数有待求信号及其采样率。(The programme realize to get amplitude frequency response.)

This simple Matlab function simulates a innovative algorithm for narrow band interference mitigation for wireless communications, esp for satellite comm. The algorithm looks similar to LMS, but error is non-linearly transformed. It works well and a hardware demonstration was successfully fulfilled on Altera FPGA development platform. More details on algorithm refers to "Nonlinear Techniques for Interference Suppression in Spread Spectrum Systems" by R. Vijayan.

实现扩频系统。信源产生，扩频，基带成型后加噪声，解扩，低通。判决(Achieve spread spectrum system. Source production, spreading, baseband shaping, add noise, despreading, low-pass. Judgment)

Taking a Jacobian Matrix of the system defined by equations (3) to (6) and evaluating the matrix at the equilibrium, at which all state variables

认知无线电中最经典的文献 多看看吧 (Cognition radio most classical literature )

说明：  运用主成分分析法和K均值聚类法来进行SAR影像变化检测(SAR image change detection using principal component analysis and K-means clustering)

说明：  matlab的标定工具箱，可以很方便的解决很多问题！很好用的(matlab calibration toolbox, it is convenient to solve many problems! Good used)

利用顺序消元法和列主元消元法，分别解线性方程组。(Using the order of elimination method and main-element elimination method for solving linear equations, respectively.)

刚写完的VSNLMS程序，运行即可得结果。/可直接该参数 (VSNLMS just finish the procedure, it can run results./The parameters can be directly)

implement the Power Al- gorithm for the computation of themaximumeigenvalue of Aj . Write a function Power_Algorithm which takes as input A q (the initial approximation of the eigenvector) and scale (it was given as  in the lectures).