EKF

包括信号系统和系统响应，FFT谱分析，双线性法设计IIR数字滤波器，窗函数法设计FIR数字滤波器，四部分matlab仿真程序，以及必要的说明。(Including the signal system and the system response, FFT spectrum analysis, bilinear Design of IIR digital filters, window function method for the design FIR digital filters, four-part matlab simulation program, and the necessary instructions.)

有关自适应模糊控制的作业代码 注意要在matlab2009a以上的版本进行调试 相关使用在附件中有详细说明(The adaptive fuzzy control operation codeNote that in the above version MATLAB2009A debuggingRelated to the use of a detailed description in the annex)

原信号分解成IMF后，用此脚本来计算此IMF的瞬时频率(After the original signal into IMF, use this script to calculate the instantaneous frequency of the IMF)

将一个整数转换成二维数组，数组每行的次序依次为1,2,3……(Convert an integer into two-dimensional array of each line in the order followed by 1,2,3 ......)

一个简单的锁相环matlab程序，可以很好的完成锁相功能(A simple phase-locked loop matlab program, you can complete a good lock function)

采用split-step method数值求解非线性薛定谔方程(Numerical solution of nonlinear Schrodinger equation by split-step method)

说明：  runge现象的matlab仿真，用于数值分析(phenomenon of runge, simulated via matlab, for mathmatical analysis)

该文针对具有两个相互重叠频率成分的密集频谱 ,分析了两个重叠频率成分在复频域的叠加情况 ,在不增加采样长度的条件下 ,通过向量分解和单频率成分的识别、校正方法 ,推导出其校正公式。(In this paper, with two overlapping frequency components of the dense spectrum of two overlapping frequency components in the frequency domain stacking situation, in terms of not increasing the sample length, through the vector decomposition and single-frequency components of the identification, correction derived the correction formula.)

说明：  RD算法作为SAR处理中最重要的处理算法，在远场近似的条件下，可将二维处理分离为两个一维处理，降低了运算量，成像效果良好。(RD算法作为SAR处理中最重要的处理算法，在远场近似的条件下，可将二维处理分离为两个一维处理，降低了运算量，成像效果良好。 RD algorithm is the most important processing algorithm in processing SAR, in the far field approximation, the two-dimensional separation into two one-dimensional processing, reduces the amount of computation, good imaging effect. )

非常有用，采用DWT变换实现数字水印的嵌入和提取(Very useful, DWT transform was adopted to realize digital watermark embedding and extraction)