Nonlinear_differential_equation

数学建模matlab回归程序 用于解决回归分析中的算法(Mathematical modeling matlab regression procedures for regression analysis to solve the algorithm)

一个3线8线译码器在matlab中的电路图(3 line 8 line decoder circuit diagram based on matlab)

短时傅里叶变换等各类时频方法的实现以及ISAR成像(Short time Fourier transform and ISAR imaging)

说明：  matlab主成分分析代码，可直接修改参数即可运用于建模(Matlab principal component analysis code)

包括各种频域滤波器：经典频域理想低通滤波器 ，经典频域巴特沃斯低通滤波器 ，经典频域指数低通滤波器， 经典频域理想高通滤波器 ， 经典频域巴特沃斯高通滤波器， 经典频域指数高通滤波器,经典频域带通滤波器 ,经典频域带阻滤波器(Including a variety of frequency domain filter: Classic ideal low-pass filter frequency domain, frequency domain classic Butterworth low-pass filter, the classic low-pass filter frequency domain index, the classic ideal high-pass filter frequency domain, frequency domain Butterworth classic Andean high-pass filter, the classic high-pass filter frequency domain index, the classical frequency domain band-pass filter, band stop filter frequency domain classics)

这是SA改进的模拟退火算法，并用matlab编码实现(This is the improved simulated annealing algorithm SA, and coded using matlab)

利用现代谱估计中的AR 模型求取仿真噪声信号和真实噪声信号的模型参数，然后利用这些参数求得信号的功率谱图，通过功率谱图定性地描述主噪声源和次噪声源。在利用信号功率谱图定性描述噪声源后，进一步地利用曲线相似度和曲线关联度定量的识别主噪声源和次噪声源(Use of modern spectral estimation of AR model to strike a realistic simulation of the noise signal and noise model parameters, and then use these parameters obtained by the signal power spectrum, power spectrum qualitatively described by the main noise source and the second noise source. In the use of qualitative description of the noise signal power spectrum of the source, the further use of the correlation curve and the curve of quantitative similarity identification of the main noise source and the second noise source)

说明：  有限差分声波波动方程正演。主要用于地震勘探正演(Finite difference method of acoustic wave equation forward modeling)

neural networks control of dynamic systems

由MATLAB软件编写的数字信号处理实现示例(Prepared by the MATLAB software, digital signal processing implementation example)