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最速下降梯度法matlab程序 最速下降梯度法matlab程序 (Steepest Descent Method )

学会用MATLAB编写程序； 学会一维搜索法； 精确的一维线性搜索法：0.618法； 非精确的一维线性搜索法：goldstein法；(Learn how to use MATLAB programming Society of one-dimensional search method precise linear one-dimensional search method: 0.618 law non-accurate one-dimensional linear search method: goldstein law )

说明：  这个是多带谱语音检测，多带谱不仅具有谱熵的有点，还具有能量分析的有点，所以检测的效果很好！(This is a multi-band spectra of voice activity detection, multi-spectral bands not only has a bit of entropy, also has a bit of energy analysis, so the effect of a very good test!)

基于hht的大地电磁信号资料处理理MATLAB方法实现可直接使用。 (Based on hht magnetotelluric data processing management MATLAB method can be used directly.)

一维曲线的分维计算matlab程序，将一维曲线的y坐标保存为txt，命民为“y.txt”即可得到分维。(One-dimensional curve fractal dimension calculation matlab program)

Training process fo a second order neural network

（1）编程建立Gold序列，仿真Gold序列的波形； （2）仿真Gold序列的自相关和互相关特性。 （3）编程仿真直接扩频通信系统模型，画出扩频前后信号波形及频谱。((1) programming Gold sequence and simulating the waveform of Gold sequence; (2) the autocorrelation and cross correlation characteristics of the simulated Gold sequences. (3) programming direct spread spectrum communication system model, draw the signal spectrum and spectrum before and after spread spectrum.)

说明：  利用最小二乘法对实验数据进行曲线拟合，可得到比较准确的拟合图形以及干涉代码。(The least square method is used to perform curve fitting on the experimental data to obtain a more accurate fitting graph.)

运用Matlab对晶闸管整流逆变进行建模仿真，可以改变导通角，负荷等参数对该电路的性质和相关参数设置进行分析研究(To use Matlab modeling and simulation, thyristor rectifier inverter can change the conduction angle, load parameter settings of the nature and parameters of the circuit analysis)

三维复杂粗糙海面电磁散射建模研究与特性分析(Analysis of complex three-dimensional rough sea surface electromagnetic scattering modeling features)