pingjun

说明：  matlab 非线性回归算法 是对现有数据系列进行参数拟合的程序(Matlab nonlinear regression algorithm to existing data series parameter fitting procedure)

根据伪随机序列理论，由混合同余法产生均匀分布的随机数，进而根据中心极限定理来产生高斯噪声。 分析所产生的均匀分布和高斯分布随机信号的均值、方差、自相关等数字特征，估计其概率密度函数并进行分析，估计其功率谱密度并进行分析。说明该高斯噪声是否符合白噪声特性。 对该高斯噪声进行FIR低通滤波，估计输出低通型限带白噪声的功率谱、相关时间等，并结合白噪声通过线性系统相关理论来进行分析。 (According to the theory of pseudo-random sequence, a uniformly distributed random numbers by mixed congruential method to generate Gaussian noise, and then according to the central limit theorem. Produce a uniform distribution of the analysis and the mean of the Gaussian distribution random signals, variance, since the digital characteristics of the correlation, the probability density function is estimated and analyzed, it is estimated that its power spectral density, and analyzed. The Gaussian noise is in line with the characteristics of white noise. FIR low pass filter of the Gaussian noise, the estimated output of low-pass type band-limited white noise power spectrum, time, etc., combined with the white noise to be analyzed by linear system theory.)

利用傅里叶变换的方法，求含有噪声的两个序列的互相关函数(a method of getting cross correlation function)

说明：  差分维数计算源代码，大家一定用得到！！！(Differential dimension calculation source code, we must use to get! ! !)

产生供选择的16qam 64qamOFDM信号(Generating a signal for the selected 16qam 64qamOFDM)

正弦波的PCM编码以及自己录制的语音信号的PCM编码(PCM encoded sine wave PCM encoding and recording their own voice signals)

Matlab编程实现FFT变换及频谱分析的程序代码（适合初学者加强理解）。（1)用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图；(2)进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选；(3)做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱；(4)用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图。(Matlab codes for FFT Understanding which contains sine wave,rectangular wave and the reletaed frequency spectrum figure about MSE,Log,IFFT and so on.)

说明：  MATLAB进行有限元分析时应用该用限元工具箱，很好用的(MATLAB finite element analysis application of the Limited yuan toolbox, with the good)

本程序采用matlab编程，通过设计训练一个人工神经网络来达到其对一个4传感器实时检测输出结果融合判断的模拟，文中涉及人工圣经网络和多传感器融合两们学科的基本知识。(the procedures used Matlab programming, through the design of a training artificial neural network to achieve its right to a four-detection sensor fusion output judgment simulation , the text involving artificial Bible network and multi-sensor fusion of the two disciplines have basic knowledge.)

求解曲线或者光谱等等的峰值，matlab完整程序。(Solving the curve or spectral peak Matlab complete program.)