spectral

解决很多地下水数值模拟问题，只需要修改相关参数就能运用(Groundwater numerical simulation to solve many problems, only a need to amend the relevant parameters will be able to use)

多元曲线分辨工具箱，可以处理色谱联用数据，得到纯光谱曲线和色谱图。(Multivariate curve resolution Toolbox, you can handle the chromatography data, the pure spectral curve and chromatogram.)

只要输入信号的中心频率和带宽，自动生成带通滤波器采样率、信号保护带、采样率误差容限(Just enter the center frequency and bandwidth of the signal, automatically generated bandpass filter sample rate, signal protection zone, the sampling error margin rate)

求系统单位给定阶跃响应的性能指标（超调量，峰值时间，调整时间 .....），其中， y，t表示系统节约相应的函数值与其对应时间,函数返回的是阶跃响应的第一(正向)波峰值b1、 阶跃响应的第二(正向)波峰值b2,阶跃响应的超调量sigma,阶跃响应的衰减比n,阶跃响应的衰减率pusi 阶跃响应的衰减震荡周期T,阶跃响应的振荡频率f.(Demand system units for a given step response performance (overshoot, peak time, adjust the time .....), which, y, t that the system saves the corresponding function value and its corresponding time, the function returns the order Jump to respond to the first (positive) wave peak b1, step response of the second (positive) wave peak b2, step response overshoot sigma, step response of the attenuation ratio of n, the step response of the attenuation rate pusi step response of the decay vibration cycle T, the step response of the oscillation frequency f.)

Using BPSK modulation scheme,in MIMO system, alamouti code & both OSTB code for a rayleigh fading channel . for 2*1, 2*2, for 4*4, for 8*8

说明：  准椭圆函数交叉耦合滤波器耦合系数的提取程序。利用matlab遗传算法和solvopt算法工具包。不懂使用方法可以加我qq13319810(Cross-coupled quasi-elliptic function filter coupling coefficient of extraction procedures. The use of genetic algorithms and matlab toolkit solvopt algorithm)

连续LTI系统的时域分析连续时间系统的单位冲激响应、单位阶跃响应在线性系统分析中的作用、地位及其MATLAB实现(Lti system for the time domain analysis)

This program running in Matlab related to power system transient.

programe to find roots

ofdm 基带传输 信道编码译码 卷积码译码(OFDM baseband transmission channel coding and decoding the convolutional code decoder)