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基于MATLAB信号处理工具箱的数字滤波器设计与仿真(MATLAB signal processing toolbox based on the digital filter design and simulation)

说明：  用Matlab图形用户界面实现的计算器功能，简单实用(Matlab graphical user interface with the calculator function, simple and practical)

this program will help you to perform LDA and PCA signal processing tools for classifing

matlab ，记录 麦克风输入的声音，播放保持所记录的声音。(matlab record the sound and play it)

编写了MATLAB程序生产和扩频码进行仿真，仿真程序从发送方完成通道的接收端，得出在不同的扩频码，在不同的信噪比即误码率的图形比较直接序列扩频通信系统原理，改善系统性能的度(Written MATLAB program to produce and direct sequence spread spectrum communication system principle of spreading codes for simulation, emulation program to complete the channel from the sender to the receiver end, draw graphics comparison at different spreading code, the bit error rate under different SNR i.e., the degree of improvement of the system performance)

《Matlab时频分析技术及其应用》随书源代码( Matlab time-frequency analysis technology and its applications, With the book source code)

说明：  电磁测深法原理-朴化荣---一本经典的电磁测深的教材，初学电磁测深专业人员、学生的优秀入门教材，由于一直没有再版很难找。(电磁测深法原理-朴化荣，一本经典的电磁测深的教材，初学电磁测深专业人员、学生的优秀入门教材，由于一直没有再版很难找。 )

说明：  MATLAB程序设计 内容包括： 1 M文件 2 程序控制结构 3 函数文件 4 程序练习 5 程序调试 (MATLAB program design includes: 1 M program structure document 2 document 3 function 4 Exercises 5 program debugging process)

inverter model explain s wid the filer connected in series for sinosodal wave form.

用多重网格法解非线性偏微分方程，假定N=4时为第0层l为输入的层数 r为MGM在在J-1层调用的次数(With multi-grid method for solving nonlinear partial differential equations, assuming N = 4 when the input layer 0 l layers r for MGM in the number of J-1 layer calls)