possion

seismic data code for seismic data processing

在自动控制系统的过程中，DMRAS稳定方程 持续时间 稳定时间 动态响应(In the process of automatic control system, DMRAS stability equation dynamic response settling time duration)

模糊PID控制器优化函数的文章，很不错的，很有参考价值，是英文版的可以作为参考资料。(Fuzzy PID controller optimization function article, very good, good reference is the English version can be used as reference.)

应用此资料可以了解信号与系统的理论知识，为以后用matlab编程打下基础(Apply this information to understand the theory of signals and systems knowledge, to lay the foundation for future programming with matlab)

CDMA Simulation Using MATLAB This program models a simple implementation of CDMA technology. It considers multiple bit data streams sent by any number of senders across a common channel. Each sender uses a unique code word, given by the Walsh set, to encode its data, send it across the channel, and then perfectly reconstruct the data at the receiver. The simulation utilizes these simplifications: 1. The individual data streams share the same bit length. 2. The code words are determined using the Walsh set to create orthogonal code words. 3. The spreading factor M of each code word is identical. 4. All users (data streams and codes) are synchronized in time. 5. Set-up and hold times of real-world systems are ignored. 6. The channel through which the data passes is ideal.

koch曲线，分型课程中经常用到的，很好(koch)

MATLAB中的GUI的图像输入程序，可以打开文件中的.jpg .bmp .tif *.JPEG等格式图片(GUI in MATLAB image input program, you can open the file. Jpg . Bmp . Tif * JPEG format images)

Matlab_Midterm signal processing

A timing error detector for Communication systems with simulink. # Required versions Matlab 5.2.1, Simulink 2.2.1 # File description 1. ti_det1.m (simulink version 5.2.1) An s-function to be used for timing detector. For detailed information, Refer to the following paper,K.H. Mueller and M. Mueller, Timing recovery in digital synchronous data receivers, IEEE Trans. Comun., vol COM-24, no. 5, May 1976. 2. m_delay3.m (related m-file) An s-function operating as sample and hold with clock port. 3. test1.mdl A timing recovery system to test the timing detector.

Matlab code for LDPC log-domain decoder in AWGN channel(Matlab code for LDPC log-domain decoder in AWGN channel BEC Channel and BSC channel)