hw_thy

一直用途比较大的调制方式，高斯最小移频键控，在simulink中有比较大的参考价值(Has been the use of relatively large modulation, Gaussian Minimum Shift Keying reference value in simulink)

说明：  DS-CDMA通信系统仿真程序——包括扩频码的产生，发射机、接收机及性能分析等(DS-CDMA Communication System Simulation Program- including the spread spectrum code generation, transmitter, receiver and performance analysis)

将自适应模糊PID的控制方法应用于电液伺服控制系统中，通过使用MAⅡAB的 FuzzY工具箱对系统建模和仿真计算，并可根据仿真结果在线调整PID参数，对系统进行校 正．(The adaptive fuzzy PID control method is applied to electro-hydraulic servo control system, through the use of MA Ⅱ AB' s FuzzY toolbox on the system modeling and simulation, and can be adjusted according to the simulation results of PID parameters online, the system calibration.)

基于matlab的数字图像加密，简单的分层变换(Digital image encryption matlab based, simple hierarchical transformation)

BPSK信号在高斯和瑞利信道下的误码率曲线用matlab实现(Modulation and demodulation)

地震勘探中，声学介质下的波传播正演模拟，采用高精度有限差分方法，规则网格的，含有计算差分系数的子程序(Seismic exploration, acoustic wave propagation medium under the forward modeling, finite difference method using high-precision, regular grid containing the subroutine calculates the difference coefficients)

谐振腔稳区的计算，计算条件：三境折叠腔，固定L1，L2，计算腔内的光束半径。(Resonator stability zone, calculated conditions: three Habitat folded cavity, fixed L1, L2, calculate the radius of the beam cavity.)

this source code contain laplace edge detection code in matlab

说明：  改进的过零检测法，克服传统的过零检测法的缺点，提高精度。(matlab)

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