69-examples-of-modeling

bpsk的各种代码，有高斯白噪声下的(BPSK various codes, have under the Gaussian white noise)

am modulation and demodulation matlab full code

检测直线，通过hough变换来检测，可以方便快捷，hough变换(hough transilation)

时频分析的工具，完成时频分析，希望能够对大家有帮助，共同进步！(Time-frequency analysis tools, complete the time-frequency analysis in hopes of help, make progress together!)

非线性规划中的最陡下降法、BFGS方法和共轭梯度法matlab源程序（3－拟牛顿BFGS方法）.m(Non-linear programming in the steepest descent method, BFGS and conjugate gradient method matlab source code (3- Quasi-Newton BFGS method). M)

文件中有11个文件夹，每个文件夹中含有十个左右实际工程例子的MATLAB实现PID算法的源代码(The Files has 11 folders, each folder contains about ten examples of practical engineering problems that MATLAB source code to solve PID algorithm )

caculates the ber for CBPSK, DPSK, and Coherent GMSK for fading and no fading usinganalytical means.

basic matlab information to study simulink

说明：  根据滚降系数画出滚降系统频谱，并画出相应的时域波形(According to the roll-off factor to draw the spectral roll-off and draw the corresponding time-domain waveform)

newton raphson method