exerciseofmatlab

信号时频分析，小波变换，加窗（汉明窗，矩形窗，布莱克曼窗）(Time-frequency analysis, wavelet transform, windowed (Hamming window, rectangular window, Blackman window))

产生2fsk或4fsk的调制信号，可以控制带宽，中心频率，噪声，可以观察频谱(this can product signal)

数字信号处理小波分析 matlab实现 MATLAB小波分析m文件(Digital Signal Processing wavelet analysis to achieve MATLAB Wavelet analysis matlab m file)

一个三维共形时域有限差分方法，很实用，对于处理三维FDTD算法问题，很有实际价值。(A three-dimensional conformal finite-difference time domain method is very practical.It has practical value to deal with the problem of 3D fdtd algorithm.)

source code that compare the capacity in Equal power and waterfilling scheme of power allocation in iid channel model.

机械齿轮的参数优化，设计一直齿圆柱齿轮传动, 已知其齿数比u= 4, 小轮轴 扭矩T 1= 100N. m, 单向传动, 润滑良好, 非对称布置, 两齿 轮材料 小齿轮40Cr, 调质, 齿面硬度HB= 250~ 280, [ RH ] 1 = 630MPa, [ RF ] 1= 288MPa 大齿轮45 钢, 调质, 齿面硬度 HB= 220~ 250, [ RH ] 2= 550MPa, [ RF ] 2= 204MPa, 取载荷系 数K = 1. 28。(Parameter optimization of the mechanical gear design has been Cylindrical Gear, known gear ratio u = 4, small axle torque T 1 = 100N m, one-way transmission, well-oiled, non-symmetrical arrangement of the materials of the two gears pinion 40Cr quenched and tempered tooth surface hardness HB = 250 ~~ 280 [RH] 1 = 630 MPa [RF] 1 = 288MPa large gear 45 steel, quenched and tempered tooth surface hardness HB = 220 to 250, [RH] = 550MPa , [RF] 2 = 204MPa, to take load factor K = 1 28.)

可以打开图片的界面，并能完成图片的梯度计算和显示(open picture)

说明：  matlab code for finger print detection

Discrete cosine transform designed using matlab

model bifurcacao matlab