APF_zhihuan

在电话拨号时 ，每个按键都使用双频信号进行区分的，本MATLAB程序就是用来模拟发送号码的发送和接受过程，并发出按键音。(In a telephone dial-up, each button using the dual-band signal distinction, the MATLAB program is used to simulate the sending number to send and accept the process and issue the key tone.)

实现动画，挂摆横梁、布朗运动、红色小球沿一条封闭旋螺线运动的实时动画(To achieve animation, hanging swing beam, Brownian motion, a small red ball along a closed real-time animation of the rotating spiral movement)

经验模态分解是热门的方法，这个文档有很能直观的说明EMD的原理！希望能帮助更多人！(Empirical mode decomposition method is popular, this document can have a intuitive show the principle of EMD. Hope to help more people！ )

图像配准和融合相应程序，以及一些图片素材，里面又相应的说明，简单易懂(Image registration and fusion procedures, as well as some pictures material, which has the appropriate instructions, easy to understand)

说明：  用于地震信号的剖面生成，有助于观察采集到的信号(For seismic signal profile generation, it is helpful to observe the collected signals)

8状态8PSK TCM系统（频带＋噪声）(8 state 8PSK TCM system (band Noise))

MATLAB时频分析技术及其应用.3~15章内容(MATLAB time-frequency analysis technology and its application.)

用分布傅里叶计算硅波导中的非线性薛定谔方程，考虑硅波导中色散及非线性损耗(solution of NLSE(two pulses propagate in silicon waveguide) using split step fourier method)

matlab 卡尔曼滤波实际例子，附带详细注释(Kalman filter matlab practical examples, with detailed notes)

MATLAB EXAMPLE CODE FOR POLYALPHABETIC CIPHER