Differential-Equation

Contains watermark embedding

亲自调试，绝对可用。用以生成16/32-APSK，若无法使用请看下载说明txt。(Personally debugging, absolutely available. To generate a 16/32-APSK, if they do not see the download instructions- txt.)

利用传输矩阵法对相移光纤光栅的反射及透射谱进行了仿真(Phase shifted grating reflection and transmission spectra were simulated using the transfer matrix method)

说明：  利用Matlab可视化编程设计一个界面，实现对几种常见分布的随机抽样并进行曲线拟合，最后用图像直观地表现出来(Using Matlab to design a visual programming interface, to achieve some common distribution of random sampling and curve fitting, and finally with the image shown visually)

本设计利用了数字信号处理的知识,基于MATLAB的GUI平台,实现了IIR与FIR各类滤波器的设计,能够绘制各种滤波器的幅频特性曲线,相频特性曲线,零极点图,冲激响应,阶跃响应等。(This design utilizes the knowledge of digital signal processing based on MATLAB GUI platform, the IIR and FIR filter design all kinds can draw a variety of filter frequency characteristic curve, phase-frequency characteristic curve, pole-zero figure, red shock response, step response and so on.)

说明：  说明： 该课题为基于bp神经网络的中文汉字识别系统，可以用手写板写，现场识别。有界面GUI操作。另外可识别汉字，字母，数字等均可。(Explain: This project is a Chinese character recognition system based on BP neural network, which can be written on handwritten board and recognized on the spot. There is interface GUI operation. In addition, it can recognize Chinese characters, letters, numbers, etc.)

用Matlab程序产生各种随机数的程序代码 详见说明(Matlab procedures using a variety of random number code see note)

说明：  利用矩阵的运算来编写旋转，使用矩阵进行坐标运算，使用矩阵进行坐标旋转(make use of the operation of matrix to realize the rotation)

几种常用的MATLAB数字信号处理的信号代码，包括LFM、FSK、BPSK、QPSK、sin等信号(matlab codes for some useful signal to study digial signal processing, includ LFMFSKBPSKQPSKsin and so on.)

说明：  这是基于matlab软件编写的开发型代码(this is a program)