holeofdiffraction

说明：  编写程序建立套管换热器数学仿真 模型，并计算换热器两侧流体沿程温度、对流换热系数、雷 诺数与热流密度的变化规律。(The mathematical simulation model of casing heat exchanger was established by programming, and the variation of temperature, convective heat transfer coefficient, Reynolds number and heat flux along the two sides of the heat exchanger were calculated.)

两种噪声下，卡尔曼滤波的100次Monte Carlo仿真验证，画出了每时刻卡尔曼预测均方根误差和估计均方根误差的Monte Carlo变化曲线(with uniform and Gaussian noise respectively,through 100 Monte Carlo simulations,output thecurves of sampled state prediction variances and estimate variances of kalman filter in each element vs.time step.)

说明：  双稳系统随机共振仿真与实例，用于弱信号的检测(Bistable stochastic resonance simulation instance, for the detection of weak signals)

基于Weber公式的齿轮啮合刚度计算公式（MATLAB版）(calculation of gear mesh stiffness based on Weber)

带海明窗的FFT滤波器，带通滤波器，附带批处理程序(FFT with Hamming window filters, band-pass filter, with a batch process)

该文件是模糊神经网络的预测算法源程序，最初用于嘉陵江水质评价，测试成功。(The file is forecast fuzzy neural network algorithm source code, originally used in the Jialing River water quality assessment, the test is successful.)

视频格式转换，包括mpeg转为yuv和yuv格式的352*288插值为704*576.其中mpeg转为yuv需要调用文件夹中的两个dll(此为matlab工具箱提供)(Video format conversion, including mpeg to yuv and yuv format 352* 704* 288 interpolated to 576. Yuv to mpeg which folder you want to call the two dll (This is provided matlab toolbox))

基于BP神经网络的字符识别算法源代码，包括网络仅值训练方法，训练是通 过调用34个字符文件夹，识别率达到99.8 。(BP neural network-based character recognition algorithm source code, including the value of the network only training methods, training is by calling the 34-character file folders, the recognition rate of 99.8 .)

计算gps信号接收机两点间的距离，代码通俗易懂(Calculate the gps signal receiver distance between two points)

一个自己搭建的普通的pscad仿真模型，方便初学者了解pscad相关的原件(One he has built himself an ordinary pscad simulation model, easy for beginners to understand the relevant original pscad)