Chapter-7--numerical-differentiation

embedding file image into audio file in this case wave file

说明：  Text detection technique using canny edge detector

粒子群算法优化BP神经网络，使用matlab平台实现，解决了BP神经网络速度较慢的问题(Particle swarm optimization (PSO) optimization of BP neural network)

说明：  信号处理综合应用中的声估计MATLAB程序(Signal processing integrated application of sound estimated MATLAB program)

本程序考虑到孤岛和并网的状态，可以进行微电网的潮流计算(This procedure takes into account the island and grid connected state, can be micro power flow calculation)

使用matlab求解方程的小资料，简单易用。(Solving equations using matlab small information, easy to use.)

华中科技大学Matlab控制系统讲义 由康勇 李勋老师讲解，包括了课件和示例程序(Huazhong University of Science and Technology Matlab control system handouts by Kang Yong Li Xun teacher explanations, including courseware and sample programs)

matlab实现的PSO算法，主要功能是模拟粒子群算法，经过测试可以运行。(matlab implementation of the PSO algorithm, the main function is to simulate particle swarm algorithm is tested to run.)

换热器的j,f因子是评定其性能的重要参数，通过编程计算能够更加简便快捷(J, f is a factor important to assess the performance parameters of the heat exchanger, through the calculation can be more easily and quickly programmed)

一个接地电网simulink模型，可以直接运行(A grounding grid simulink model can be run directly)