STFT

说明：  用于打开PET图像,输出为一个三维举证，z表示相应的层数(used to open PET images)

由matlab编写的一首歌曲，m文件编写及函数的调用完全可以运行，无错误，大家多多学习(One song, written by matlab can run, no error, we learn more)

fdtd meling of metamaterials ebook

说明：  好东西来了！是一个完整的东西啊，不好用砖头拍我！(Good stuff coming! Is a complete thing, ah, well shoot me with bricks!)

加入噪声的音乐信号的分帧后的短时能量和过零率的特性，用matlab语言的实现(Short time after joining the framing of the noise of the music signal energy and zero-rate characteristics using Matlab language)

模拟一个城市的气温在15年内的变化情况，以及统计气温的各种变化走势和在一定时间段内气温的各种统计量。(Simulation of a city in 15 years the temperature changes, as well as statistical temperature changes trend and within a certain period of time the temperature of various statistics.)

带动量，自适应学习速率的梯度下降法； 刚建立的网络误差 ； 对学习训练后的网络仿真； 误差函数赋值(matlab program)

This is the first matlab code of chuck

full wave rectifierDuring the period from 伪 to 蟺, the input voltage vs input current is are positive and the power flows from supply to the load. The converter is said to be operated at rectification mode .During the period from 蟺 to 蟺+伪 , the input voltage vs is negative and the input current is is positive and reverse power flows from load to the supply. The converter is said to be operated in inversion mode. Depending on the value of 伪, average output voltage can be either positive or negative and hence provides 2 quadrant operation.

神经网络的滑模逼近，matlab仿真，希望对大家有用(Neural network sliding-mode approximation, matlab simulation, in the hope that useful to everybody)