chap4

To find FFT, SNR and SFDR

数字图像处理和机器识别C++和matlab识别书籍第三部分，讲解详尽，适合学习(Digital image processing and machine identification C++ and matlab identification books first part, explain the detailed, suitable for learning)

计算太阳能集热器的出口温度、有效能收益及太阳能集热器瞬时效率(simulation the solarcollector s outlet temperature、effective power of collector and the instantaneous efficiency of the collector)

说明：  MATLAB2019官方入门文档，详细介绍了MATLAB2019的使用方法与技巧(The official entry document of matlab2019 introduces the use methods and skills of matlab2019 in detail.)

music高阶谱分析算法，采用加权网络中节点强度和权重都是幂率分布的模型，gmcalab 快速广义的形态分量分析，自己编的5种调制信号，表示出两帧图像间各个像素点的相对情况，有详细的注释，有小波分析的盲信号处理，车牌识别定位程序的部分功能。( music higher order spectral analysis algorithm, Using weighted model nodes in the network strength and weight are power law distribution, gmcalab fast generalized form component analysis, Own five modulation signal, Between two images showing the relative circumstances of each pixel, There are detailed notes, There Wavelet Analysis Blind Signal Processing, Part of the license plate recognition locator feature.)

这是一个好用的频偏估计算法的matlab仿真程序,正确率可以达到98％，包括面积、周长、矩形度、伸长度。( This is a useful frequency estimation algorithm matlab simulation program, Accuracy can reach 98 , Including the area, perimeter, rectangular, elongation.)

瑞星升级小程序，自己开发，参考参考。瑞星升级小程序，自己开发，参考参考。瑞星升级小程序，自己开发，参考参考。(ruixing upade)

说明：  MATLAB源码程序，实现对人脸的识别，很好的人脸识别程序(MATLAB source code procedures, to achieve face recognition, face recognition a very good program)

故障诊断matlab源代码，能够正确识别故障的类型(Fault diagnosis matlab source code, able to correctly identify the type of fault)

根据已有的每隔15min的风光预测数据，画出一天内的风光出力变化(According to the existing forecast data every 15min scenery, scenery draw the output change within a day)