psoProject

本文件描述了OFDM的频谱示意图，并给出了单载波和多载波情况下的频谱比较，以及源码(OFDM spectrum schematic)

潮流计算万能程序，能够计算潮流，网络潮流程序编写的不错(Universal flow calculation program)

一个关于LQG控制的简单例子，对相关函数的调用的理解相当有帮助，亲测有效实用。(A simple example of LQG control is very helpful to understand the call of related functions, and it is effective and practical to test personally.)

一个串级PIDSIMULINK模型,可直接运行(one simulink model about pid)

卷积码的编码以及软硬译码，信道为awgn，调制方式为bpsk(Convolutional encoding and decoding software and hardware, channel for the awgn, modulation is bpsk)

程序实现用牛顿－拉夫逊迭代法进行潮流计算。不仅有潮流计算，还有数据处理的程序(Procedure using the Newton- Raphson iterative method for flow calculation. Not only power flow calculation, as well as data-processing procedures)

半色调技术对图像进行打印和显示。半色调技术是一种基于点模式的灰度级图像打印方案。在本实验中，给出了用点模式近似表示的10个灰度级(Halftone image printing and display. Half-tone technique is a model based on gray-scale image point of printing solutions. In this experiment, given the dot pattern similar to that of the 10 gray level)

说明：  人脸肤色检测，在转换成Ycbcr格式后用相关系数进行肤色似然度计算，检测属于肤色的像素。(Skin color detection, the conversion into Ycbcr format color by correlation coefficients calculated likelihood, detection is skin color pixels.)

Image Encryption based on the RGB PIXEL Transposition and Shuffling Abstract — Privacy is one of the key issues information Security addresses. Through encryption one can prevent a third party from understanding raw data during signal transmission. The encryption methods for enhancing the security of digital contents has gained high significance in the current era of breach of security and misuse of the confidential information intercepted and misused by the unauthorized parties. This paper sets out to contribute to the general body of knowledge in the area of cryptography application and by developing a cipher algorithm for image encryption of m*n size by shuffling the RGB pixel values. The algorithm ultimately makes it possible for encryption and decryption of the images based on the RGB pixel. The algorithm was implemented using MATLAB. Index Terms — Cryptography, Encryption, algorithm, cipher image

基于差分进化算法的无线传感器网络节点定位方法研究(Based on differential evolution algorithm for wireless sensor network node localization method)