erweima

关于3G与WLAN网络融合的安全性分析及形式化方法的应用(3G and WLAN networks on the integration of security analysis and the application of formal methods)

请大家放心使用，本程序为用MATLAB语言描写的循环码。(Please rest assured to use, the procedures for the use of MATLAB language description of the cyclic code.)

关于距离扩展目标-分形理论检测方法的matlab实现程序(About distance expansion goal- matlab fractal detection method to achieve program)

说明：  RS的编码以及迭代译码，是【7,3 5】的RS码，希望对大家有帮助(it can work well~hope can help you)

利用matlab 进行异步电机的电磁设计。通过合理的参数设计使其效率，功率因数等都满足条件。(asynchronous machine electrical and magnet design)

说明：  模糊c均值（fcm）实现无监督聚类算法，经本人尝试，程序可以正常运行(Fuzzy C-means (FCM) to achieve unsupervised clustering algorithm, I try, the program can run normally)

演示椭圆的曲率圆的动画。该程序演示了椭圆各点的曲率变化及相应的曲率圆圆心的轨迹。(Demonstration of the curvature ellipse circle animation. The program demonstrates the various points of the curvature of the ellipse and the corresponding changes in the curvature of the round locus of the center.)

说明：   教学材料包含全套的文件,可以直接用于教学 例题全部代码包含本书全部例题的MATLAB语句 开发函数和使用资源包含作者为本书开发的全套函数. (Teaching materials include a full set of files that can be directly used for teaching examples include all the code book, all examples of MATLAB statements development function and use of resources developed for this book contains a full set of functions.)

对原始图像 Beauty.jpg进行彩色图像处理，使画面中的以下情况得到改善： 1. Œ 整个画面光线偏暗 2.  画面在色彩上偏紫 3. Ž 皮肤上有很多的雀斑 4.  右下角偏亮(On original image Beauty.jpg, color image processing, the screen in the following situation be improved: 1. Entire screen dark screen purplish color on the skin, many freckles. Right Bright lower corner of)

Differential PSK (DPSK) 􀂄 Inexpensive 􀂄 Quadrature Phase Shift Keying (QPSK) 􀂄 Twice as spectrally efficient than BPSK 􀂄 Offset QPSK (OQPSK) 􀂄 reduce envelope variation 􀂄 π/4 QPSK 􀂄 reduces envelope variations to a lesser extent than OQPSK can be noncoherently detected