ofdm--model--and--cope

各种数字波束形成算法。如最小方差无畸变响应MVDR,LCMV等。(A variety of digital beamforming algorithm. Such as minimum variance distortion-free response MVDR, LCMV and so on.)

说明：  场区由两个PEC板组成，它们在y和z维度上延伸到无穷大，彼此平行。PEC板之间的空间充满了空气.在问题空间的中心放了一个电流源。(The field area consists of two PEC plates, which extend to infinity in the y and z dimensions, parallel to each other. The space between the PEC boards is filled with air. A current source is placed in the center of the problem space.)

此算法是基本聚类算法，经过验证，此算法很很好的运行。对于初学聚类者来说，此算法很有用(This algorithm is a basic clustering algorithm, after verification, the algorithm runs very good. Clustering for learning are concerned, this method is very useful)

vaves and diff equations

velocity model of many layers

导入RENIX文件，通过卫星导航电文计算卫星的位置，并与精密星历做对比。(RENIX import files via satellite navigation data to calculate the position of the satellite, and with precise ephemeris do comparison.)

本程序的功能是：实现惯性导航参数的自标定过程。(Realize the self-calibration process of inertial navigation)

this good documents explain how make a good compression for jpg picture

matlab 代码 ，用来训练cascade的分类器(matlab code ,used for train a cascade classifier)

认知无线电技术是当前缓解频谱资源紧张的有效解决方案，频谱感知是认知无线电的关键技术，其中，能量检测是经典的频谱感知算法，对于研究频谱感知的初学者来说比较重要。(Cognitive radio technology is an effective solution to alleviate the tension of spectrum resources. Spectrum sensing is the key technology of cognitive radio. Among them, energy detection is a classical spectrum sensing algorithm, which is important for the study of spectrum-aware beginners.)