emd

说明：  无区间约束powell算法MATLAB实现(No interval constraint algorithm for MATLAB implementation powell)

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)

this programe for count path loss from power level in transmission media. with walfish ikegami method and implement with semolog graphic.it can show the maximum pathloss in propagation

实现Gabor滤波的源代码，包括C++、matlab源程序，还有介绍其原理的word文件(Gabor filter realization of the source code, including C++, matlab source, as well as introduce the principle of word document)

一个完整的GNSS接收机Matlab源程序，包括从中频信号的捕获、跟踪、数据同步、解码、导航定位输出(A complete matlab source code for GNSS receiver including intermediate frequency acquisition racking synchronizationdecodingposition and navigation output)

信号的仿真，误码率的仿真，互相学习，互相进步(change zhe singal，and find the rate of error)

SPWM控制的逆变器simulink范例。通过更改开关的占空比来调节输出电压(Simulink example SPWM inverter control. By changing the switch duty cycle to regulate the output voltage)

数字图像处理的基础知识，是冈萨雷斯的《数字图像处理》一书对应电子版(digital image processing)

卡尔曼滤波器的设计，利用matlab编写，主要的内容就是这样的(The kalman filter design, use matlab, the main content is such )

瑞利信道下，2发2收，最大似然译码，空时编码，MATLAB仿真实现(Rayleigh channel, 2 admission, maximum likelihood decoding, space-time coding, MATLAB simulation)