Particle-Swarm-Optimization

程序的主要功能是做了一定范围的信噪比下，对每个信噪比：随机信号QPSK调制； 根据Alamouti方案的矩阵进行编码；发送信号经过瑞利信道和加入高斯白噪声； 接收信号采用最大比合并的方法；最后对合并信号进行最大似然判决并求误符号率。 结果表明10^-3对应大约12->13dB(Procedure main function is to do a certain range of SNR for each signal to noise ratio: random signal QPSK modulation program in accordance with Alamouti coding matrix send signals through Rayleigh channel and adding Gaussian white noise received signal using maximal-ratio combining method Finally the combined signal and the maximum likelihood decision for symbol error rate. The results showed that about 10 ^-3 corresponds to 12-> 13dB)

6本matlab电子书 能帮助初学者极大的极高matlab编程水平(6 e-book can help beginners matlab great deal of high level programming matlab)

Code for dwt watermarking an image

基于障碍物的三维定位chan和tylor wifi定位算法(Wifi three-dimensional chan and talor localization algorithm...)

说明：  灰度门限化许多情况，图象是由具有不同灰度级的两类区域组成。如文字与纸张、地物与云层（航空照片）。其特点:直方图具有两个峰，分别与两个灰度级范围相对应 。故可选择一个门限，将两个峰分开。(Gray threshold of many cases, the image is gray level of two different regional groupings. If words and paper, surface features and cloud cover (aerial photograph). Its features: histogram has two peak, respectively, with the two gray-scale range corresponding to. So choose a threshold, separating the two peaks.)

MUSIC，多重信号分类法，基于子空间分解，是DOA估计中的经典高分辨方法，初学者必须懂的。(MUSIC, multiple signal classification method based on subspace decomposition, is the classic high-resolution DOA estimation method for beginners to understand.)

瑞利信道下，stbc22,24,44，wuma仿真，以及通过奇异值分解的44天线的误码仿真，(Rayleigh channel, stbc22, 24,44, wuma simulation, as well as through the singular value decomposition of 44 antennas BER simulation,)

simulation for equlizer

基于灰度共生矩阵的图像特征提取,包括熵、相关性、标准差及方差(Image feature extraction based on GLCM，including entropy, correlation, standard deviation and variance)

Bottom Up Profiling shows the entire callstack backwards.