Tongtai

DOA估计中，2MUSIC算法的前后向平滑与前向、后向平滑的比较。(This is the DOA estimation by ULA and spatial smoothing.)

基于图像内容的检索，文献及其相关代码，2012年的会议CVPR(Image content-based retrieval, literature, and their associated code, 2012 meeting CVPR)

WLan-IEEE802.11a modified with MIMO (Multiple transmitter and receiver)

it is useful for my studies

通过对二维码的3个顶点定位，扫描从而确定二维码的位置为后续解码做准备(hrough the three vertices of qr code, scan to determine the location of the qr code in preparation for the subsequent decoding )

c++的adc（数模转换器）测试实例程序，很实用，适合初学者(the c++ adc test instance procedures, very practical, very classic)

话务量分析预测Erlang C公式，话务量，出线容量，阻塞率，三者关系。ErlangC分析的GUI界面。(Communication traffic analysis theory of traffic analysis and forecast Erlang C formula, traffic, outlet capacity, blocking rate, the relationship among.)

MATLAB doc function with an excellent course

正交相移键控 (Quadrature Phase Shift Keying)简称“QPSK”，是一种数字调制方式。它分为绝对相移和相对相移两种。由于绝对相移方式存在相位模糊问题，所以在实际中主要采用相对移相方式DQPSK。目前已经广泛应用于无线通信中，成为现代通信中一种十分重要的调制解调方式。(QPSK THAT IS TO SAY....)

本程序是利用Householder变换分解得到Q,U(This program is using Householder transform decomposition of Q, U)