qpsk

讲数字通讯的星座图的,里面有matlab程序,讲的很好.可以下载.(Stresses digital communications constellation diagram, which has matlab procedure, speaking well. Can be downloaded.)

对二进制序列进行DPSK调制，绘出绝对码、相对码、调制后的曲线、加噪声后的曲线图(Sequence of binary DPSK modulation, draw absolute code, the relative code, modulated curve, after curve plus noise)

说明：  很好的源码，关于卡尔曼滤波的源码，值得一看(A good source, the source on the Kalman filter, worth a visit)

说明：  基于MMSE准则LS /涡轮译码算法和平衡MIMO迭代算法的性能比较(Based on MMSE criterion LS/Turbo decoding algorithm and balanced MIMO iterative algorithm performance comparison)

一天文学家要确定一棵小行星的运动轨道，他在其轨道内建立了以太阳为原点的直角坐标系，由开普勒第一定律知小行星的运动轨道为一椭圆，试确定行星的运动轨道。(One day in literature to determine the orbit of an asteroid, he set up in its orbit to the sun for the origin of the coordinate system, by Kepler s first law of motion track known asteroid is an ellipse, the orbits of planets.)

算术编码简单例子，对于初学者会有很大的帮助。(Simple example of arithmetic coding, for beginners, there will be a great help.)

matlab fig中直方图加入阴影斜线(matlab fig histogram adding shadows slash)

能量熵的计算，这是第二能量熵的matlab代码，内含心电信号数据及运用MATLAB写的源代码。( Energy entropy calculation, This is the second energy entropy matlab code, ECG data and includes source code written in MATLAB.)

lena图像的小波分解与增强，图形对比更清晰，自己写的(lena image wavelet decomposition and enhanced graphic correlation more clearly, to write their own)

A vary good handbook for use of matlab and simulink in order to simulate systems.