ch(2)-page(67)-ex(9)-descriptive-solution

使用EM算法，估计8PSK调制方式下的信噪比(EM algorithm using the estimated signal to noise ratio under 8PSK modulation)

HHT在matlab中的实现，包括emd和hht分解过程(HHT in matlab, including emd and hht decomposition process)

Lecture of programiring for C language part 6

以中等纯度的精馏塔为研究对象，考虑到不等分子溢流的影响和非理想的汽液平衡，可以得到塔顶产品轻组分含量Y与回流量L之间的传递函数为： 控制要求： 1.采用积分分离 PID控制算法将塔顶轻组分含量Y控制在0.99 2.采用继电法整定PID参数 3.整定效果验证：当被控过程参数时变时，如滞后时间由4→8，开环增益由3.4→6时, 讨论PID控制的响应速度及鲁棒性问题，考察当系统参数发生改变时，上述PID参数是否选取合适。 (Moderate purity fractionator as the object of study, taking into account the ranging molecular overflowing and non-ideal vapor-liquid equilibrium can be obtained by the transfer function between the content of light components of the overhead product Y and back to the flow L: Control Requirements: 1. integral separation PID control algorithm to control the top of the tower light component content Y 0.99 2. relay Law tuning PID parameters. tuning effect is verified: change When accused of process parameters, such as the lag time from 4 → 8, the open loop gain discussed from 3.4 → 6, the PID control of the response speed and robustness issues investigated when the system parameters are changed, the PID parameters select appropriate.)

利用matlab实现GMSK，调制出各个时间段的波形。如基带波形，相位波形，GMSK波形等(Using matlab to achieve GMSK, modulation of the waveform each time. Such as baseband waveform, phase, waveform, GMSK waveforms)

基于MATLAB数据采集系统的设计与实现(Design and Implementation of Data Acquisition System Based on MATLAB)

有关于多项式/曲线拟合的一些例题代码，一共有7个*.m文件(There polynomial/curve fitting some examples of code, a total of 7*. M file)

实际应用matlab程序解决方程的LU分解问题，为顺序消元法(Matlab program to solve the practical application of the LU decomposition equation for the sequential elimination method)

实现微分方程向前查分 （教材为微分方程数值解，习题5.2.4）(forward difference)

Rayleigh multipath/AWGN(Additive White Gaussian Noise) QPSK Gray used