normal_before

说明：  空时编码技术在时域的实现功能与解答，可以用二进制解码进行解答(Space time coding in time domain to achieve functional and answers can be used to answer the binary decoding)

包含仿真结果的16QAM系统的仿真报告，每一部分给予详细说明(Contains simulation results of 16QAM system simulation reports, each giving details)

Solve 2d wave equation with Finite difference method有限差分法解二维波动方程(Solve 2d wave equation with Finite difference method)

清华大学信号处理原理课程第一次实验，内容为产生固定波形以及声波的叠加(Signal processing theory, Tsinghua course first experiment, the content and the acoustic waveform to generate a fixed superposition)

线性调频信号的时频分析，画出了调频信号的时频脊。(The linear FM signal time-frequency analysis to draw the time-frequency ridge FM signal。 )

参考资料，matlab 学习用得到很好的很好的东东(matlab book is used to learn matlab)

本程序特别适合于弹道计算等方面使用。比ODE45函数的速度加快了很多，且程序充分展示了Matlab向量运算的强大功能，以及编程的简单快捷。(This procedure is particularly suitable for use ballistic calculations and other aspects. ODE45 faster than a lot of functions and procedures for demonstrating the power of Matlab vector operations, and programming simple and quick.)

极化码的信道编码与构造在matlab 上的实现(encoding of polar code )

this is the program for color based image retrieval system....

说明：  这是一本有关matlab的书，对matlab学习者有用(This is a book about matlab and is useful for matlab learners )