a_2D_fdtd

这个程序主要是实现空时编码的matlab编解码仿真。(This process is implementation of space-time coding codec matlab simulation.)

说明：  单端口网络函数施加阶数缩减方法，并附详细题解(Single-port network functions to impose order reduction method, together with a detailed solution question)

The Phantom of instantaneous

用Simulink搭建的DQPSK调制与解调的完整系统，包含了串并转换，差分编解码等关键技术，对理解DQPSK的基本原理有很大的帮助。(Complete system with the DQPSK modulation and demodulation Simulink built, comprising a serial-parallel conversion, encoding and decoding differential key technologies, a great help for understanding the basic principle of the DQPSK.)

matlab simulink的仿真教程 也是比较好的 (matlab simulink simulation tutorial is good)

post filter,complete matlab program

Principal component analysis (PCA) is a mathematical procedure that uses an orthogonal transformation to convert a set of observations of possibly correlated variables into a set of values of uncorrelated variables called principal components.

GPS_INS紧耦合组合导航系统研究,对学习组合导航系统有一定的参考价值(GPS_INS tightly coupled integrated navigation system, integrated navigation system for the study has some reference value)

介绍了端点检测的基本方法:基于短时能量的、基于短时过零率的、双门限检测的方法(Describes the basic method of endpoint detection: Based on short-term energy, zero crossing rate based on short-term, double threshold detection method)

消除实验图像中的背景噪声，噪声为随机或高斯噪声(Eliminating background emissions)