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modulation and demodulation using coherent detector

说明：  用Matlab实现阴历和阳历相互转换，里面有注释可供参考(Using Matlab to achieve conversion between the lunar and solar calendar, which has notes for reference)

用2fsk和2ask调制解调来仿真对语音信号的提取等(With 2 FSK and 2 ask demodulation of speech signal to the simulation of extraction, etc)

按字节32 位对输入信息进行CRC校验编码的Matlab 程序(CRC redundancy code according to the byte 32-bit with MATLAB)

说明：  蚁群算法的路径规划是指再有障碍物的三维工作环境中寻找一条从起点到终点的无碰撞路径。(Path planning of ant colony algorithm is to find a collision free path from the start to the end in the three-dimensional working environment with obstacles.)

本程序是一个基于空时编码的MIMO-OFDM通信系统的仿真设计，包括QPSK调制解调，IFFT调制，空时编解码(This procedure is based on a space-time coded MIMO-OFDM communication system simulation design, including QPSK modulation and demodulation, IFFT modulation, space-time codec)

Hearing test. It using music card to test left and right ear seperately. It contains graphic iterface[*.fig] and m-file. It works fine with 6.5 version of Matlab.

卡尔曼滤波器设计准则及其matlab实现(Kalman filter design criteria and implementation matlab)

比较经典的电机仿真 用于直流电机的研究 毕业设计中也可用到(The classic motor simulation graduation design for DC motor can also be used to)

说明：  bp神经网络，实现bp神经网络的分类，用matlab语言编写(bp neural network, the realization of bp neural network classification, using matlab language)