explanationoffocwithsixphaseinductionmotor-(1)

实现基于STBC的MIMO_OFDM通信系统在不同信噪比情况下接收端的误比特率的仿真。发射端包括基于基带调制、空时编码、导频插入、IFFT、串并合并以及添加循环前缀；接收端包括去除循环前缀、取出导频估计信道、FFT运算以及并串合并，空时解码等。仿真中采用QPSK、空时编码采用4*3的复正交空时编码矩阵。OFDM子载波数为100，每个子载波传输66个符号，每个符号2比特。IFFT长度为512个符号。发射天线为3个接收天线为2个。(The BER simulation of MIMO_OFDM communication system based on STBC under different SNR is realized. The transmitter includes baseband modulation, space-time coding, pilot insertion, IFFT, serial-parallel combination and adding cyclic prefix; the receiver includes removing cyclic prefix, extracting pilot estimation channel, FFT operation, parallel-serial combination, space-time decoding, etc. The complex orthogonal space-time coding matrix is used in QPSK and space time coding in 4*3. The number of OFDM subcarriers is 100, and each subcarrier transfers 66 symbols with 2 bits per symbol. IFFT is 512 symbols in length. The transmitting antenna is 3 receiving antennas, 2.)

说明：  implementation of EV DC-one Speaker Management in Analog Devices Sigmastudio

在matlab下，基于循环前缀的仿真验证源代码，比较详细(In matlab, the simulation based on cyclic prefix for the source code, more detailed)

SIMULINK操作GPIO,实现定时让LED闪烁。(simulink operate GPIO)

一个QPSK的仿真程序,使用的是COSTAS环来恢复载波,给予SIMULINK()

RC充电电路仿真模型，可以看到曲线变化，初学者可以参考(RC charging circuit simulation model, we can see that curve of change, learners can refer to)

用MATLAB编写的蚁群算法最短路径寻找程序，压缩包内包含了网络结点坐标。(The preparation of the ant colony algorithm using MATLAB to find the shortest path procedure, compressed package that contains a network node coordinates.)

一种LDPC码的不同译码算法,归一化最小和 和积算法 对数域和积算法 (a different decoding algorithms on LDPC)

说明：  matlab实现的GPS软件接收机，CA码生成，导航电文，捕获、跟踪(software gps receiver)

一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。(OFDM： coding modulation IFFT AWGN Mode FFT ……)