直接序列扩频系统仿真

matlab写的ldpc编译码仿真，自己可以该参数看误码率，(matlab ldpc encode decode)

本文系统的介绍了TQ2440开发板相关知识，对这方面的读者很有作用。(This article describes the system development board TQ2440 knowledge, useful in this respect the role of the reader.)

使用多路径信道进行数据的传输仿真（架设在已知信道中传输）(Data transmission using the multi-path channel simulation (mounted on a known channel transmission))

说明：  可实现TCP/IP连接后数据的读取与写入(TCP/IP data read and write)

CAN Festival 手册,描述具体规格协议，可用于CAN总线应用协议通信编程参考。(CAN Festival manual -English)

ptz 云台控制软件, 内带C++ 源码(ptz PTZ control software, which brought C++ source)

说明：  5G辅同步信号SSS的m序列的matlab生成代码(Generate the secondary synchronization signal symbols (BPSK) for a given cell ID)

说明：  opnet网络仿真中文教程，给了我挺大帮助的(OPNET Network Simulation Chinese course, gave me a lot of help)

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.)

采用H323协议的ip电话通信系统，可以移植裁剪应用。(Ip with H323 protocol telephone system, portable cutting applications.)