大作业

A New Algorithm for Joint Range-DOA-Frequency Estimation of Near-Field Sources

包含有数字通信课程实验大作业报告与代码。完成的OFDM的收发包含：1.卷积编码、2.自动增益控制、3.极大似然判决、4.QPSK收发、5.帧检测等，代码在MATLAB2016b环境下编译通过(It contains the report and code of the experiment assignment for the course of digital communication. The completed OFDM transceiver includes: 1. convolutional coding, 2. automatic gain control, 3. maximum likelihood decision, 4. QPSK transceiver, 5. frame detection, etc. The code is compiled and passed in MATLAB2016b environment.)

说明：  对称振子方向图函数，天线阵函数，微波技术与天线(Symmetrical dipole pattern function, antenna array function)

OPC Server服务器和驱动源代码，非常实用，支持Modbus RTU，Modbus TCP，IEC61850，CANopen协议等。您需求OPC Server或其他协议源代码，联系 truesoft@163.com(OPC Server source code for Modbus RTU，Modbus TCP，IEC61850，CANopen procotol.)

是用于OFDM系统， 能有效地降低系统地PAPR，同时可利用伪随机序列来结合PTS减少计算地复杂性和冗余(Be suitable for OFDM system to reduce the PAPR. and to combine with the m sequence to reduce the complexity of PTS algorithm.)

说明：  matlab语音基因频率能量计算！一个非常有用的基音频率计算方法，一个小项目。(Matlab voice gene frequency energy calculation! A very useful pitch frequency calculation method, a small project.)

说明：  常用的两种信道估计算法，基于matlab，可以正常运行(Channel estimation algorithm, based on MATLAB)

The "feature" parameter in the isSupported(feature,version)" method is the name of the feature and the version is the version number of the feature to test.

说明：  STM32F4 SPI 4线驱动RA8875 彩屏方案(stm32f4 driver ra8875 TFT lcd display)

通过随机数产生原理进行verilog编程，从而实现FPGA的随机数产生(Through random number generation principle for Verilog programming, so as to achieve the FPGA random number generation)