OFDM_angle

实现串口通信 可以收发数据 可以是数字也可以是ASCII(Serial communication)

Sample code in VB.NET for calculate and check CRC (Modbus specification). Supported both string format (like MSComm) and bytes array(like DCB).

说明：  熟悉OQPSK的基本原理、调制解调技术，掌握MATLAB中M文件的使用及相关函数的调用方法，在此基础上通过MATLAB编程来实现OQPSK的调制与解调,完成项目(OQPSK, modulation and demodulation, noise ,MATLAB, M file.)

主控mcu与profinet进行SPI通讯的例子程序(An example program of SPI communication between master control MCU and PROFINET)

通过具体的信道实例对比几种信道容量，绘出对数正态衰落、瑞利衰落、Nakagami衰落下确定的容量随平均接收信噪比变化的曲线。(The capacity of several channels is compared by a specific channel example, and the curve determined by the logarithmic normal fading, Rayleigh fading and Nakagami fading with the change of the average received signal to noise ratio (SNR) is drawn.)

S7-200以太网通讯图文教程 S7-200通过CP243-1或 CP243_1IT接入工业以太网。 S7-200以太网通信主要有以下几种方式： ★ S7-200之间的以太网通信 ★ S7-200与S7-300/400之间的以太网通信 ★ S7-200与OPC及WINCC的以太网通信 (S7-200 Ethernet communication graphic tutorial )

说明：  数字AGC仿真代码适合于基础的了解数字控制模块(Digital AGC simulation code is suitable for understanding the basis of the digital control module)

说明：  automatic link establishment radio software

程序使用了自相关性和互相关性较好的gold码作为扩频序列，直扩，扩频增益设置为31，模拟用户数为4(Program uses a self-correlation and cross-correlation of the better gold code as spreading sequence, direct expansion, spreading gain is set to 31 to simulate the number of users of 4)

大规模MIMO信道容量分析，主要分析了BS和MS天线数不断增大时，对信道容量的影响。(The analysis to Massive MIMO channel capacity as the antennas of BS and MS grow up. )