QPSK_Alamouti2x2_selfE6

望远镜串口通讯程序，包括Meade望远镜通讯协议文档和三篇串口通讯论文(The telescopes serial communication program, including Meade Telescope communication protocol documentation and three serial communication papers)

标准接口1-5V转换成4-20mA程序，应用于标准传感器接入(Standard Interface 1-5V Converting 4-20mA Program for Standard Sensor Access)

插值与拟合，解方程，数据分析，包含收发两个客户端程序，三相光伏逆变并网的仿真。( Interpolation and fitting, solution of equations, data analysis, Transceiver contains two client programs, Three-phase photovoltaic inverter and network simulation.)

提供了几种利用jakes模型建立瑞利信道的matlab代码。(Provides several jakes model building using Rayleigh channel matlab code.)

说明：  2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请描述：自己用计算机产生的经典谱是正确的依据。(2. Regarding the doppler spectrum of the wireless channel, please answer the following questions: (1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing; (2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape; (3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.)

用VB编写的串口调试助手，附带51程序，大家可以学习，很经典，很地道(With VB serial debugging assistant, with 51 programs)

SSM: Slot Scheduling Mechanisms in a Multihop Wireless Hotspot Network

VPI中基于matlab联合仿真的直接检测ofdm系统(VPI-based co-simulation with matlab for the direct detection ofdm system)

说明：  针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)

昆仑通态触摸屏驱动脚本开发modbus程序源代码(MCGS driver script development MODBUS program source code)