88658438l1_OMP_matlab

说明：  BP神经网络信道均衡，matlab的仿真实现(BP neural network channel equalization)

modbus 详细解说，协议文档。。。,包括了function。。。(modbus detailed explanation of the protocol documentation. . .)

使用MATLAB建模实现DCO-OFDM(Implementing DCO-OFDM using MATLAB modeling)

在TOA测距的基础上，提出了一种三维无线传感器网络节点定位算法，并对其性能进行了分析，给出了算法的时间同步误差和定位误差。最后在现有仿真平台OMNET++的基础上构建三维仿真模块，对算法进行了仿真实现，给出了该算法的定位精度和覆盖率(This paper proposes one three-dimensional localization algorithm based on TOA distance measurement and analyzed the performance of the algorithm calculated time synchronization error and localization error. Finally it constructed three-dimensional simulation modules based on OMNET++ and implemented the algorithm educed the localization precision and coverage.)

LTE prach的信令分析代码,由协议解析出数据处理需要的信息(The signaling LTE PRACH analysis code, the protocol analysis data processing need information )

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.)

说明：  载波相位平滑伪距，针对伪距的异常情况，利用载波相位进行平滑处理(Carrier phase smoothing pseudo-distance)

说明：  实现可连续输入数据做三角函数变换处理，通过verilog代码实现，(It realizes triangular function transformation for continuous input data.)

learning c++. it is good for start and beginners

说明：  伪随机LED灯，实现八位LED灯的随机闪烁以及其它的控制。(Pseudo-random LED lamp)