(2,1,3) Convolutional Codes built a simple system for correcting display can be...

STM32F205串口通信程序 STM32F205串口通信程序

XR17D158V driver for CE5.0 header file

In this simulink model , baseband 8-ary PAM detection is simulated .A half-sine pulse shaped PAM signal is given as input to the detector.The received signal is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The 8-ary PAM signal transmitted is recovered at the detector output.

摘 : 通过使用 peer-to-peer(P2P)计算模式在 Internet 物理拓扑基础上建立一个称为 P2P 覆盖网络(P overlay network)的虚拟拓扑结构,有效地建立起一个基于 Internet 的完全分布式自组织网络路由模型 集中式自组织网络路由模型(hierarchical aggregation self-organizing network,简称 HASN).分别描述了 HASN 由模型的构建目标和体系结构,并详细分析了 HASN 采用的基于 P2P 计算模式的分布式命名 路由发现和更 算法 HASN_Scale,并在仿真实验的基础上,对 HASN 路由模型的性能进行了验证. -pick : through the use of peer-to-peer (P2P) computing model in the physical topology based on Internet established as a peer-to-peer network coverage (P overlay network) virtual topology, to establish an Internet-based Distributed completely self-organizing network routing model of a centralized self-organizing network Tongxinluo routing model (hierarchical aggregation self-Organization The driver, network, short HASN). HASN were described by the model of the goals and structure. and HASN detailed analysis of the peer-to-peer computing model based on distributed naming and routing algorithm found HASN _Scale and simulation on the basis of HASN routing model the performance

一个既可画图又可聊天的JAVA程序，用SOCKET编程实现-A progamm which could be used both in chating and drawing. It s implemented in sockets.

FFT子程序编写及应用和FFT对连续信号进行频谱分析-FFT routines and the preparation and application of continuous signal FFT spectrum analysis

基于手机平台的人脸识别系统设计，很前沿的东西。值得珍藏-Mobile phone platform based on face recognition system design, it is the forefront of things. Worthy of collection

.高斯子函数（主要用于产生高斯滤波器矩形脉冲响应g(t)）还有相位计算函数（主要用于计算 ）-. Gaussian Functions (mainly used to produce rectangular Gaussian filter impulse response g (t)) are calculated phase function (mainly used to calculate)

这是我收集的几个通信基础理论的Matlab仿真实现，包括bpsk、qpsk、ofdm以及信号衰减和延迟的仿真。尽管不是我本人原创，但比较都经典。文件为*.m格式-This is my collection of several communications infrastructure theory Matlab Simulation, including BPSK, QPSK, and the OFDM signal attenuation and delay in the simulation. Although it was not my original, but more are classics. M*. document format

应用背景我们提出了分散认知的协议允许二级用户自主搜索频谱没有中央协调员或专门的机会通信信道。硬件和能量约束，我们假设一个二级用户可能无法执行全频谱感知或可能不愿意监控没有数据传输时的频谱。我们发展基于机会频谱接入的分析框架部分可观测马尔可夫决策理论的研究（POMDP）。这一决策理论方法集成了设计频谱接入协议的频谱接入协议确定的物理层和交通统计由原网络应用层。它也允许频谱感知误差和约束容易合并与主要用户的碰撞概率。在此POMDP框架，我们提出了认知MAC协议优化二次用户的性能，同时限制主用户的干扰。次优策略与减少的复杂性，但可比性能的发展。无需附加控制信息交换次级发射机和接收机，建议分散协议确保在频谱之间的同步跳频在碰撞和碰撞的存在下，发射器和接收器频谱感知误差。关键技术本文提出了一种分散的方法Ad hoc网络MAC OSA。一种新的特征这项工作是剥削的机会，在插槽水平，允许低利率应用（如传感器节点）与主要用户。POMDP框架使一个机会用户使最优基于信念向量的感知和访问决策总结了基于网络状态的知识对所有过去的决定和意见