matlab_channel

说明：  TCPIP在51单片机中的使用，一看就会，非常简单可靠实用(TCPIP )

标准的霍夫变换的程序，用于对目标的检测程序比较完整可以出图(The standard Hof transform procedure is applied to the target detection program, which is relatively complete and can be drawn out.)

已经调试成功.内含m文件，可直接运行，实现六自由度运动学逆解算法，供做算法研究人员参考。( Has been successful debugging. M contains files can be directly run, Six degrees of freedom to achieve inverse kinematics algorithm, Algorithm for researchers to do reference.)

AM调制系统的设计及仿真，包括载波信号，载波信号频谱，调制信号，调制信号频谱等图像(Design and Simulation of AM modulation and demodulation)

A source code of international Chin chess, have the referenc

说明：  MATLAB代码，产生GNSS导航信号BOC调制的相关频谱特性(The generate of BOC signal AND ITS PDF)

一个新的通信协议，一线通协议模版软件，希望对大家开发有用(A new communication protocol, Link Agreement template software, everyone would like to develop useful)

一款电力远程电表自动抄表系统，采用VC开发设计，供大家相互学习使用。(Power system auto-collecting and managing system,designed with VC for lerning.)

说明：  bch 编码、解码程序，可以对任意长度的信息添加纠错码。(BCH encoding, decoding procedures can be arbitrary length of the right information to add error-correcting codes.)

1. 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。请清楚的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S-function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。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 (Doppler spectrum of radio channel 1, please answer the following questions (1) In some wireless channel, radio channel Doppler shift will cause the output signal aliasing. Please clearly describe aliasing for various reasons )