新建文件夹

说明：  北邮计算机网络实验一，滑动窗口的回退n协议，实测信道利用率很高。(Computer network experiment 1, sliding window backoff n protocol, the measured channel utilization is very high.)

说明：  matlab里使用simulink仿真出qpsk系统通过AWGN信道的调制解调过程，并分析其误码率(Using simulink in matlab to simulate the modulation and demodulation process of qpsk system through AWGN channel and analyze its bit error rate)

MSK通信建模与仿真，simulink源文件，东华大学研究生通信建模与仿真课程设计代码(Modeling and simulation of MSK communication simulink source file, donghua university graduate course design of the modeling and simulation of communication code )

MODBUS RTU using Attiny44 from Atmel

说明：  主要介绍了8255接口的基础知识及其实例的应用，并借助几个小例子，介绍如何设计和使用8255(It mainly describes 8255 which is a paralel port)

实现多项式的加法和减法 并且实现一个多项式的运算(Realize polynomial addition and subtraction and the realization of a polynomial operator)

说明：  对数字信号进行相位幅度调制，并在接收端成功解调(QAM of Digital Signal and Successful Demodulation at Receiver)

OFDM调制解调系统的设计，内涵matlab simulink的模型和误码率监测的M文件，改OFDM调制解调系统模型可以适应于matlab较低版本，可执行。(OFDM modulation and demodulation system design, the connotation Matlab Simulink model M-file and bit error rate monitoring, change the OFDM modulation and demodulation system model can be adapted to a lower version of the executable in matlab. )

UWB接收机的同步估计算法 能有效实现接收信号的同步(UWB receiver synchronization estimation algorithm can effectively realize the synchronization of received signal)

说明：  基于matlab函数对模拟信号的调制，可以熟悉的掌握用matlab对模拟信号的调制、解调。(Matlab function-based modulation of the analog signal can be familiar with the master using matlab analog signal modulation, demodulation.)