动锁模光纤激光器

设计一个巴特沃兹数字低通滤波器，其技术指标为：3dB带宽为0.2π，阻带截止频率为0.3π，通带纹波为1dB，阻带衰减大于30dB，采样间隔T=10ms。 1）采用冲激响应不变法； 2）采用双线性变换法设计； 3）采用FIR的窗函数（Hanning窗、Hamming窗或Blackman窗）设计。(A Butterworth digital low-pass filter is designed. Its technical specifications are: 3 dB bandwidth is 0.2 pi, stopband cut-off frequency is 0.3 pi, passband ripple is 1 dB, stopband attenuation is more than 30 dB, sampling interval T=10 Ms. 1) Impulse response invariance method is adopted. 2) Design by bilinear transformation method; 3) FIR window function (Hanning window, Hamming window or Blackman window) is used to design.)

利用MATLAB/simulink实现4FSK调制(Using matlab simulink for simulation modulation 4FSk)

说明：  无线传输系统中nRF2401芯片数据丢失问题的研究(Wireless transmission systems nRF2401 chip problem of data loss)

说明：  基于MATLAB编程实现m序列、gold序列、kasami小集序列，并分析各自的自相关，互相关性能。(Based on MATLAB programming, m-sequence, gold sequence and Kasami small set sequence are realized, and their autocorrelation and cross-correlation performance are analyzed.)

说明：  这是手机的射击游戏,有一定的参考价值,可编译(shooting games, a certain reference value, compiler)

VB写的一个简单的服务器与客户端程序，可以进行简单的本机通讯。经修改可以用于双机通讯。(VB to write a simple server and client, can be simple local communication. Modified can be used for two-machine communication.)

水声探测技术中时反结合mimo提高探测性能的matlab仿真(Anti combined mimo method to improve detection performance underwater acoustic detection technologies.)

wcdma 编码扩频调制过程。。。。。。。。。。。。。。。。。。(wcdma coded spread-spectrum modulation process )

OMRON FINS 串口 以太网通讯协议软件原代码(OMRON FINS Ethernet serial communications protocol software, the original code)

加窗QPSK-OFDM调制解调，每个OFDM符号采用QPSK调制方式，并画出了时域对比图(Windowed QPSK-OFDM modulation and demodulation, each OFDM symbol using QPSK modulation and a time-domain comparison chart shown)