-
agy
A source code of international Chin chess, have the referenc
- 2017-04-10 21:49:22下载
- 积分：1
-
TestWebServer
用visaul basic 编写的,连接Wsdl服务的例子(Written visaul basic example connect Wsdl service)
- 2013-03-07 13:46:27下载
- 积分：1
-
lms
lms基础算法，已经经过测试，可以通过。(LMS basic algorithm has been tested and passed.)
- 2020-06-20 10:00:01下载
- 积分：1
-
OFDM
ofdm仿真程序有关信道传输中的多径效应，多普勒频移，时延扩展(OFDM simulation program on the transmission channel of multi-path effects, Doppler frequency shift, delay spread)
- 2008-04-29 10:35:41下载
- 积分：1
-
gps_time
说明： 用于计算gps系统时间，gps周、周内秒,以及约化儒略日(Used to calculate GPS system time, GPS cycle, intra-week seconds, and Julian Day)
- 2019-10-13 17:11:19下载
- 积分：1
-
osticocablesequentialtrack
GSM短信测试程序,可以给手机发送短信息,开发环境为Visual c++,()
- 2018-01-01 15:32:31下载
- 积分：1
-
EXIT
本源码包参考英国Southampton大学Robert G. Maunder教授2008年的EXIT charts开源demo，给出了通用(分量码多项式可自定义)并行级联Turbo码的EXIT charts的作图源码。同时可完成迭代轨线、BER等值线的绘制等工作。
由于对于码块长较大的情形仿真需要较长时间，源码包也给出了部分分量码多项式的仿真结果，可直接用于绘图。
源码包还给出了最经典的S.Ten Brink介绍EXIT charts基本原理的参考文献，以及本人对通信系统中迭代译码过程分析技术综述的小论文，希望对大家有所帮助。(This source package comes after Professor Robert G. Maunder s open source demo about EXIT charts in 2008 from University Southampton, UK. It is designed for universal (constituent code generation polynomial can be customized) Parallel
Concatenated Turbo Code EXIT charts. The iterative trajectories and BER contour drawing is also completed in this package. Since the long block case costs a lot of simulation time, some simulation results are included in the package. We also give the most classical introduction to the basic principles of EXIT charts from S. Ten Brink, as well as a document about analysis technologies for iterative decoding process in communication systems. Hope this will help.)
- 2009-07-12 12:13:21下载
- 积分：1
-
IIR 数字滤波器的设计与实现
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.)
- 2019-04-19 10:03:16下载
- 积分：1
-
射线追踪法
说明： 大气波导下，电磁波射频追踪研究，利用Matlab进行仿真(Radio Frequency Tracking of Electromagnetic Waves in Atmospheric Waveguide)
- 2021-01-06 19:58:53下载
- 积分：1
-
位同步
说明： 在信号发送后，接收方需要实现位同步才能正确解码(after signal is sent, receiver need bit syn to decode correctly)
- 2019-02-16 19:57:51下载
- 积分：1
