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main_no_offset_2
假设截获了一段短波数字通信的信号,要求解调出最终的信息,每组解调出来后,将10组信息组合起来,恢复最终的信源输出数据。
先验信息:两组数据文件,编号为1、2,每组I、Q两路存放,格式为“int16”,采样率为9600Sa/s,其中第一组为单径情况,第二组为多径情况。
参数符合MIL-STD-188-110A标准;
同步序列为syn=seq.dat,BPSK调制;
接收机频率稳定度高于1e-6。
文件中有效信息总长度为333.75s,其中同步头长为5/12s,每时隙1/6s,训练序列占10 ,在数据之前;
交织方式为全交织,矩阵交织,列为1000,在比特级进行;
纠错码码率为1/2;
调制方式为BPSK、QPSK和8PSK中的一种,映射方式为二进制,BPSK相位偏移为0,其余两种为 。
(Suppose intercepted signal for a period of short-wave digital communications requires final demodulated information after each demodulated, combining 10 group information, to restore the final output data source.
Priori information: two sets of data file, numbered 1, 2, each I, Q two-way storage, the format is int16 , sampling rate 9600Sa/s, where the first group is a single path, the second group multipath situation.
Parameters meet MIL-STD-188-110A standard
Synchronization sequence syn = seq.dat, BPSK modulation
The frequency stability of the receiver is higher than 1e-6.
File payload total length of 333.75s, wherein the synchronization header length is 5/12s, each time slot 1/6s, accounting for 10 of the training sequence, before the data
Interleaving for the whole interleaving matrix interleaving, as 1000, carried out at the bit level
Error correction code rate of 1/2
The modulation scheme is BPSK, QPSK and 8PSK one, a binary mapping, the BPSK phase offset is 0, the )
- 2016-06-20 19:12:40下载
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shift
说明: 直线偏移代码,已知多边形顶点坐标,可以将多边形各边沿其法线方向平移距离然后得到新的多边形顶点。(Linear shift code, known polygon vertex coordinates, can be the edge of the polygon shift its normal direction and then get a new polygon from the vertex.)
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rectangle
make a simple rectangle with matlab
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daizu50
使用matlab实现FIR滤波器的50Hz陷波器设计,简单实用(Use matlab 50Hz notch FIR filter design, simple and practical)
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crossvalidate
一个交叉验证的matlab源码,语句简单,清楚,易修改,好实现(Matlab source code, a cross-validation statement is simple, clear, easy to modify, good to achieve)
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psat
PSAT包含了:PF-潮流计算;CPF-连续潮流;OPF-最优潮流;SSSA-小扰动分析;TDS-时域仿真;GUI-用户人机界面;GNE-自定义模型等功能。该工具包已经可以计算上千节点规模的系统。而且该软件包源代码完全公开,因此用户可以根据自己的研究兴趣编写修改相应源代码实现研究目的。(PSAT includes: PF-flow calculation CPF-continuous fashion OPF-OPF SSSA-small perturbation analysis TDS-time domain simulation GUI-user machine interface GNE-custom models and other functions. The kit can have thousands of computing nodes scale systems. And the package source code is completely open, so that the user can modify the source code to write research purposes according to their research interests.)
- 2013-12-14 16:41:54下载
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PLSgui
matlab pls 工具箱 各种pls函数,包括画图(matlab pls toolbox)
- 2012-03-27 13:45:38下载
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Em_Alpha
em 算法下加入alpha噪声的通信系统的性能检测程序(em algorithm alpha noise was added performance of the communication system testing procedures)
- 2011-05-13 11:22:09下载
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SA
模拟退火算法模拟退火算法模拟模拟退火算法退火算法(Simulated annealing algorithm simulated annealing algorithm simulated annealing algorithm simulated annealing algorithm)
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Modern-Wireless-Communications
学习通信相关知识,帮助大家系统的学习通信相关知识,适合研究生及以上学历的读者。(learn communicate technogly .)
- 2014-09-09 10:52:51下载
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