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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
- 积分:1
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MIMO-sphere-detection
说明: 一种高效的应用于MIMO检测的球形算法。适用于N-by-N QAM 调制。(an effective MIMO system deteciton algrithom ,which is applied to N-by-N transeiver with QAM modulatuion.)
- 2011-03-19 14:11:36下载
- 积分:1
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matlab
有限元法三角形单元单元分析,有限元初学者编写,进行电算验算(The finite element method of triangular element unit analysis, finite element beginners, checking the superhighway
)
- 2011-12-11 20:01:23下载
- 积分:1
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ASR_matlab
语音识别的MATLAB代码,包括用于测试的语音,实现了利用HMM(隐含马尔可夫)和DTW(动态规划)两种方法的实现。(ASR use HMM and DTW method include wave files use for test and training.)
- 2020-12-13 22:39:15下载
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zwicker-loudness-Matlab-code
the zwicker loudness code in matlab
- 2011-07-20 20:07:20下载
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fmguiv2
fmguiv2图像跟踪,可稳定跟踪目标,用于MATLAB仿真(fmguiv2 image tracking, target tracking can be stable for the MATLAB simulation)
- 2009-03-09 19:07:22下载
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algorithmofneuralnetwork
说明: 用matlab实现神经网络的算法,代码简练可运行。(The algorithm of neural network is written in the matlab environment.The code is simple and good,It can run very well.)
- 2010-03-22 15:38:53下载
- 积分:1
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MatLab-minglingdaquan
MatLab 常用 命令大全
包含各个部分的常用命令及命令的用法
错误命令的解读(MATLAB commonly used commands Daquan various parts of the commonly used commands and command usage error command interpretation)
- 2013-04-20 17:41:26下载
- 积分:1
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dtmfs
matlab实现的DTMF,可以产生DTMF信号然后识别出来。(matlab realized DTMF, can generate DTMF signals and then identified.)
- 2009-01-03 14:53:14下载
- 积分:1
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Degree12121
A pair of simple functions to make conversions between radians and degrees
- 2010-11-11 08:50:29下载
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