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QAM_timing
说明： 硕士论文，介绍关于QAM系统中定时同步的方案。(Master s thesis about the Timing on QAM systems)
- 2011-02-17 22:45:01下载
- 积分：1
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grating
matlab off-ais grating
- 2013-05-20 13:25:45下载
- 积分：1
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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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DMERR
说明： 一种基于动态路径损耗指数的最小能耗中继路由 (Dynamic Minimum Energy Relay Routing，DMERR）算法，该算法能够获取巷道内各处准确的路径损耗指数，准确计算巷道内每处的最佳通讯距离，从而节省通信能量。(the Minimum Energy Relay Routing (DMERR) algorithm which is based on dynamic path loss parameter is proposed, this algorithm can save the energy of communication by obtain the exact path loss parameter of each place in roadways and calculation the optimum communication distance accurately. )
- 2011-03-21 09:44:53下载
- 积分：1
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power-system-problem-based-on-PSO
说明： 利用粒子位置和速度的改变更新，在熟悉多目标粒子群算法的基础上利用测试函数对该算法进行仿真，并对仿真结果进行优化。(The particle position and velocity changes update in the familiar multi-objective particle swarm optimization based on the use of test functions to simulate the algorithm, and the optimization of simulation results.)
- 2011-04-18 19:59:16下载
- 积分：1
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jiyuMatlab
基于Matlab的红外图像的轮廓特征提取 基于Matlab的红外图像的轮廓特征提取 (Matlab-based infrared images of the contour feature extraction Matlab-based infrared images of the contour feature extraction)
- 2011-05-09 15:34:35下载
- 积分：1
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TP_CmdeMASPC_2011
Matlab PWM 调制程序 实现调用simulink(Matlab Pulse width modulation)
- 2012-04-17 17:01:28下载
- 积分：1
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2fsk
2FSK通信系统性能分析与仿真
绘出无信道编码情况下的2fsk系统误码率－信噪比曲线图，进行比较分析。
2.绘出有信道编码情况下的2fsk系统误码率－信噪比曲线图，进行比较分析。
3.编写M文件,依次改变信噪比,得到在特定信噪比下的误码率，绘出误码率－信噪比曲线图，进行比较分析。
(Analysis and Simulation of 2FSK communication system performance)
- 2020-07-16 21:18:49下载
- 积分：1
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reverberation-model
该混响模型代码，应用于matlab仿真中，构建室内混响和噪音环境，使之更接近真实环境，从而仿真 结果更加精确(The reverberation model code, used in the matlab simulation, building indoor reverberation and noise environment, make it more close to the real environment, and the simulation results more accurate)
- 2021-01-24 12:08:38下载
- 积分：1
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神经网络_test
说明： 一个用来测试神经网络的程序。在matlab中直接打开即可。(a neural network used to test procedures. In Matlab can be opened directly.)
- 2005-11-02 13:35:19下载
- 积分：1
