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assign1
1. 基于simulink搭建一个QPSK发送链路，QPSK调制信号经过了瑞利衰落信道，观察信号经过衰落前后的星座图，观察信道特性。仿真参数：信源比特速率为500kbps，多径相对时延为[0 4e-06 8e-06 1.2e-05]秒，相对平均功率为[0 -3 -6 -9]dB，最大多普勒频移为200Hz。(1. Based on simulink structures, QPSK sent a link, the Rayleigh fading channel after the QPSK modulation signal, were observed before and after signal after the decline of constellation diagram, observation channel characteristic. Simulation parameters: the source is 500 KBPS bit rate, relative multipath time delay of [0 8 e 4 e- 06-06 e-05] 1.2 seconds, the relative average power is [0-3-6-9] dB, most of the doppler frequency shift is 200 hz.)
- 2020-07-03 05:20:01下载
- 积分：1
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shiyannengliang2
这是个关于短时能量的端点检测程序，实行比较简便可供参考(This is a short-term energy on the endpoint detection procedures implemented relatively easy for reference)
- 2006-05-20 21:37:14下载
- 积分：1
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MatlabMoments
seismic moment calculation
- 2013-09-22 02:44:18下载
- 积分：1
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ocean_surface
EM Scattering of the ocean surface.Ocean surface spectrum generation with matlab.
- 2009-11-17 03:52:12下载
- 积分：1
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LTETheUMTSLongTermEvolution
说明： 想学LTE系统相关知识的朋友可以看看这本经典书籍(Want to learn the system knowledge LTE friends can look at this classic book)
- 2011-02-28 21:27:40下载
- 积分：1
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m
说明： m序列含有直流分量，将造成对辨识系统的静扰动，这通常不是所希望的(m sequence contains a DC component, will cause the static perturbation of the recognition system, this is not usually want)
- 2012-08-05 09:04:22下载
- 积分：1
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EDFA1
program to simulate EDFA
- 2015-02-09 20:09:06下载
- 积分：1
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REG_I_EMF
Matlab simulation of the back efm effect.
- 2009-11-05 17:30:27下载
- 积分：1
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QRS1
心电信号识别算法，采用阈值法检测心电QRs波群(ECG recognition algorithm, the detection threshold QRS ECG QRs)
- 2009-05-09 20:48:24下载
- 积分：1
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WINQSB
WinQSB 数学软件，不用安装，很有用(WinQSB mathematical software, no installation, is useful)
- 2010-01-20 17:58:09下载
- 积分：1
