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于 2017-12-27 发布文件大小:4KB

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用于分析Robust PCA对应的MATLAB程序，将一个矩阵分解为低秩和稀疏矩阵的形式(This paper analyzes the MATLAB program corresponding to Robust PCA, and decomposes a matrix into a form of low rank and sparse matrix.)

文件列表：

LRSD\demo_lrsd.m, 2404 , 2016-11-28
LRSD\lrsd.m, 2837 , 2016-11-28
LRSD\mexsvd.mexw32, 7168 , 2016-11-28
LRSD, 0 , 2017-04-18

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123
针对MIMO-OFDM系统中期望最大化(EM)信道估计算法在高信噪比(SNR)下带来的误差地板(EF)现象,且OFDM符号的数据传输效率随发射天线数的增加而明显降低,提出一种改进的高效EM信道估计算法。该算法首先引入一种准确的等效信号模型并推导出一种修正的EM算法,改善了EM算法在高SNR下的性能在多个OFDM间利用相位正交导频序列来提高数据传输效率,同时进行联合信道估计以提高估计性能。仿真实验验证了所提算法具有更高的信道估计性能和更高的数据传输效率。(For multiple-input multiple-output with orthogonal frequency division multiplexing(MIMO-OFDM) systems,the error floor(EF) phenomenon at high signal noise rate(SNR) was induced by the expectation maximum(EM) channel estimation algorithm.In addition,the data transmission efficiency was declined obviously with the increasing number of transmit antennas.According to these problems,an improved and efficient EM channel estimation algorithm was pro-posed.Firstly,an accurate and equivalent signal model was introduc...)

2011-09-05 15:20:54下载

积分：1
usrp_spectrum_sense.py.tar
提供基本的基于能量检测的频谱感知功能，需要结合软件无线电外设USRP使用(Providing basic spectrum sensing capabilities based on energy detection requires the use of software radio peripheral USRP)

2017-09-20 20:19:56下载

积分：1
source
　?　　bpsk信号的产生可用与仿真的输入信号(? Bpsk signals generated can be used with simulation of the input signal)

2008-04-26 12:24:08下载

积分：1
MSK调制解调器
MSK调制解调器MATLAB仿真程序，毕设用的，可会知误码率、时域图、频域图(MSK modulation and demodeulation simulate code by MATLAB)

2017-12-09 17:31:57下载

积分：1
VoiceTest
用于检测手机麦克风输入音量大小的DEMO(it s used to detect the volume of phones micphone)

2013-10-02 14:45:30下载

积分：1
4867537666
百度手机地图实例集合，应用程序编程源码，很好的参考资料。(Set Baidu mobile phone map example, application programming source code, a good reference.)

2013-11-12 00:06:06下载

积分：1
XR-EE-RT_2009_003
无线hart开发实现与测试,包含所有功能的说明与测试(wireless hart)

2012-01-31 15:38:16下载

积分：1
mimo_channel_capacity
说明：开环/闭环下的MIMO信道的信道容量。未知CSI时的MIMO信道容量。(Channel capacity of MIMO channel in open / closed loop. MIMO channel capacity at unknown CSI.)

2020-06-28 13:34:58下载

积分：1
Interpolation-in-Digital-Modems
Farrow 滤波器设计经典文章，作者是：FM.Gardner，farrow滤波器设计的始祖，经典值得推荐！（两篇文章）(Farrow filter design classic article, the author is: FM.Gardner, farrow filter design ancestor, classic worth recommending! (Two articles))

2013-11-15 17:57:22下载

积分：1
mini2440-qtopia
mini2440上qtopia应用程序开发步骤(arm-qtopia版本)(mini2440 steps on the qtopia application development (arm-qtopia version))

2009-12-04 15:49:16下载

积分：1

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