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getPDF2
In this paper, we investigate the timing and carrier
frequency offset (CFO) synchronization problem in decode and
forward cooperative systems operating over frequency selective
channels. A training sequence which consists of one orthogonal
frequency-division multiplexing (OFDM) block having a tile
structure in the frequency domain is proposed to perform synchronization.
Timing offsets are estimated using correlation-type
algorithms. By inserting some null subcarriers in the proposed tile
structure, we propose a computationally efficient subspace decomposition-
based algorithm for CFO estimation. The issue of optimal
tile length is studied both theoretically and through simulations.
By judiciously designing the tile size of the pilot, the proposed
algorithms are shown to have better performance, in terms of
synchronization errors and bit error rate, than the time-division
multiplexing-based training method and the computationally demanding
space-alternating generalized expectation-maximization
- 2010-08-11 18:46:04下载
- 积分：1
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complete
四通道分集合并接收机，调制方式为连续相位频率调制(Four-channel diversity combining receiver for continuous phase modulation frequency modulation)
- 2010-10-07 14:24:24下载
- 积分：1
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MATLAB_txtx
内容为《MATLAB实用指南系列》各书用到的部分程序。包含MATLAB_syjc，MATLAB_gcsx，MATLAB_txtx，MATLAB_gjbc等4个目录。
MATLAB_syjc目录下为《MATLAB实用教程》用到的部分程序。
MATLAB_gcsx目录下为《MATLAB工程数学》用到的部分程序。
MATLAB_txtx目录下为《MATLAB图形图像》用到的部分程序。
MATLAB_gjbc目录下为《MATLAB高级编程》用到的部分程序。
所有程序均通过调试。环境为MATLAB 7.0, Visual Basic 6.0, Visual C++ 6.0, Excel 2000, SPSS 12.0, Windows 2000。(Says " MATLAB Practical Guide Series" of the book used some of the procedures. Contains MATLAB_syjc, MATLAB_gcsx, MATLAB_txtx, MATLAB_gjbc directory, etc. 4. MATLAB_syjc directory for " MATLAB Practical Guide," used some of the procedures. MATLAB_gcsx directory for " MATLAB Engineering Mathematics" used in some of the procedures. MATLAB_txtx directory for " MATLAB graphics images" used in some of the procedures. MATLAB_gjbc directory for " MATLAB high-level programming" used some of the procedures. All through the debugging process. Environment MATLAB 7.0, Visual Basic 6.0, Visual C++ 6.0, Excel 2000, SPSS 12.0, Windows 2000.)
- 2009-05-10 12:45:28下载
- 积分：1
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101259328yiqun1
说明： 一个典型的蚁群算法示例,可以参考学习,讨论.一个很好的典型的蚁群算法示例,(A typical ant colony algorithm for example, can refer to learn, discuss. A very good example of a typical ant colony algorithm,)
- 2008-10-22 16:48:31下载
- 积分：1
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work
dijkstra矩阵算法，可以计算出最短路，第一次上传请见谅~(dijkstra很有用的！)
- 2010-06-07 19:51:45下载
- 积分：1
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ecuacalorlionel
Ecuacion de calor de newton
- 2009-12-09 06:01:45下载
- 积分：1
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lab7
说明： 计算方法的上机编程题，计算方法的上机编程题。计算方法的上机编程题(Method of calculation-on programming problems, the calculation-on programming problems. Programming-on method of calculation problems)
- 2010-03-24 23:09:20下载
- 积分：1
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Chap_5_MVDR
最小均方自适应滤波器，两个基本过程：滤波和自适应(LMS adaptive filter, two basic processes : adaptive filtering and)
- 2006-06-15 21:50:03下载
- 积分：1
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FIR_SSE
FIR filter to real/complex signal (platform x86, SSE instructions)
- 2011-04-21 16:42:09下载
- 积分：1
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连续小波变换 wavelet_cwt
对信号做连续小波变换，不直接调用Matlab的cwt函数(right signals to do continuous wavelet transform, not directly call Matlab cwt function)
- 2006-12-03 11:48:38下载
- 积分：1
