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panjie
用于空间信号叠加谐波个数判断，或者时间序列信号周期项个数判断(to decide the number of waves in singnal)
- 2014-10-16 11:26:11下载
- 积分：1
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OFDM
首先根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。然后根据长训练字的特性，进行相关运算，进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后，先在时域进行小频偏的估计，将两个长训练字进行小频偏补偿后，进行FFT运算，根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后，就可以进行数据解调了。先对数据部分进行完整的频偏补偿，然后根据估计的FFT窗口位置进行FFT运算得到频域的数据，进行解调。然后在对应于导频的子载波位置上提取出导频信息，根据导频信息估计出剩余定时误差以及剩余的信道响应误差，将误差量送入环路进行跟踪。当收到所有数据后，重新回到信号到达检测状态，进行下一次信号到达的检测和信号接收。(First, according to the characteristics of the short training word correlation operation, the signal reaching the detector, when the detected correlation value is greater than the threshold after a certain number of times that a signal arrives. And then the characteristics of long training word, the correlation operation for the FFT window starting position of an OFDM symbol estimate. The estimated position of the FFT window, the first small frequency offset in the time domain estimation, the two long training word small frequency offset compensation, the FFT operation, the FFT result of the operation for integer frequency offset estimate. These parameter estimation is completed, the data can be demodulated on. The first portion of the data for a complete frequency offset compensation, and based on the estimated FFT window position of the FFT operation to obtain frequency domain data, demodulated. Then corresponding to the position of the pilot subcarriers are extracted on pilot inform)
- 2020-11-04 23:49:52下载
- 积分：1
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matlabshili
说明： matlab实例源程序100例，快速掌握MATLAB的利器！(matlab examples of source 100 cases, quick to master MATLAB weapon!)
- 2010-03-25 20:08:49下载
- 积分：1
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specbandvar_SingleVoice
基于频率方差和子带分离的语音端点检测程序，基于matlab开发(based on specband var Vad detection programe,using matlab)
- 2010-05-14 16:01:36下载
- 积分：1
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interpolation-and-fitting
matlab经典算法程序中关于插值和拟合的具体指导资料 给需要的朋友们以启发(classical algorithm matlab program on interpolation and fitting specific guidance information to a friend who needs to inspire)
- 2013-11-13 11:20:13下载
- 积分：1
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rbf
向量机算法中的核函数向量机算法中的核函数向量机算法中的核函数(SVM kernel function)
- 2010-07-20 11:47:32下载
- 积分：1
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byes
朴素贝叶斯文本分类的算法实现，将文本转化为矩阵结构然后对矩阵做运算(Naive Bayes text classification algorithm, the text is converted to a matrix structure and then do the calculation matrix)
- 2015-01-02 20:06:37下载
- 积分：1
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6_PNseq_07
WALSH CODES AND THEIR
PSEUDOALEATORY SEQUENCES
- INTRODUCTION
- THE REPRESENTATION AS ELEMENTS OF THE EXTENS
GALOIS FIELDS
- THE PSEUDORANDOM SEQUNCE GENERATORS MPLEMENTATION
- MAXIMAL SEQUENCE (M-SEQUENCES)
- GOLD CODES
- KASAMI CODES
- EXAMPLES OF PSEUNDOALEATOR SEQUNECES USED IN IS-95
- 2009-04-07 20:02:20下载
- 积分：1
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adcp
read rdcp format adcp data
- 2011-01-22 21:46:44下载
- 积分：1
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RSdecod
RS 码译码源程序,在Visual c++下可对比4元域上的RS码进行纠错译码.(RS decoder source, in Visual c contrast under four yuan domain of RS error correction code for decoding.)
- 2007-04-13 11:21:10下载
- 积分：1
