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spreadspectrum
In a normal communication channel, it is often desirable to concentrate the information in as narrow a region of the frequency spectrum as possible in order to conserve available bandwidth and to reduce power. The basic spread spectrum technique, on the other hand, is designed to encode a stream of information by spreading the encoded data across as much of
the frequency spectrum as possible. This allows the signal reception, even if there is interference on some frequencies. While there are many variations on spread spectrum communication, we concentrated on Direct Sequence Spread Spectrum encoding (DSSS). The DSSS method spreads the signal by multiplying it by a chip, a maximal length pseudorandom sequence modulated at a known rate. Since the host signals are in discrete-time format, we can use the sampling rate as the chip rate for coding.
- 2012-04-12 20:54:14下载
- 积分：1
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inclinationerr
经典的多点法形状复原算法的逐次2点法和逐次3点法的程序。本程序对当存在随机误差和系统误差时产生的评价误差进行了分析。(classic multi-point method shape recovery algorithm Successive 2:00 and 3:00 successive Act procedures. When the right procedures exist random error and systematic error, caused by the error of evaluation analysis.)
- 2007-06-11 23:00:09下载
- 积分：1
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deepest_descent_method_1D
梯度下降法在一维函数中的优化应用，自己原创，可以运行，无任何错误(Gradient descent algorithm applied in a one-dimensional function optimization, and their own original, can run without error.)
- 2014-12-19 15:20:51下载
- 积分：1
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MIMOWirelessCommunicationsFromRealWorldPropagatio
MIMO Wireless Communications - From Real-World Propagation to Space-Time Code Design
- 2011-01-12 08:38:17下载
- 积分：1
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Digital-Modulation-Techniques2
this is about digital modulation techniques used in matlab
- 2011-11-18 15:43:42下载
- 积分：1
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87166412lunwenfig3_10a
可以实现多个方向波束跟踪，并且抑制干扰信号(Can implement multiple direction beam tracking, and suppress interference signals)
- 2018-03-21 12:06:07下载
- 积分：1
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Keypad
select keypad for dtmf tone
- 2013-08-18 13:32:15下载
- 积分：1
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speechrecognization
语音识别基于dtw算法,可以识别特定的汉字，里面有10个字的模板(speech recognition)
- 2015-01-02 21:40:50下载
- 积分：1
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PQ
说明： simulink风力发电机组的PQ计算模块，用于风电领域的集成模块(P&Q control)
- 2014-06-09 12:28:38下载
- 积分：1
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jsq
运用用MATLAB编程的小型计算器，能够运行简单的加减乘除等运算(Use with MATLAB programming small calculator, able to run, such as simple addition and subtraction, multiplication and division operations)
- 2009-04-18 16:42:38下载
- 积分：1
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