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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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mianbanhuigui
面包板模型程序，引用通过面包板模型得到几个因素对另一个因素的影响因子(Breadboard model program, cited several factors to get another factor influencing factors breadboard model by)
- 2014-08-18 23:02:10下载
- 积分：1
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spectral_analysis
SPECTRAL_ANALYSIS M-file for spectral_analysis.fig
SPECTRAL_ANALYSIS, by itself, creates a new SPECTRAL_ANALYSIS or raises the existing
singleton*.
H = SPECTRAL_ANALYSIS returns the handle to a new SPECTRAL_ANALYSIS or the handle to
the existing singleton*.
SPECTRAL_ANALYSIS( CALLBACK ,hObject,eventData,handles,...) calls the local
function named CALLBACK in SPECTRAL_ANALYSIS.M with the given input arguments.
SPECTRAL_ANALYSIS( Property , Value ,...) creates a new SPECTRAL_ANALYSIS or raises the
existing singleton*. Starting from the left, property value pairs are
applied to the GUI before spectral_analysis_OpeningFcn gets called. An
unrecognized property name or invalid value makes property application
stop. All inputs are passed to spectral_analysis_OpeningFcn via varargin.
- 2014-02-14 11:08:42下载
- 积分：1
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ldpc_encoder
ldpc_encoder 自己改过的LDPC码编码，貌似是8160,7136.好用的(ldpc_encoder MATLAB 8160,7136)
- 2021-02-20 21:59:43下载
- 积分：1
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colordemo
colordcolordemo colordemoemo colordemo colordemo colordemo colordemo colordemo(colordemo colordemo colordemo colordemo colordemo colordemo colordemo)
- 2010-08-09 20:59:36下载
- 积分：1
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Clamping-Bridge-Inverter
This code contains a modeling of a clamping bridge for the stabilizing of the inverter s Inputs Voltage
- 2012-11-16 14:15:45下载
- 积分：1
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[Staff-_MathWorks_Inc.]_MATLAB_student_version_l
it is about matlab student tutorail
- 2012-12-01 18:22:55下载
- 积分：1
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muiting
可以动态调节运行环境的参数，GSM中GMSK调制信号的产生，音频信号通过LM386放大。( Can dynamically adjust the parameters of the operating environment, GSM is GMSK modulation signal generation, LM386 audio signal amplification.)
- 2016-05-12 17:49:23下载
- 积分：1
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基于Matpower的IEEE33节点算例配电网潮流计算-power_flow
基于Matpower的IEEE33节点算例配电网潮流计算(A Matpower-based IEEE33 node example for power flow calculation of distribution network)
- 2021-03-22 11:19:17下载
- 积分：1
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Astar
A*路径规划matlab代码，加上地图膨胀和路径平滑(A* Path Planning Matlab Code with Map Expansion and Path Smoothing)
- 2018-12-08 15:55:23下载
- 积分：1
