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卫星通信中数字调相信号调制方式识别方法研究
针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)
- 2020-06-21 09:20:02下载
- 积分：1
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Three-dimensional-WSN
在TOA测距的基础上，提出了一种三维无线传感器网络节点定位算法，并对其性能进行了分析，给出了算法的时间同步误差和定位误差。最后在现有仿真平台OMNET++的基础上构建三维仿真模块，对算法进行了仿真实现，给出了该算法的定位精度和覆盖率(This paper proposes one three-dimensional localization algorithm based on TOA distance measurement and analyzed the performance of the algorithm calculated time synchronization error and localization error. Finally it constructed three-dimensional simulation modules based on OMNET++ and implemented the algorithm educed the localization precision and coverage.)
- 2012-03-09 16:26:34下载
- 积分：1
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siuucqtor
易语言打怪模拟器源码,很不错的易语言源码,适合易语言爱好者学习,(Easy language strange simulator source code, very good easy language source code, suitable for easy language lovers to learn,)
- 2018-07-31 16:09:04下载
- 积分：1
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BAYESIAN-HIGH-PRIORITY-REGION-GROWING-FOR-CHANGE-
BAYESIAN HIGH PRIORITY REGION GROWING FOR CHANGE
- 2011-12-18 23:07:51下载
- 积分：1
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wdjkxt
温度监控系统的设计 温度监控系统的设计(Temperature monitoring system design temperature monitoring system)
- 2008-12-09 20:49:33下载
- 积分：1
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OFDM MATLAB
说明： OFDM链路OPTISYSTEM 仿真模型(Simulation of OFDM link optisystem)
- 2021-01-25 21:51:05下载
- 积分：1
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narrowband
关于阵列信号处理窄带DOA估计的MATLAB仿真程序，用于学习比较（Capon,convention,MUSIC,DML）(Narrowband array signal processing for DOA estimation of the MATLAB simulation program for learning more (Capon, convention, MUSIC, DML))
- 2011-12-01 09:00:48下载
- 积分：1
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6
说明： 6. 在三条径的瑞利信道中，对于OFDM：
(1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真。画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。
(2) 设频率已同步，请设计OFDM一种具体的采用循环前缀进行时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已同步，请设计OFDM一种具体的采用循环前缀进行频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(6. In the three-path Rayleigh channel, for OFDM:
(1) please design a specific navigation-assisted channel estimation method and use Simulink for simulation.The relation curves of bit signal-noise ratio and channel estimation mean square error and the relation curves of bit signal-noise ratio and bit error rate are drawn.
(2) if the frequency has been synchronized, please design a specific method of time synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit-snr and acquisition probability.
(3) if time has been synchronized, please design a specific method of frequency synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit signal-to-noise ratio and frequency synchronization error.)
- 2021-01-23 11:58:44下载
- 积分：1
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agy
A source code of international Chin chess, have the referenc
- 2017-04-10 21:49:22下载
- 积分：1
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lunwen
扩频通信中pn序列码的仿真与研究，m序列，M序列，gold序列(Pn sequence spread spectrum communication and research simulation codes, m series, M series, gold sequence)
- 2011-05-16 14:41:00下载
- 积分：1
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