高分辨距离成像的运动参数估计 -文本浏览模式- 文档 - 枢研网 关键词: 高分辨; 循环平稳; 高斯色噪声 [gap=966]Key words: high resolution; cyclostationary; Gaussian color noise
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=== 定义3.6 广义循环平稳(WSCS):过程的均值与相 关函数具有下述的周期性,即, 1 2 1 2 [ ( )] [ ( )] ( ) ( ) ( , ) ( , ) E X t E X t kT m t m t kT R t t R t...
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In the end, two algorithms grounded on subspace and cyclostationarity for channel blind estimation are introduced briefly.
最后本文还简要介绍了盲估计的其它两种算法：子空间法和循环平稳法。
参考来源 - 无线OFDM系统中的信道估计算法研究High Resolution,Scattering Center,Cyclostationary,MovementParameter Estimation,Angle Glint,Nonlinear Kalman Filter,Radar Target Recognition,3D Radar Imaging,Data Acquisition.
高分辨,散射中心,循环平稳,运动参数估计,角闪烁,非线性卡尔曼滤波,雷达目标识别,三维成像,数据采集。
参考来源 - 多种测角体制下宽带高分辨雷达导引头目标识别理论方法与应用研究According to the cyclostationary theory, the stationary noise has no influence at non-zero cyclic frequency.
从循环平稳理论分析可知，平稳噪声在非零的循环频率处不具有任何特征。
参考来源 - 循环平稳理论在滚动轴承故障检测中的应用To some extent, the better results of experiment data analysis also verify the ability of cyclic autocorrelation function, cyclic spectral density, and degree of cyclostationarity to extract the rotating machinery fault characteristics.
同时实验数据分析结果在一定程度上也证明了循环谱密度函数、循环平稳度及循环自相关函数在旋转机械故障特征提取应用中可以取得较好的诊断效果。
参考来源 - 循环平稳理论在齿轮及滚动轴承故障诊断中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
事实上，由于伪码的周期性而导致的循环平稳是扩频信号的一个重要特征。
In fact, as the result of the period of a PN code, cyclostationarity is a key property of DSSS signal.
通过分析旋转机械振动信号的特点，指出旋转机械的振动信号为循环平稳信号。
The paper considered the vibration signals of rotating equipment as cyclostationary signals through analyzing the features of this kind of signals.
针对这一特性，文中给出了UQPS K信号的循环谱，提出了基于循环平稳特性的载频获取算法。
In the light of these characteristics, the paper deduces the cyclic spectrum of UQPSK, and puts forward an algorithm for carrier-frequency capture based on cyclostationarity.
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