1) higher order cumulant-based beamforming
高阶累积量波束形成
1.
On the basis of the higher order cumulant-based beamforming algorithm, given that the interference signal vectors demonstrate the characteristic of Gaussian random distribution after code filtering under the condition of large user number and high processing gain, a blind method to estimate the beamforming weight vector of the desired user by computing the higher order cumulant was proposed.
在研究高阶累积量波束形成算法的基础上,根据多天线直序扩频码分多址系统在同信道移动用户数目较大或处理增益较高的情况下,阵列解扩器输出的多址干扰向量呈现高斯随机分布的特点,提出了一种新的利用高阶累积量进行自适应盲波束形成的方法。
2) higher order cumulants
高阶累积量
1.
By Hinich s test,the nongaussian and nonlinear components of ship radiated noise was detected, and the objective evidences were given for using higher order cumulants to extract noise features.
用Hinich检验方法 ,验证了实际舰船辐射噪声中存在非高斯性、非线性成分 ,为利用高阶累积量方法提取舰船辐射噪声的非高斯特征 ,提供了客观依据。
2.
Blind separation of sources based on higher order cumulants is applied to the separation between vibration signal and noise,which is important to diagnosi.
本文利用基于高阶累积量的盲信号分离方法 ,设计了相应算法 ,成功地从被噪声污染的信号中恢复源振动信号 ,从而可确保碰摩故障的检测和诊断能顺利进
3.
The identification of such a system is discussed when applying higher order cumulants.
研究了利用高阶累积量方法对复共轭四阶系统进行辨识的问题 ,分析讨论了这种四阶系统的特点 ,给出了由连续系统到离散系统的转换公式 ,并利用基于累积量表示的修正尤勒 沃克方程对该四阶系统进行了辨识 。
3) high-order cumulant
高阶累积量
1.
Estimation of time delay by using weighted high-order cumulant on correlated noise;
相关噪声背景下加权高阶累积量的时延估计方法
2.
Research on DOA Estimation Based on High-Order Cumulant;
基于高阶累积量的DOA估计法研究
3.
Seismic wavelet estimation using high-order cumulant matching method and hybrid ant colony algorithm.
基于高阶累积量拟合及混合蚁群算法的地震子波估计
4) higher-order cumulants
高阶累积量
1.
Lung sound feature extraction based on parametric bispectrum analysis of higher-order cumulants;
基于高阶累积量的参数化双谱分析的肺音特征提取
2.
The ARMA model parameters of lung-thorax system from lung sound were estimated by the higher-order cumulants.
应用高阶累积量方法 ,从肺音信号辨识肺胸系统的ARMA模型参数 。
3.
To investigate the modulation recognition of Phase Shift Keying (PSK) signals widely used in satellite Communication, such as pi/4-QPSK and 8-PSK , an algorithm for modulation recognition based on higher-order cumulants of signal difference is proposed.
针对卫星通信中常用的数字调相信号pi/4-QPSK、8PSK的调制识别问题,提出了一种基于信号差分高阶累积量的识别算法,该算法利用信号差分的四阶和八阶累积量特征对pi/4-QPSK、8PSK信号进行识别。
5) higher-order cumulant
高阶累积量
1.
Text image denoising based on higher-order cumulant;
基于高阶累积量的文本图像去噪算法
2.
Decomposition and recovery on AR based on ICA and higher-order cumulant;
基于ICA和高阶累积量的AR序列的分解与复原
3.
Recognition algorithm of phase shift keying signals by higher-order cumulants;
一种基于高阶累积量的数字调相信号识别方法
6) higher order cumulant
高阶累积量
1.
New signal detection method combining higher order cumulant with matched filter;
基于高阶累积量和匹配滤波的信号检测新方法
2.
Research on LPI signals feature detection based on parallel filter bank and higher order cumulants
基于滤波器组和高阶累积量技术的LPI信号特征检测的新方法
3.
This paper introduces the higher order cumulant(HOC) and analyzes the theoretical basis on which the cumulant extracts the features of complex coupling signals and non-linearity.
介绍了高阶累积量理论,分析了它提取复杂耦合信号和非线性特性的理论基础。
补充资料：累积增长量
累积增长量
【泉积增长t】以某一固定时期作为基期，报告期水平减去某一固定时期水平(通常为最初水平)的差额。它说明一段时期内总的增长(减少)量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条