阶乘累积量,factorial cumulant

1)factorial cumulant
阶乘累积量

2)factorial cumulant
阶乘累积矩
1.
The ratio of factorial cumulant to factorial moment of multiplicity distributions in different pseudorapidity windows has been calculated by using the experimental data of multiplicity production for pp collisions at 400GeV/c.
利用４００ＧｅＶ／ｃｐｐ碰撞多重产生的实验数据计算了不同赝快度窗口时多重数分布的阶乘累积矩与阶乘矩之比。



3)three-order cumulant
三阶累积量
1.
For the purpose of identifying harmonic components in vibration signals with strong Gaussian colored noise,by using an estimation algorithm of time averaged three-order cumulant,a method of harmonic retrieval from the(vibration) signals is presented in the paper.
为了识别在强高斯噪声背景下振动信号的谐波成分,从三阶累积量的估计算法出发,提出了基于时间平均的三阶累积量算法,进行振动信号的谐波恢复。


2.
After the analysis for speech signal with of three-order cumulant spectrum,this algorithm through using subharmonic-harmonic rate method can compute harmonic parameters and high-low frequency energy ratio.
该方法在分析了语音的三阶累积量谱后,用子谐波-谐波方法取得基音,并计算出谐波参数和高低频能量比值。


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4)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 。


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5)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


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6)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。


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补充资料：矩矩吒
【矩矩吒】　（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。

阶乘累积量,factorial cumulant