1) special fourth-order time average moment
特殊四阶时间平均矩
1.
Based on the correlative and the statistic characteristics of this changed model,a special fourth-order time average moment is defined.
本文首先分析了不同的噪声模型对谐波耦合分析所产生的影响,通过对原始采样数据进行平方预处理,改变了采样信号的信噪模型,利用新模型下噪声的统计特性及噪声间的相关特性,通过定义一种特殊四阶时间平均矩,首次解决了零均值独立噪声背景下谐波频率的二维三次非线性耦合问题。
2) Special fourth-order time-average moment spectrum
特殊四阶时间平均多矩谱
3) fourth-order time-average moment spectrum
四阶时间平均多矩谱
1.
A special fourth-order time-average moment spectrum was defined for the estimation of cubic nonlinear coupling, which can be applied to obtain the coupled and coupling frequencies in nonzero-mean multiplicative noise and additive noise of any mean without any constrain on the distribution and noise color.
定义了特殊的四阶时间平均多矩谱,并用其有效地估计了参与二维三次非线性耦合的谐波频率和耦合产生的谐波频率。
4) 2-D third-order time-average moment spectrum
二维三阶时间平均矩谱
1.
According to the properties that 2-D third-order time-average moment spectrum has the peak value at the coupling frequencies of harmonics when the 2-D harmonics only exists the quadratic nonlinear coupled harmonics,the Genetic Algorithm(GA) is employed to analyze the quadra.
利用当且仅当二维谐波中存在二次非线性耦合谐波时,所定义的二维三阶时间平均矩谱仅在参与二次耦合谐波频率处取得极值的性质,提出了采用遗传算法来分析二维谐波的：二次非线性耦合问题的算法。
5) time averaged polyspectral
时间平均矩谱
6) moment boundedness average in time
时间平均矩有界
补充资料：特殊
不同一般的；不平常的：特殊性｜情况特殊｜特殊待遇。
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