1) generalized fractional lower-order covariance spectrum
广义分数低阶协方差谱
2) fractional lower order covariance spectrum
分数低阶协方差谱
3) Fractional Lower Order Covariance(FLOC) spectrum
分数低阶协方差(FLOC)谱
1.
When the characteristic parameter a is small, the frequency estimation becomes obviously worse with either power spectrum or covariation alpha-spectrum,so the Fractional Lower Order Covariance(FLOC) spectrum is proposed to estimate the Doppler frequency of the aircraft signal.
当Alpha稳定分布的特征参数α值较小时,基于功率谱或基于共变α谱的频率估计性能将明显下降,为此本文提出基于分数低阶协方差(FLOC)谱方法估计ARM载机信号的多普勒频率,并针对载机信号的强相关性用对消器抑制载机信号,最后导出了标准对称Alpha稳定分布杂波下ARM的Wald检测统计量。
4) FLOC
[英][flɔk] [美][flɑk]
分数低阶协方差
1.
α-Spectrum Estimation for AR SαS Processes Based on FLOC;
基于分数低阶协方差的AR SαS模型α谱估计
2.
For the impulse noise, the time-delay can be estimated by computing the FLOC(Fractional Low-Order Covariance).
由于脉冲噪声服从低阶分布,采用分数低阶协方差方法,可以得到较好的时延估计精度及良好抗噪声能力和抗混响能力,比较适合室内的语音源定位。
3.
The drawback of the parameter estimation method for ARMA SαS process based on fractional lower order moments(FLOM) was analyzed,and based on the conception of fractional lower order covariance(FLOC),a new parameter estimation method of ARMA SαS process was proposed based on FLOC coefficient.
分析了基于分数低阶矩(FLOM)估计ARMA SαS模型参数的不足,根据分数低阶协方差(FLOC)的概念,提出了一种基于分数低阶协方差系数估计ARMA SαS模型参数的方法。
5) fractional lower order covariance
分数低阶协方差
1.
Direction finding of signal subspace fitting algorithm based on reconstructed fractional lower order covariance
重构分数低阶协方差的子空间拟合测向算法
2.
In order to solve the degenerative performance of Capon filterbank spectral estimation under alpha-stable distribution noise, a new spectral estimation method based on improved Capon filtrbank is presented, the traditional Capon filterbank is reconstructed with fractional lower order covariance(FLOC).
为了解决Capon滤波器组谱估计方法在稳定分布噪声下性能出现退化的问题,提出了一种改进的Capon滤波器组谱估计方法,利用分数低阶协方差(FLOC)对传统的Capon滤波器组进行重构。
6) First Order Generalized Difference Scheme
一阶广义差分法
补充资料：分数阶积分与微分
分数阶积分与微分
og fractional integration and differentia-
分数阶积分的逆运算称为分数阶微分:若几介F，则f为F的:阶分数阶导数(na ctional deriVative).若0<戊
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