1) Fractional calculus
分数阶计算
2) calculate stage by stage
分阶段计算
3) Computer gray analysis
计算机灰阶分析
4) computed order tracking
计算阶比分析
1.
This paper gives the integrated computing steps of the computed order tracking method based on spline data interpolation,so gives an integrated feasible scheme for the resampling process o.
转速跟踪分析方法可以有效的用于旋转设备变速过程的振动分析,计算阶比分析方法克服了传统的转速跟踪方法硬件结构复杂、成本高、精度差的缺陷,采用软件重采样的方法实现时域采样信号到角域采样信号的转变。
5) even order differential operator
偶数阶微分算子
1.
The maximum principle for some even order differential operators is presented.
讨论了一类偶数阶微分算子的最大值原理,基于该原理用上下解方法证明了相应的非线性边值问题解的存在性,在某些附加条件之下,可以建立一种单调迭代的方法来求解这类问题,给出的例子强调了结果的有效性。
6) fractional lower order statistics
分数低阶统计量
1.
Based on the fractional lower order statistics theory,the deterministic averaging method and two lemmas introduced and proved,this paper gives an analysis of the convergence property of the DLMP algorithm theoretically.
本文基于分数低阶统计量的原理 ,根据确定性平均方法 ,结合文中给出并证明的两个引理 ,对DLMP算法的收敛性能进行了理论分析和证明 。
2.
Considering the effect of α-stable distributed noises for the classical second order statistics,combining fractional lower order statistics theory and chirp Z transformation(CZT),a novel multi-source time delay estimation method in impulsive noise environment is proposed.
同时考虑到α稳定分布噪声会降低基于二阶统计量的传统方法的性能,依据分数低阶统计量理论并引入线性调频Z变换(CZT),提出了一种脉冲噪声环境条件下的多源时延估计新方法,仿真表明该方法可有效解决脉冲噪声环境中多源时延估计的高精度问题,其性能优于常用的共变法。
3.
According to the theory of the fractional lower order statistics and the characteristics of ship radiate noises,this paper proposed a new noise model of underwater acoustic signals,recalled general LMS metnod,analyzed performance degradation reason for non-gaussian noise model,and presented the fractional lower order lp-norm based approaches of adaptivef filter for underwater acoustic signals.
依据分数低阶统计量理论和舰船辐射噪声信号特性,建立了水声信号新的噪声模型,回顾了常规LMS滤波方法,并分析在非高斯噪声下性能退化的原因,提出了一簇基于分数低阶P-范数的LMP水声信号自适应降噪滤波新方法,理论分析和计算机仿真结果表明这种方法在高斯和非高斯(α稳定分布)条件下都具有良好的韧性。
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