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1)  Oscillatory coefficients
振动系数
2)  oscillating coefficient
振动系数
1.
In this paper,the author considers neutral delay differential equation with oscillating coefficients [x(t)+p(t)· x(t-τ)]′+Q(t)x(t-σ)=0,t≥0, where Q、p∈c([0,∞),R),τ∈(0,∞),σ∈[0,∞),Q(t)0, eventually.
考虑具有振动系数的中立型时滞微分方程 [x(t)+p(t)x(t-τ(t) ) ]′ +Q(t)x(t-σ) =0 ,t≥ 0 ,其中p、Q∈C([0 ,∞ ) ,R) ,τ∈ (0 ,∞ ) ,σ∈ [0 ,+∞ ) ,Q(t)最终不恒为零。
2.
We study asymptotic behavior of nonoscillatory solutions of the first order neutral differential equation with oscillating coefficient of the form dd t x(t)+R(t)x(t-r) +P(t)x(t-r)-Q(t)x(t- δ) =0where R(t) is oscillatory,and P,Q∈C([t o,∞),R +),r∈(,∞) and r,δ∈R +.
研究了具有振动系数的一阶中立型方程:ddt〔x(t)+R(t)x(t-r)〕+P(t)x(t-r)-Q(t)x(t-δ)=0非振动解的渐近性。
3.
By means of Riccati transformation technique,this paper establishes some criteria which guarantee all bounded solutions either oscillate or converge to zero for a class of second-order neutral Emden-Fowler difference equation with oscillating coefficient,and gives an example to indicate the application of results.
本文运用Riccati变换技术研究一类二阶具有振动系数的中立型Emden-Fowler型时滞差分方程的振动性,给出该类方程所有有界解或者振动或者收敛于零的几个充分条件,并给出一个例子说明本文结果的应用性。
3)  oscillating coefficients
振动系数
1.
The sufficient conditions for oscillatory behaviors of the solutions of first order linear delay differential equation with impulses and with oscillating coefficients are considered.
讨论关于具振动系数的一阶线性脉冲时滞微分方程解的振动性的充分条件。
4)  vibration/modifying coefficient
振动/修正系数
5)  Vibration transmission factor
振动传递系数
6)  vibration sensitivity coefficient
振动灵敏度系数
1.
This paper explores output-spectrum characteristics of SAW VCO SYK801 under vibratory condition;and Introduces the expression of this oscilator s vibration sensitivity coefficient.
介绍了这类型振荡器的振动灵敏度系数的表达式,初步分析影响振动灵敏度系数的主要因素,提出改善振动性能的技术措施。
补充资料:厚度切变振动机电耦合系数
分子式:
CAS号:

性质:表示压电振子厚度切变振动时,机械能与电能之间相互转换的能力,通常用K15表示。可用下式计算求得:式中,ε11T为自由介电常数;ε11S为受夹介电常数。

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