The intermodulation distortion and envelope domain characterization technology are very important concepts of LSNA technology.
而互调失真表征技术和包络域表征技术是其中非常重要的概念。
A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elastic layers, such as: the sound velocity, thickness and density.
本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。
We give a new characterization of weakly primary rings with identity and conditions that a weakly primary domain is a valuation ring or quasi-valuation ring.
本文给出了有单位元的弱准素环的一个新刻划并给出了弱准素整环是拟赋值环或赋值环的条件。
This article reviews recent advances in the characterization of members of the LIM protein family, their biology roles, LIM domain binding protein and the function in heart development.
本文介绍LIM蛋白家族的分类与功能、LIM蛋白及其与其他蛋白之间的相互作用，以及LIM蛋白在心血管系统中的作用。
In this paper, the structural characterization of linear multivariable time-invariant systems without steady or structurally steady errors are demonstrated in the frequency domain.
本文用频域方法讨论了无静差和结构无静差系统的结构特征。
In this paper, the structural characterization of linear multivariable time-invariant systems without steady or structurally steady errors are demonstrated in the frequency domain.
本文用频域方法讨论了无静差和结构无静差系统的结构特征。
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