根据弹性薄板理论和振动理论，运用边界元法(BEM)分析了薄板弯曲自由振动的频率特性。
According to the elastic thin plate theory and vibration theory, a boundary element method (BEM) was used to analyze the frequency characteristics of a thin plate in lateral free vibration.
介绍了接触电位差法固定探头式无损探伤装置的结构，工作原理，测量电路及其频率特性。
The structure, working principle, measuring circuit and frequency characteristics of contact potential difference nondestructive testing equipment using fixed probe am intro - duced.
本文通过分析放大器瞬态特性和频率特性的关系，提出用瞬态测试法对放大器频率特性进行调试的方法。
In this paper, author analysis the relation between transient characteristic and frequency characteristic, and a method regulating frequency characteristic of amplifier is put for-wand.
利用超声频谱分析法对换能器进行频率特性分析，找出适合检测的最佳状态。
Spectrum feature analysis of the transducer apparatus is also conducted with this approach and thus achieves the best testing status.
本文提出了一种新的复杂散射体雷达散射截面(RCS)的分析方法——频率特性外推法。
A new method for analyzing the Radar Cross Section (RCS) of a complex scatterer is put forward in the paper, which is a method of frequency characteristic extrapolating.
利用少数具有频率特性的点据分析其统计规律需进行线型拟合，针对点据少、频率标准不确定的特点可采取拟合统计参数法。
It is necessary to draw appropriate line type for analyzing statistics parameters with limited frequency data. It is possible to estimate statistics parameters with limited uncertain frequency data.
利用少数具有频率特性的点据分析其统计规律需进行线型拟合，针对点据少、频率标准不确定的特点可采取拟合统计参数法。
It is necessary to draw appropriate line type for analyzing statistics parameters with limited frequency data. It is possible to estimate statistics parameters with limited uncertain frequency data.
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