1) center of gravity of frequency
频率重心
3) HF interference centroid frequency
高频干扰重心频率(ICF)
4) spectrum barycenter
频谱重心
1.
Metallic and nonmetallic particles are categorized by spectrum barycenter defined in frequency domain,and the boundary of classification is determined as 50 kHz in experiments.
采用基于频域特征的材质分类方法,定义了频谱重心,实现了金属与非金属的分类识别,在实验中确定了频谱重心的分类界限是50kHz。
5) repeated frequency
重复频率
1.
This text emphasizes interference probability and signal intensity, repeated frequency and interference power that decide dinterference effect was discussed, and their quantitative range by calculation was gained.
以干扰概率和信号强度作为研究的重点,讨论了决定干扰效果的关键参数——重复频率和干扰功率, 并通过计算得到它们的数量级范围。
6) Repetition frequency
重复频率
1.
Effect of electronic relaxation process on air breakdown caused by repetition frequency HPM
电子弛豫过程对重复频率高功率微波大气击穿的影响
2.
The detection probability calculating method about low pulse repetition frequency(LPRF) PD radar against air vehicle is studied.
提出了低脉冲重复频率(LPRF)PD雷达探测飞行器目标的发现概率计算方法。
3.
range accuracy,repetition frequency, beam divergence angle of laser range-finders is briefly introduced.
简述激光测距机主要参数校准装置的组成,通过对其主要参数(最大测程、最小测程、测距准确度、重复频率、束散角)的校准测量进行详细的不确定度分析,评价激光测距机主要参数校准装置的达标程度。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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