1) surveying frequency
探测频率
1.
For that reason,it should analyze and handle three important parameters of radar work:environmental conductivity,dielectric constant and surveying frequency.
为此,必须分析、掌握雷达工作的三个重要参数:环境电导率、介电常数和探测频率。
3) test frequency
探测频率，测试频率
4) Frequency-synchronous detection technique
频率-同步探测
5) Optimum Detection Frequency Band
最优探测频率
1.
With analyzing the detecting procedure of Low-frequency active sonar and emulating about it, the Optimum Detection Frequency Band of Low-frequency Active Sonar were researched.
本文通过对低频主动声纳的主动声纳方程的分析与声学探测过程的仿真,初步研究了低频主动声纳在不同距离上的最优探测频率问题。
6) frequency sounding at oblique incidence
斜向频率探测
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