1) frequency
[英]['fri:kwənsi] [美]['frikwənsɪ]
频率量
1.
This paper introduces the way of measuring the cycle of frequency by making use of timer in the single-chip microcomputer to collect the parameters of frequency.
针对低频频率量,介绍了利用单片机的片内定时器,采用测周法实现频率量采集的方法。
2) frequency measuring
频率测量
1.
A new scheme of frequency measuring and signal automatic following was proposed.
提出了一种基于AD9850的高频信号频率测量与信号跟踪方案,介绍了芯片AD9850的基本工作原理及性能特点,给出了基于AD9850的信号自动跟踪测量系统的硬件结构框图,并进行了分析说明。
2.
This paper presents a useful method for frequency measuring.
频率是电力系统中一个十分重要的特征量,频率测量是电力系统测量装置中十分重要的环节。
3.
The paper introduces the equal-precision frequency measuring principle, applied circuit and software design for sinlge-chip microcomputer AT89C51,char acterizde as wide-range and high-precision of frequency measuring.
介绍单片机应用系统中的频率测量方法,其特点是在不需要复杂的传统等精度频率测量控制的情况下,利用单片机的自身特性,实现宽范围内实用、简单而且精度较高的等精度频率测量。
3) frequency measurement
频率计量
5) frequency measurement
频率测量
1.
High-accuracy frequency measurement scheme and its implementation;
高精度频率测量技术及其实现
2.
Development of a new power system frequency measurement and alarm system;
一种新的频率测量与报警系统的研制
3.
Digital Frequency Measurement Based on CPLD;
CPLD在数字频率测量中的应用
6) frequency component
频率分量
1.
The spectral density function was used to distinguish the main frequency components of each indicator.
在建立房地产市场供给类和需求类指标体系的基础上,通过因子分析提取主成分,进而确定两类合成指标;利用谱密度函数来分析合成指标的各主要频率分量,根据谱峰值对合成指标分别进行周期识别。
2.
A Resolution of non-sinusoidal current circuit power frequency is carried out based on the sinusoidal current circuit power frequency theory and the resoluted each frequency component is compared with that of the sinusoidal current circuit s transient frequency.
根据正弦电流电路功率理论的思想，对非正弦周期电流电路功率分量进行分解，将分解后的各频率分量与正弦电流电路瞬时功率各分量比较，分解的分量与正弦电流电路无功功率脉动分量相同性质分量定义为各次频率无功功率脉动分量，同时根据正弦电流电路无功功率的定义思想，定义了各频率无功功率。
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