1) Multi-frequency signal
多频率分量
2) 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。
3) multi-frequency measurement
多频率测量
4) multi-frequency component
多频率成分
1.
In order to explain the advantages of GA identification method compared with spectral identification method and the feasibility of the application to multi-frequency component analysis of building oscillation signal,a set of simulated signal(without noise and with random w.
基于频谱分析的建筑物振动信号的多频率成分分析方法是一种近似方法,其误差较大,为此提出一种基于遗传算法的新方法——GA辨识法。
5) multivariable frequency method
多变量频率法
1.
A comprehensive control system for generator s excitation and speed regulation based on multivariable frequency method;
基于多变量频率法的发电机励磁和调速联合控制系统
6) MCFD
多载波频率分集
1.
The study of FH/MCFD/SSMA wireless communication systems;
跳频/多载波频率分集/扩频多址无线通信系统的研究
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