1) 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。
2) frequency component
频率成分
1.
The relationship among frequency components of multi-tone, perceptual cepstrum distance and subjective evaluation is studied for different frequency response curves through theoretical calculations and subjective experiments.
通过理论计算和主观实验,研究了多频声频率成分在不同频响曲线下与感知倒谱距离和主观评价之间的关系。
2.
Conventional methods which stimulate seismic records cannot increase frequency components and improve signal-to-noise ratio at the same time.
常规方法产生的地震记录难以在提高记录频率成分的同时提高记录的信噪比。
3) Multi-frequency signal
多频率分量
4) multi-frequency compound signal
多频率合成信号
1.
According to analysis the non-linear distortion caused when a multi-frequency compound signal is put into a non-linear element,the reducing non-linear distortion theory based on optimizing the input signal envelop is deduced.
基于对多频率合成信号通过非线性器件产生非线性失真的分析,推导了通过优化输入信号包络减小非线性失真的理论,并提出了实现输入信号包络优化的快速初相搜索算法,对使用该方法进行输入信号包络优化前后的非线性失真进行了仿真比较,结果表明对输入信号使用快速初相搜索算法优化后可以减小非线性失真。
5) multi-frequency component analysis
多频成分分析
6) component frequency
部分频率，组成频率
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