1) frequency identification
频率辨识
1.
Based on non-contact vibration measuring technique of blade tip-timing, "5 + 2" scheme of doublesam-pling rates is adoped to solve the under-sampling problem of asynchronous blade vibration, and by using frequency identification , blade s real vibration can be picked up.
基于非接触式叶尖定时测振原理,针对叶片异步振动的欠采样问题,采用"5+2"双采样速率方案进行采样,通过频率辨识技术来获得叶片的真实振动。
2) Distortion Frequency Identification
失真频率辨识
3) frequency response identification
频率响应辨识
4) time_varying modolfrequency identification
时变模态频率辨识
5) Radio Frequency Identification
无线电波频率辨识
6) frequency domain identification
频域辨识
1.
The main contributions include the design of avionics system based on PC104, the software design based on the client/server architecture, and the modeling of helicopter dynamics based on the frequency sweep and frequency domain identification.
首先,改造了直升机结构,设计了飞控电子设备和基于客户/服务模式的飞控软件和地面站软件;其次,利用扫频数据进行频域辨识,建立了直升机姿态通道的动力学模型;最后,设计了飞行控制律,实现了在悬停和低速下的全自主飞行。
2.
A reduced order model of a flexible plate is derived by frequency domain identification, and then a robust H∞ feedback controller is designed.
以柔性板为例,通过频域辨识的方法,得到了其振动系统的降阶模型,然后利用鲁棒H∞控制方法设计了反馈控制器。
3.
It is shown that an effective control-oriented model for flexible system can be obtained by frequency domain identification.
论文将有限元建模与面向控制的频域辨识结合起来应用于挠性结构振动主动控制的建模中 ,并对辨识的输入信号进行分析研究 。
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