mode frequencey

This paper proposed a new algorithm to perform the online determination of the low frequency oscillation modes in large interconnected power system.

提出一种在线判定大规模电力系统低频振荡模式的新方法。

The paper is begun with analyzing the oscillatory condition A·F·>1, and the oscillatory frequency is worked out based on the phase balance condition  A+ F=2nπ.

本文从分析A· F· >1这个起振条件入手 ,依据相位平衡条件A +F =2nπ ,求得振荡频率f0 ;依据 |A· F·| >1,求满足起振条件时所需的晶体管及电路参数值 。

If we introduce the ladder-shaped circuit simple in good time,the oscillating frequency and oscillating condition of RC phase shift oscillating can be w.

目前RC 移相式振荡电路在振荡频率固定且对波形要求不高的一些电子设备中仍占有相当比重。

Theoretical research on equivalent diameter and oscillation frequency of miniature regenerator;

微型回热器等效直径与振荡频率的理论研究

The oscillation frequency only was the function of oscillating tube length, not influenced by the spliter.

振荡频率几乎不受分流劈距的影响 ,它只是振荡管长的函数。

Based on Matlab image processing tool,this paper provides a new method of getting the flame oscillation frequency by applying fast Fourier transform to time variation of image correlation coefficients of a continuous image sequences.

振荡频率是燃烧火焰的一个重要基本参数,利用Matlab图像分析工具,分析了连续火焰图像序列的相关性,并对图像相关系数随时间的变化过程进行快速傅里叶变换,从而提取出火焰的振荡频率。

By analyzing the relation between the self oscillation frequency and the system frequency response, the relation between the precision of the harmonic linearization and the frequency ratio of the input signal and self oscillation signal, a method to design the self oscillation frequency is brought forward.

从小型战术导弹总体设计的角度阐述了一种继电控制冲压式伺服系统的自振荡频率的工程分析和设计方法 。

Power System Oscillation Modes Estimation Based on Ambient Signals Considering Model Order Selection

计及模型定阶的低频振荡模式类噪声信号辨识

Research on Mode Analysis and Damping Characteristic of Low Frequency Oscillation in Power Syatem;

电力系统低频振荡模式分析和阻尼特性研究

Detection of the Dominant Inertial Modes Based on Wavelet Energy Coefficient

基于小波能量系数的主导低频振荡模式检测

The influence of tie-line power flow on low-frequency mode in interconnected power system

联络线潮流对互联电网低频振荡模式的影响

Identification of Power System Low Frequency Oscillation Mode Based on Improved Prony Algorithm

基于改进Prony算法的电力系统低频振荡模式识别

Low Frequency Oscillation Mode Determination Based on Relative Phases of the Tie-line Active Powers

利用联络线功率相对相位判定低频振荡模式

Research on Low-frequency Oscillation Model Recognition of Power System Based on Frequency-Domain Decoupling and Reducing-order Model;

基于频域解耦模型的电力系统低频振荡模式分类方法研究

Mode Identification of Power System Low Frequency Oscillation Based on Signal Energy Analysis;

基于信号能量分析的电力系统低频振荡模式识别

Impacts of Main Power Plants in Zhejiang on Low Frequency Oscillation Modes of East China Power Grid

浙江主力发电机组对华东电网低频振荡模式的影响研究

Detection Method of Dominant Low-frequency Oscillation Modes in Regional Power Grid

区域电网低频振荡主导模式的检测方法

Study of low-frequency oscillation for East China Power Grid of 2010

华东电网2010年度方式低频振荡预研究

This firmly establishes the nature of the oscillations as low acoustic eigenmodes of the subphotospheric layers.

这就确凿地证实了振荡的本质是次光球层的低频声波本征模式。

electromechanical low-frequency control oscillator

机电低频控制振荡器

Identification of Low-Frequency Oscillations Modes Based on Fuzzy Clustering and Dynamic Partition;

基于模糊聚类与动态分割的低频振荡信息辨识

Tentative application of operational modal analysis in identifying power systems low frequency oscillations

工况模态分析在低频振荡辨识中的应用初探

multivibrator frequency modulator

多谐振荡器式调频器

The Longitudinal Distribution of Atmospheric Low-frequency Oscillations in Middle-High Latitude and the Impacts Affected by ENSO Events;

中高纬低频振荡的经向分布特征及ENSO事件对低频振荡的影响

Numerical Simulation and Experiment Investigations on Low Frequency Oscillations of Stationary Plasma Thruste;

稳态等离子推进器低频振荡的数值模拟及实验研究