sum frequency generation

用法例句

Research on low-frequency oscillation of Hunan power system under inter-connected state power gird;

全国联网条件下湖南电网低频振荡的研究

Select swing curve to distill low-frequency oscillation information;

选择合适的曲线提取低频振荡信息

Load characteristics effect on low-frequency oscillation damping of power systems;

负荷特性对电力系统低频振荡阻尼的影响

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 。

According to high frequency oscillation warform collected using on-line monitoring when accident taken place at short range.

依据在线监测采集到的系统近区故障时的高频振荡波形 ,结合计算结果进行了分析研究 ,提出了事故原因的看法 ,给出了相关结

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。

It is demonstrated by digital simulation that the theoretical analysis results are correct and the UPQC based on the compensation control strategy can cause high frequency resonance.

H提出的补偿控制策略,分析了系统的稳态特性和跟踪特性,发现该补偿控制策略容易引起系统的高频振荡,仿真结果进一步证明分析结果的正确性。

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

Research of On-line Early-warning System on Low-frequency Oscillation in Power System;

电力系统低频振荡在线预警系统研究

The Application of the Prony Method in Restraint the Low Frequency Oscillation of Power System;

PRONY在电力系统低频振荡控制中的应用

The Study of Damping of Power System Low Frequency Oscillations by Unified Power Flow Controller;

统一潮流控制器抑制低频振荡的研究

Analysis and Study of Low-frequency Oscillations Based on Wide-area Measurements in Power Systems;

基于广域测量的低频振荡分析与研究

An Investigation of the STATCOM-SMES in Damping Low Frequency Oscillations in Power Systems;

STATCOM-SMES阻尼电力系统低频振荡的研究

The Study of Interaction and Coordination between PSS and TCSC in Damping Osciliations;

PSS和TCSC抑制低频振荡交互及协调研究

The Research of PSS on Damping Lower Frequency Oscillation in the Power System;

PSS在抑制电力系统低频振荡上的研究

Analysis for Effection of Restrain of SVC on Low Frequency Osillation of Electric Power System

SVC抑制电力系统低频振荡的分析

Application and outlook of RTDS in the study of suppressing low-frequency oscillation

RTDS在抑制低频振荡研究中的应用

Mechanism Analysis of Low-frequency Oscillation Based on WAMS Measured Data

基于WAMS量测数据的低频振荡机理分析

Prospect and State of Study on Power System Low Frequency Oscillation and the Prospect

电力系统低频振荡的研究现状和展望

Research on the Control Strategy for Turbine on Low-frequency Oscillation

电网低频振荡时汽轮机控制策略研究

Analysis on Low Frequency Oscillation and PSS Parameters in China Southern Power Grid

南方电网低频振荡问题及PSS参数分析

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

Restraining low frequency oscillation of UHV power grid using PSS and SVC

PSS和SVC联合抑制特高压网络低频振荡

Simulation of Regional Low Frequency Oscillation Based on Data Measured by WAMS of Central China Power Grid

华中电网WAMS实测区域低频振荡仿真

Wide-area Prony analysis of low frequency oscillation in interconnected power system

互联电力系统低频振荡的广域Prony分析