次谐波共振,subharmonic resonance
1)subharmonic resonance次谐波共振
1.Attention is focused on the superhamonic andsubharmonic resonances.本文采用改进的L -P法研究梁的强非线性振动 ,分析了超谐波共振和次谐波共振两种情况。
2.The crack will lead to thesubharmonic resonance responses when the rotational speed is near the 1/2 or 2/3 of the critical speed.发现裂纹会导致响应在1/2和2/3倍临界转速附近出现次谐波共振现象,在这些转速下系统响应出现了次谐波和高次谐波分量,如1/2倍频、3/2倍频、2倍频、3倍频和4倍频分量,并导致这些转速下振幅急剧增大,影响转子的稳定运转。
3.Some numerical examples are presented to demonstrate the effects of speed pulsation and the nonlinearity in the first twosubharmonic resonances.应用Liapunov线性化稳定性理论,导出次谐波共振时零解与非零解的不稳定条件。
2)subharmonic resonance次调和共振，次谐波共振，分谐波共振
3)Higher-harmonic resonance vibration高次谐波共振
4)1/3 sub-harmonic resonance1/3次谐波共振
5)sub-harmonic parametric resonance次谐波参数共振
1.In the analysis of the parametric resonances of beams with pulsating axial force, we take four boundary conditions to determine and analyze the regions of stability ofsub-harmonic parametric resonances of the second mode.在分析与探讨脉动轴向力作用下梁的参数共振问题时,本文取四种边界条件来分析第二阶次谐波参数共振的稳定区域,确定了零解与非零解的稳定性。
6)subharmonic resonance次谐共振
1.Subharmonic resonance analysis of a francis turbine-generator unit混流式水轮发电机组主轴系统次谐共振分析
2.The energy-iteration method for strongly non-linear autonomous system was modified to deal with strongly non-linear non-autonomous system, and the modified new method was developed, the analytic expressions of solution of primary resonance and superharmonic andsubharmonic resonance.研究了在横向动载荷作用下存在轴向力的一类梁的强非线性振动;建立了梁振动的二阶强非线性非自治微分方程,并对求解强非线性自治系统的能量迭代法加以改进,用于求解梁的强非线性非自治系统,其方法是:由能量法得到主共振、超谐共振和次谐共振的一次近似解的表达式;引入牛顿迭代的思想和最小二乘法,得到高次近似解的表达式。
3.Based on the condition, the stability boundaries are obtained in the cases ofsubharmonic resonance and conbination resonance.利用该条件得到了次谐共振和组合共振的稳定边界。
英文短句/例句
1.Subharmonic resonance analysis of a francis turbine-generator unit混流式水轮发电机组主轴系统次谐共振分析
2.1/3 Subharmonic Resonance of Double Mass Torsional Vibration System;双质量扭振系统的1/3次亚谐共振
3.Hertz resonator赫兹共振器赫兹谐振器
4.The 1/2 subharmonic resonance and primary parametric resonance of inclined beam subjected to harmonic excitation in temperature field;温度场中斜梁受简谐激励的1/2次亚谐-主参数共振
5.1/3 Subharmonic Resonance of a Thin Rectangular Plate on Nonlinear Foundation in Temperature Field;温度场中非线性弹性地基上矩形薄板的1/3次亚谐共振
6.Study on 1/3 Subharmonic Resonance and Chaos of a Rectangular Thin Plate with Four Sides Free on the Winkler Foundation;Winkler地基上四边自由矩形薄板的1/3次亚谐共振与混沌分析
7.Hyperharmonic Resonance of a Van Der Pol-Duffing System Under the Harmonic Force;在简谐力作用下vanderPol-Duffing系统的超谐共振
8.ferroresonant flip-flop铁磁共振双稳态多谐振荡器
9.Matching research of resonant PDE"s resonator and jet共振型PDE谐振腔喷嘴匹配关系研究
10.PRIMARY RESONANCE AND PRIMARY PARAMETRIC RESONANCE OF CURRENT-CARRYING CONDUCTOR SUBJECTED TO HARMONIC EXCITATION受简谐激励载流导线的主共振—主参数共振
11.Simulation Study on High-Order Harmonic Resonance in Traction Power Supply System of High-Speed Railway高速铁路牵引供电系统高次谐波谐振仿真研究
12.Torsional Vibration Analysis of Turbo-Generator Shaft by Electrical Grid Sub-synchronous;电网次同步谐振下汽轮发电机组轴系扭振分析
13.The Simulation Study on Damping the Low Frequency Oscillation and SSR with TCSC;TCSC抑制系统低频振荡与次同步谐振的仿真研究
14.STUDY ON SUBHARMONIC RESONANT OF MASS-LOADED STRING IN TEMPERATURE FIELD系物弦在温度场中受简谐激励的亚谐共振研究
15.Numerical Simulations for the Operation Process of the Self-Suck Resonate PDE自吸气共振型PDE谐振腔内工作过程数值模拟
16.Analysis and Suppression Study of Subsynchronous Resonance in Power Systems;电力系统次同步谐振分析与抑制研究
17.Parameter Detection and Suppress of SSR Using HHT基于HHT的次同步谐振参数检测及抑制
18.Research on impact of TCSC on sub-synchronous resonance of power systemTCSC对电力系统次同步谐振的影响
相关短句/例句
subharmonic resonance次调和共振，次谐波共振，分谐波共振
3)Higher-harmonic resonance vibration高次谐波共振
4)1/3 sub-harmonic resonance1/3次谐波共振
5)sub-harmonic parametric resonance次谐波参数共振
1.In the analysis of the parametric resonances of beams with pulsating axial force, we take four boundary conditions to determine and analyze the regions of stability ofsub-harmonic parametric resonances of the second mode.在分析与探讨脉动轴向力作用下梁的参数共振问题时,本文取四种边界条件来分析第二阶次谐波参数共振的稳定区域,确定了零解与非零解的稳定性。
6)subharmonic resonance次谐共振
1.Subharmonic resonance analysis of a francis turbine-generator unit混流式水轮发电机组主轴系统次谐共振分析
2.The energy-iteration method for strongly non-linear autonomous system was modified to deal with strongly non-linear non-autonomous system, and the modified new method was developed, the analytic expressions of solution of primary resonance and superharmonic andsubharmonic resonance.研究了在横向动载荷作用下存在轴向力的一类梁的强非线性振动;建立了梁振动的二阶强非线性非自治微分方程,并对求解强非线性自治系统的能量迭代法加以改进,用于求解梁的强非线性非自治系统,其方法是:由能量法得到主共振、超谐共振和次谐共振的一次近似解的表达式;引入牛顿迭代的思想和最小二乘法,得到高次近似解的表达式。
3.Based on the condition, the stability boundaries are obtained in the cases ofsubharmonic resonance and conbination resonance.利用该条件得到了次谐共振和组合共振的稳定边界。
延伸阅读
电力牵引高次谐波电力牵引高次谐波harmonics of electric tractiond Ionl一qlony旧gooe}x{ebo电j]牵引高次谐波(harmonies of eleetrietraction)整流式交流电力机车在整流过程中将引起交流侧电流、电压波形畸变，按傅立叶级数分析该畸变波形可分解成频率为基波频率整数倍的一系列高次谐波分量的叠加。高次谐波电流、电压可引起下列不良影响:(1)对通信线产生杂音干扰影响;(2)引起电力系统中其他电力电容器设备的过负荷;(3)当电气化铁路负荷某次谐波电流频率与电力系统自身谐振频率相近时，可产生电流谐振，使该次谐波电流在电力系统中放大，危及电力系统安全运行;(4)使旋转电机、变压器、电力电缆的出力减少并产生过热，影响电气设备寿命;(5)造成继电保护误动或仪表读数误差;(6)使半导体开关元件换相失灵。为限制谙波的危害，各国都规定了允许谐波含量的标准(见供电质童)。为降低电力牵引负荷产生的谐波，在电力牵引变电所和电力机车中可装设由电容、电感组成的谐波吸收装置。交流一直流一交流电力机车利用电力电子技术，可实现低谐波分量的负荷特性，使谐波含量降低。
