By using averaging method for nonlinear oscillation, internal resonance, primary resonance,and double resonances of the first order approximation solutions and their corresponding steady state solutions of the system are obtained.
应用非线性振动的平均法,求得了系统满足3∶1型内共振、主共振及双重共振条件的解。
According to the method of multiple scales for nonlinear oscillations, the double resonances of magnetism and solid coupling of hydroelectric_generator stator system were investigated.
以双壳系统模型为水轮发电机定子系统的物理模型 ,建立了三相对称稳态运行状态下定子系统的磁固耦合振动方程· 分析了定子系统磁固耦合的双重共振 ,指出其响应具有跳跃现象 ,在某些参数域上有多解共存现
By using the method of averaging for nonlinear oscillation under the conditions ω 2≈2ω 1 and Ω≈ω 2 ,the first approximation solution and its corresponding steady state solution of the double resonance are obtained.
建立了三质量发电机组转子轴系扭振模化系统的数学模型，此模型具有平方非线性并受简谐激励作用，应用非线性振动的改进平均法，求得了系统的固有频率与外激励频率存在双重共振关系ω２≈２ω１且Ω≈ω２时的一次近似解及对应的定常解。
nuclear-electron double resonance spectrometer
核-电子双共振谱仪
electron-nuclear double resonance helix
电子-核子双共振螺旋管
ectron-nuclear double resonance helix
电子核子双共振螺旋管
electron nuclear double resonance spectroscopy
电子-核双共振谱学
High power 2-μm intracavity doubly resonant optical parametric oscillator
高功率腔内双共振2μm光参量振荡器特性研究
two-coil nuclear magnetic resonance spectrometer
双线圈核磁共振波谱仪
Double-headed arrows are used to indicate resonance.
双箭头用来表示共振。
ferroresonant flip-flop
铁磁共振双稳态多谐振荡器
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
Application of bi-stable stochastic resonance theory in weak signal detection;
双稳随机共振在弱信号检测中的应用
UV Resonant Two-Photon Ionization Spectrum of 1-Naphthol
1-萘酚的紫外共振双光子电离光谱
Stochastic Resonance in Bistable Systems, Monostable Systems, Coupled Systems and Chaotic Systems.;
双稳态系统，单稳态系统，耦合振子系和混沌系统的随机共振现象
VIBRATION EQUATION FOR GENERATOR ROTOR IN DUAL RESONANCE CASE WITH UNSYMMETRICAL LOAD;
发电机转子在不对称运行下双重共振振动方程的建立
Stochastic Resonance in Underdamped Harmonic Oscillator with Time Modulated Cross-correlated Dichotomous Noise
周期调制互关联双态噪声驱动欠阻尼谐振子系统的随机共振
The Measures of Output from Bistable Stochastic Resonance Systems;
双稳态随机共振系统的输出的性能衡量
Identify Twins Voice with Formant Relatve Amplitude;
利用共振峰相对强度特性鉴别双胞胎语音
Research of Twin Gradient MRI Imaging Parameters and Clinicial Application
双梯度磁共振成像参数比较及临床应用研究
Compound Nonlinear Effect in Biological Tissues Based on Two-Photon Resonance
基于双光子共振的生物组织的非线性效应