激励频率

分别计算了系统随阻尼比和激励频率变化的最大Lyapunov指数图。

The plots of the maximum Lyapunov exponent with respect to the damping ratio and the excitation frequency are given respectively .

齿轮啮合中的摩擦激励频率分析与润滑降噪特性研究

Friction Excitation Frequency Analysis during Gear Meshing and the Reducing Noise Characters Study of Lubrication

采用Runge-Kutta数值方法和MATLAB软件对系统在不同激励频率下的动态响应进行数值仿真。

Runge-Kutta numerical integration algorithm and MATLAB has been employed to simulate the dynamic responses on the different exciting frequency .

分析了激励频率和外加磁场变化对磁阻抗的影响，结果显示，Co基非晶丝的GMI效应在高频的表现优于低频，在其实际应用中，工作频率应在高频。

The result shows that Co-based amorphous wires exhibit better GMI effect at high frequency than at lower frequency . Therefore , in its practical application the operating frequency should be high .

结论：为了提高单通道测量MIT实验系统性能，应适当增加激励频率；精确提取参考线圈电流与测量线圈电流的相位差；

CONCLUSION : To improve the performance of MIT measurement system , we should use higher exciting frequency , accurately acquire phase shift between reference and receiving coils and choose phase sensitive detector of high performance .

研究发现，自耦合射流存在着340和1000Hz两个最佳激励频率；

Experimental results show that there are two resonance frequencies for the actuator of the synthetic jet , 340 Hz and 1 000 Hz .

在激励频率200Hz时，司机室右侧墙对驾驶员右耳处噪声的贡献最大，声学贡献系数为51.8%。

At frequency 200 Hz , the noise contribution of the right side panel of cab is the biggest for the right ear noise of main driver , whose acoustical contribution coefficient is 51.8 % .

处理机匣激励频率对跨声速压气机性能的影响

Effect of exciting frequency of casing treatment on transonic compressor performances

振荡管最佳射流激励频率钳制效应

Clamping Effect on Optimal Pulsing Frequency of Oscillatory Tube

有关因素对振荡管最佳射流激励频率的影响

Influence of some factors on optimal jet flow exciting frequency of oscillatory tube

吸声材料和吸声结构结构声场耦合系统力激励频率响应有限元分析

FE analysis of the frequency responses at force stimulation on vibrated-acoustical coupled system

考虑了取不同模态阶数时，激励频率与识别精度的关系。

With different modal order number , the accuracy changes with different driving frequency .

当变幅激励频率等于系统固有频率时，系统面内外均出现共振现象。

When the frequencies equal to the natural frequency of the system , resonance appears .

得到了一种寻求平稳随机激励频率成分信息的方法。

And the method of getting the frequency components of stationary random excitation is realized .

求解出不同激励频率下，基于最大能量回收的最优负载电阻。

Solve the optimal load resistance based on the maximum energy recovery under different excitation frequency .

然后分析研究其固有频率和激励频率是否符合要求。

Then compare their natural frequency and excitation frequency , Whether they conform to the requirements .

通过算例，分别绘出了主动控制系数、主动控制力、结构物振幅与外激励频率之间的关系曲线。

The curves of active control force and structure amplitude against incentive frequency are plotted respectively by examples .

当放电充满整个间隙时，各等效放电参量在相同激励频率下基本保持在一定值附近。

When discharge is full of discharge gap , each equivalent discharge parameter is around definite numerical value .

通过固有频率和振型的分析预测了振动特性，可以避免外界激励频率和结构的固有频率相同或接近，防止共振。

Through the analysis of natural frequency and vibration mode it can forecast the vibration characteristics to avoid resonance .

通过试验确定了高压输电导线电涡流检测的最佳激励频率。

Through experiment the best eddy current exciting frequency for the detection of the high voltage transmission line is determined .

该法适用于船体板架尺寸、激励频率不易改变的调频情况。

The method can be applied when the size of hull grillage beam and exciting frequencies cannot be easily changed .

利用超声马达的二维解析模型，仿真了激励频率对超声马达输出特性的影响。

The two dimension analytical model of the ultrasonic motor is utilized to investigate the frequency performance of the ultrasonic motor .

当有车频率与激励频率接近或重合时，将引起车桥拍振或共振。

If the excitation frequency is near or coincident with such a frequency , the resonance or beat will be appeared .

分析和探讨温度、外界激励频率及梁类波导吸振器的结构参数等与波导吸振器吸振特性之间的关系；

The numerical simulation and experiment results show that the beam kind wave-guide vibration absorbers possess very good vibration absorbing performance .

同时以外激励频率为参数进行跟踪延续获得系统主共振时的幅频响应特性。

Based on tracing by using external excition frequency as parameter , the frequency amplitude response property of the system in obtained .

通过湿模态分析方法，给出了微球壳的散射率与外激励频率之间的关系曲线。

By wet mode analysis , the dependence of the reflectivity of the shell on the forcing frequency were derived and computed .

通过对船模算例的响应分析，分别对于垂向弯曲振动和弯扭耦合振动，探讨了振动响应随激励频率的变化规律以及沿空间的分布特征。

Through the response analysis of ship models , the variety of response and the distribution of response in space are discussed .

计算中，结合实验结果分析了在不同气流攻角下，激励频率对损失系数、负荷系数、功损比等性能的影响。

Combined with experimental results , the disturbance frequency effect on loss coefficient , load factor , and work-loss ratio was discussed .

结果表明，利用调节激励频率的办法，补偿由于模型畸变带来的声场的畸变是可行的。

Experimental results show that by adjusting the excited frequency compensating the distortion of sound field from distorted model is feasible and successful .

同步稳压产生两倍激励频率纹波频率，因此更容易被低通滤波器去除。

Synchronous rectification produces a ripple frequency twice that of the excitation frequency and thus is easier to remove with a lowpass filter .