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固有频率     
相关语句
  natural frequency
    From the response curve, the dynamic performance indexes are obtained, including the natural frequency and damping ratio.
    用冲击响应法和阶跃响应法对腕力传感器进行了动态标定,计算出了传感器的固有频率和阻尼比等动态性能指标;
短句来源
    The initial fourth order natural frequency was obtained through natural vibration analysis.
    通过固有振动特性分析,得到振动系统的前4阶固有频率;
短句来源
    Utilizing the dynamics simulative software ADAMS to carry out computations on the dynamic response,driving moment and natural frequency of the robot,in view of the above the optimization was carried out on the structural parameters of the robot.
    利用动力学仿真软件ADAMS对机器人的动态响应、驱动力矩和固有频率进行了计算,据此对机器人的结构参数进行了优化。
短句来源
    Finally the effectiveness and accuracy of the optimization design were verified by means of the results of test on natural frequency and experiment on dynamic response.
    最后通过固有频率测试和动态响应实验结果验证了优化设计的有效性和准确性。
短句来源
    Finally,the natural frequency of the torque sensor was obtained using the impact response method. Test results show that its natural frequency is greater than 12 kHz,which meets the design requirements.
    最后采用冲击响应法对该扭矩传感器固有频率进行了测量,结果表明传感器的固有频率大于12kHz,满足设计要求。
短句来源
更多       
  inherent frequency
    Application of Object-Oriented Technology to the Programming of Inherent Frequency Calculation
    面向对象技术在设计固有频率求解程序中的应用
短句来源
    First, the stir and supple degree matrix equation of the whole structure is established through the boundary element method, then the inherent frequency and vibration property is deduced and the dynamic performance of the whole set is analysized and three schemes are compared using dynamic characteristic software that is opened up in our laboratory.
    根据工作空间和操作对象形体和重量的实际需要,结合串、并联机器人机构的特点、要求,提出一种五自由度串联装配机器人方案,首先用边界元方法,建立了机器人整机结构的动柔度矩阵方程,推导出机器人整机结构的固有频率和振型特性,并利用动态特性软件,对其整机结构动态性能进行了分析及三种方案的比较分析;
短句来源
    In the paper the method of predicting the inherent frequency of structure system of radar by means of neural networks is presented,which can be extend to the field of design of mechanical system.
    文中以雷达的结构系统固有频率预测为例,提出运用神经网络对机械结构系统特性进行预测的方法。 本文的主旨在于推介在机械系统设计的方案设计过程中,应用神经网络方法进行系统特性预测的方法。
短句来源
    The prototype of the 6-DOF force/torque sensor on the Steward platform is modeled by PRO/E. And the static performance and dynamic performance of the sensor have been studied by using the FEM software-ANSYS. The inherent frequency is also acquired.
    应用大型工程制图软件PRO/E建立了整体预紧式六维力传感器的空间结构模型,并应用大型有限元分析软件ANSYS对该六维力传感器的静力和动态特性进行了分析,得到了六维力传感器的固有频率
短句来源
    With the theoretical analysis, it advances the relationship between the applied voltage and displace of square PZT composite thin plates, the relationship between thickness and displace of composite thin plates, also the relationship between thickness and inherent frequency of composite thin plates, Which providing reference for further comparing and analysing the theory and experiment of MEMS devices with square silicon cup.
    通过理论分析给出方形PZT复合薄板的驱动电压与挠度、复合薄板的厚度与挠度,复合薄板厚度与固有频率的关系,为方形硅杯结构微系统器件的理论与实验的进一步比较分析提供了参考依据。
短句来源
更多       
  natural frequencies
    THE NATURAL FREQUENCIES ANALYSIS FOR STEWART TRANSDUCER RASED ON THE KANE's METHOD
    基于Kane方法的Stewart传感器动力学及固有频率分析
短句来源
    Seven anti-shock models with different structure for the acoustic sensor have been designed, and six of them are traditinal models, whose natural frequencies are 10 ~1 Hz, which is in the range of vibration signal scope limitation10 ~1 Hz , and can easily lead to resonance vibration.
    本文设计七种隔震封装模型,其中六种传统隔震封装模型的固有频率范围为10 ~10 Hz,在传感器探测信号频率范围内(10~3 ~10~4 Hz),容易产生共振。
短句来源
    The natural frequencies of the innovative double J-like anti-shock packaging model (10 ~ Hz) is far less than the traditional models with the same material parameters.
    在材料参数相同的条件下,新颖双J 形隔震封装模型的固有频率(10~2~10~4Hz)远低于传统的隔震封装模型的固有频率
短句来源
    The top three natural frequencies and their relative oscillating modes have been worked out by modal analyses. Left-right mode, f1=20.109Hz;
    模态分析得出模型的前三阶固有频率的值及其对应的振动模式:f1=20.109Hz,左右振动;
短句来源
    Moreover the equations of the natural frequencies for the Stewart transducer were obtained by simplifying the equations of kinematics and dynamics.
    依据矢量和张量理论对其运动学方程和动力学方程进行系统的推导,并经过简化导出Stewart传感器简洁的固有频率方程形式.
短句来源
更多       
  resonant frequency
    Testing Resonant Frequency of Atomic Force Microscope Force Sensors by Astigmatic Method
    用象散法测试原子力显微镜力传感器的固有频率
短句来源
    The force sensor, composed of cantilever with integrated tip, is a crucial component of AFM, and its resonant frequency is a main technical parameter.
    由悬臂梁与探针集成的力传感器是原子力显微镜的一个关键部件,而固有频率是其一个主要技术参数.
短句来源
    In this paper, the principle,con-stitution, and operation of the testing system for the resonant frequency of the force sensor are presented.
    本文介绍了一种采用光学象散原理测试原子力显微镜的力传感器固有频率测试系统的原理、组成和测试方法.
短句来源
    Based on the calculation of sensitivity and basic resonant frequency of two kinds of bulk micromachining accelerometers, the structure parameters of cantilever and doublesidesupported accelerometer have been optimized by using the sensitivityfrequency product as the figure of merit of the structures.
    在对四梁结构及悬臂梁结构加速度计灵敏度及固有频率进行分析的基础上,用灵敏度频率积取优值的方法进行加速度计的结构参数优化。
短句来源
    And the high sensitivity is attained by adjusting the AC modulation frequency to the intrinsic resonant frequency of the system which consists of the magnetostrictive material and the fiber arms, and by employing a combination formed by magnetostrictive materials in different lengths to broaden the bandwidth of the resonant curve.
    为了提高传感器的灵敏度 ,把传感器的调制频率设定在由 MT和光纤传感臂组成的系统的固有频率上 ,并且采用不同长度的 MT的组合来加宽此谐振频率的带宽 ,使得系统的固有频率在随温度变化时 ,传感器仍有较好的稳定性 . 作者研制成功的光纤弱磁场传感器既有较高的灵敏度 (8× 10 - 3A/ m) ,又有较好的稳定性
短句来源
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  natural frequency
This study investigated the dynamic modulus of elasticity (DMOE) of wood panels of Fraxinus mandshurica, Pinus koraiensis, and Juglans mandshurica using the natural frequency measurement system of fast Fourier transform (FFT).
      
The natural frequency reached 1.201-kHz using finite element analysis, and the practice measurement result was 1-kHz.
      
Using the differentials of a stiffness matrix to design parameters, a method for calculating the sensitivity of natural frequency is presented.
      
Through the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragm vibration shape and amplitude-frequency relationship are obtained.
      
The natural frequency of the system was less than that of the structure on rigid foundation if the SSI is not taken into account, while its damping ratio was larger than that of the structure.
      
更多          
  inherent frequency
Code combining is used to exploit the multiple signal copies resulting from the inherent frequency diversity of spread spectrum.
      
Even though the gain due to selection in frequency selective channels is reduced compared to that in flat fading channels due to the inherent frequency diversity, the performance improvement is significant when the system is interference limited.
      
Each device operates at some inherent frequency, with wide variation among devices.
      
The windowing helps by reducing the inherent frequency broadening of each interferer caused by the finite duration of the FFT.
      
  natural frequencies
The forward problem is to solve the natural frequencies through a cracked structural model and the inverse problem is to quantitatively determine the crack parameters using the experimental testing frequencies.
      
Contour plots of normalized crack location versus normalized crack size were plotted by using the first three natural frequencies as the inputs.
      
The estimations of natural frequencies and damping coefficients of the platform found as a result of data processing of microacceleration measurements made during its free oscillations are obtained.
      
Determining the natural frequencies of fluid oscillations in complex pipelines
      
Below we formulate the problem of the natural frequencies of small oscillations of a liquid for the general case of an equilibrium liquid surface in a weak potential mass force field.
      
更多          
  resonant frequency
The simulated results show that FSS may operate in different bands and especially generate a large reduction in the resonant frequency for a fixed unit cell size through different loadings.
      
Because of coupling of the mechanical and magnetic effects, coupled magnetoacoustic oscillations of a wave nature develop in a certain (resonant) frequency region.
      
It is found that such a system possesses a rather interesting nontrivial property: under certain conditions it has a resonant frequency at which the rotation of the particles relative to the fluid is most intense.
      
The dependence of the resonant frequency on the tube length is investigated.
      
The technique involves measuring the resonant frequency and Q factor of a microwave cavity containing a poly-Si specimen, on which basis the relative permittivity εr and the dissipation factor tanδ are calculated.
      
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