物体的振动

系统在振动频率范围（0-30）Hz内进行了模拟实验，测量结果表明其测量曲线能够较好地反映被测物体的振动规律，验证了振动测量系统设计方案的可行性。

Through simulated measuring , the instrument is proved practicable in frequency range of ( 0-30 ) Hz . The result indicates that measuring curve of vibration can reflect the vibration regulation of the object well , and it proves that the scheme of vibration measuring system is practicable .

使用相位共轭光精密测量粗糙面物体的振动振幅

Measurement of Vibration Amplitudes of a Rough Surface Using a Phase-Conjugate Wave

用全息双频光栅测量物体的振动

Vibration measurement of objects by using holographic double-frequency grating

使用有限体积法对流域进行离散，使用移动及可变形的混合网格来考虑物体的振动带来的流域变形。

A vertex-centered , finite-volume discretization is employed on moving and deformable hybrid grids .

实验结果表明：采用本系统可以方便地定量测出物体的振动模态。

The vibration modality can be measured conveniently through this system , and the quality of the measurement result is good .

波动方程是一类重要的双曲型方程，在研究波的传播及其物体的振动问题时会经常遇到波动方程，这些方程的进一步研究对数学物理理论的发展有很大的促进作用。

Wave equation is an important parabolic Partial Differential Equation . It is usually applied to both vibrations and transmission of waves .

同时在连续改变振动物体的振动频率时，可以清晰地观察到物体振动全息干涉图形的变化过程，即近实时的全息干涉图形。

When the vibrating frequency changes continuously , the changing process of the holographic interference patterns of the object is observed clearly , and the near-real time holographic interference patterns are gained .

应用半导体激光自混频干涉技术，测量远距离物体的振动信号，以达到探测声音之目的。

This text is applied from the self mixing interference technology in a diode laser , and measures the vibration signal of distant range body , with the purpose that achieves detection sound .

它是在普通动力减振器上增加控制力矩，根据被减振物体的振动情况，自动调节控制力矩的大小、相位和频率，从而增加了减振作用和有效频率范围。

In accordance with vibration condition of vibrating object , the control system adjusts the phase , frequency and amplitude of the torque automatically , thus enhances its vibration absorbability and widens its effective frequency band .

在平显摄像过程中，常常由于被摄物体的振动或晃动，致使输出的图像序列不稳定，从而给平显图像的后续分析和研究带来困难。

In the process of HUD ( Head Up Display ) photography , due to vibration or shaking of the objects taken , it caused the output of image sequences unsteady and brought the difficulty in the HUD images ' following analysis and research .

光热调制激光波长测量物体的微小振动

Photothermal Modulation of Laser Diode Wavelength for Measuring Microvibrations

该干涉仪可以实时测量物体的微小振动。

It is used to measure micro vibration of an object in real time .

设计了一种半导体激光干涉测量仪，可以实时测量物体的微小振动。

A new laser diode interferometer for micro vibration measurement is proposed . The interferometer can measure micro vibrations of an object in real time .

对两接触物体的粘滑振动进行了详尽的分析，给出了粘滑振动发生的条件。

Analysis of stick slip vibration of two contact bodies is executed in detail based on the dynamics of stick slip systems and principle of non linear friction .

物体的非共振固有振动与谐波共振的区别实验研究

Experiment research of difference between nonresonant natural vibration and harmonic resonance of object

我们能不能通过分析声音在物体上造成的微小振动从视频中逆向重构出声音来呢，重构出原来的声音呢？

Can we actually invert this process and recover sound from video by analyzing the tiny vibrations that sound waves create in objects , and essentially convert those back into the sounds that produced them .

为了实现对复杂三维物体表面轮廓、小空间内物体的纵向位移或振动等测量，有必要研制高分辨力、非接触的光学检测系统。

To achieve the measurement for complicated three-dimensional object surface outline and the longitudinal displacement or vibration of object within a small space , it ′ s necessary to develop optical detection system with high resolution and non-contact .