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- The current study is to investigate the relationship between the sound radiation and enclosure vibration by using a laser vibrometer. 利用激光测振仪，测试了箱体振动速度随频率的变化，分析了前几个振动模态的声辐射能力。
- This paper studies the modulation technique and demodulation technique of the self-mixing interference semiconductor laser vibrometer. 本文研究了半导体激光自混合干涉测振仪的调制与解调技术。
- At last, the stability of the laser vibrometer system could be improved by optimizing the placement of anti-shock rubber pads. 优化橡胶减震垫的布局可以提高激光测振仪隔震系统的稳定性。
- The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the 4120SG diesel engine is proposed. 摘要以4120SG柴油机为研究对象，提出基于激光测振的表面振动法测量柴油机辐射噪声。
- Considering the effect of the sound post and the bass bar, the acoustic characteristics of the violin have been studied using the Finite Element Method and the Laser Vibrometer Scanning (LVS) system. 考虑音柱、低音梁对小提琴声学特性的影响,本文利用有限元数值方法和基于激光测振系统的试验方法分析了小提琴结构的动态特性。
- This paper intrdouces how to measure the vibration of the rigid rotor by using digital laser vibrometer,and analyzes the calculation method of the amplitude and angle of the dynamic unbalance. 介绍了采用激光干涉仪测量刚性转子运转时支撑上振动信号的原理,并简要分析了刚性转子动不平衡量的提取和解算技术。
- Laser Vibrometer Controller OFV - 5000 激光测振仪OFV-5000
- laser vibrometer 激光振动计
- Laser Doppler vibrometer (LDV) has a potential application prospect in remote sensing. 激光多普勒振动计在遥感探测方面具有潜在的应用前景。
- Using the way of homodyne coherent detection, a fiber laser Doppler vibrometer is designed and completed. 采用零差的相干探测方式,设计并实现了一套光纤结构的激光多普勒振动计。
- There is no single laser fit for all purposes. 没有单一种激光器能适用于各种用途。
- How does a laser beam vaporize steel? 激光束是怎样使钢气化的?
- Laser beams are also used in surgery. 激光束还可用于外科手术。
- Laser beams may cauterize and heal ulcers. 激光束可以烧灼和愈合溃疡。
- He monopolizes the laser printer. 他独占了这台激光打印机。
- A laser is a device composed a special material. 激光器这种器件是用特殊材料制成的。
- The laser jet printer is out of order. 这台激光打印机不能正常工作了。
- On a lazy laser raiser lies a laser ray eraser. 在一个懒惰的激光器上放了一个激光消除器。
- The price of the laser printer is too high. 这台激光打印机的价格太高了。
- Can doctors use laser to treat my cataract? 医生可否用激光为我治疗白内障?
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
