Laser Doppler vibrometer

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  • Elastic Wave Filtering Properties Of Graded Undulated Lattices Lab Report

    765 Words  | 4 Pages

    strong wave attenuation over a broad frequency range. The experimental investigation of wave transmission and the detection of full wavefields effectively illustrate this behavior. Transmission measurements are conducted using a scanning laser Doppler vibrometer, while a dedicated digital image correlation procedure is implemented to capture in-plane wave motion at selected frequencies.

  • An Analysis of Vibration

    2299 Words  | 9 Pages

    An oscillating motion of a particle or body about a reference point which is fixed is known as vibration. This motion is sinusoidal i.e., simple harmonic or otherwise non sinusoidal i.e., complex. This can occur in different modes as translational or bending modes and, since the vibration can occur in more modes at a time, vibration analysis is very much difficult. Units of vibration The units of vibration depend on the vibrational parameter as follows: • Acceleration in units of m/s2. • Velocity

  • Pinnniped Vibrissae

    545 Words  | 3 Pages

    Summary of “Effect of Angle on Flow-Induced Vibrations of Pinniped Vibrissae” * In the article “Effect of Angle on Flow-Induced Vibrations of Pinniped Vibrissae,” there are two types of epidermal keratinous structures which upon introduction to water flow manipulate the way the vibrissae behave: undulated and smooth. These vibrissae exist among pinnipeds: the furrowed undulated structure which exhibits among the majority of true seals (with the exception of the bearded and monk seals) and the smooth

  • Invasive Species Report

    1331 Words  | 6 Pages

    1. Introduction According to the National Invasive Species Council (NISC), invasive species include plants, animals, or pathogens that are non-native (or alien) to the ecosystem under consideration and whose introduction causes or is likely to cause harm. These non-native species are a leading cause of biodiversity loss. The total economic impact caused by invasive species is substantial. It is estimated that plants alone result in two to three billion dollars in crop loss each year. In 2013, the

  • Computer Science Reflection

    807 Words  | 4 Pages

    My undergraduate major is measurement, and I have spent the last three years learning about optics, mechanics, electric circuits, and coding. Among those courses, and following three-years of training including pieces of research and coursework, I have realized that I am enamored with coding the most. First of all, I enjoy the process of coding and verifying and adjusting the program. Taking my digital signal processor coursework as an example, after I finished writing the code, it appeared that

  • Biomechanics Of The Tympanic Membrane

    2160 Words  | 9 Pages

    Darisha Jhutty April 27, 2015 BIOE 154: Introduction to Biomechanics Professor Norman Biomechanics of the Tympanic Membrane Background: Over the past years, bioengineers have applied different methods for modelling the human ear. The human ear is an intricate biomechanical system with its primary function to sound perception and reception. The ear is divided into 3 main components, each with its own unique functions: the outer ear (pinna), the middle ear, and the inner ear. The outer ear, or

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