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  • Machine Vibration Monitoring Analyzes Equipment for Condition and Fault Diagnosis
    of vibration sensors undergo unfiltered processing within frequency spectra ranging from 0 to 50,000 Hz. Excitation frequencies can then be determined to enable process optimization, effective condition monitoring, and fault diagnosis.
  • Vibration Condition Monitoring Using Your Android Phone
    Ever been lying on the beach and begun to wonder about the state of your LP turbines. Or out on business and anxious to know if that troublesome exciter bearing has settled down? Well with a Prosig PROTOR system and a smartphone anything's possible.
  • Efficient Implementation of Random Pressure Fields with the Finite Element Method
    An efficient technique is developed for use with the finite element method for the vibration prediction of structures subjected to random, spatially distributed excitation pressure fields. User input to the finite element code and computation time are minimized by taking advantage of reciprocity
  • Air-Coupled Acoustics: Sound PAT for Tablet Characterization
    set-up and the tablet mounting apparatus for acquiring transient responses of tablets and the image of the bottom excitation configuration with a vacuum wand holding the tablet in place are depicted in Fig. 2a and b. The first step of the characterization procedure is to determine a set of vibrational
  • Fluorescence Depolarization Measurement of Liposomes
    Fluorescence depolarization or fluorescence anisotropy can be observed when a fluorophore emits light of different intensities depending on the axes of polarization. When a molecule is excited by the absorption of light from its ground state to a transition state and relaxes to a stable vibrational
  • Impulse Techniques for Structural Frequency Response Testing
    , such as fatigue, vibration, and noise. This article discusses one of the. most useful techniques for experimental structural frequency response testing-one based. upon excitation of the structure with an impulsive force. In many situations, this is the. simplest and fastest of the various techniques commonly
  • A Spectroscopy Guide for PAT
    a biological-type) takes days. In the 20+ years since its inception, process HPLC has come a long way. While fluorescence spectra resemble vibrational spectra, they are considered electronic because of the mode of their mechanism. Energy (in the form of photons) is absorbed, causing the electrons
  • Air-Coupled Acoustics: Sound PAT for Tablet Characterization
    processes. The current method is based on air-coupled excitation of a tablet and the interferometric detection of its vibrational motion. Many modern commercial tablets consist of two basic structural parts: the core and coating layer(s). Since the core of a typical tablet contains a mixture of one

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