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  • Sound Insulation
    Sound Insulation. Enabling readers to tackle a wide range of issues relating to sound insulation during the design and construction of a building, this book examines sound and vibration theory and its application to the measurement and prediction of sound insulation.
  • The sound of viscosity
    Sound waves can measure viscosity on the fly. Acoustic-wavesensors are the size of a quarter and can measure viscosity in real time. Compact acousticwavesensors make possible handheld viscosity meters like this BiODE eCup unit. The acoustic-wave resonator supports a standing wave, interacting
  • True Position Measurement
    Manufacturers today realize that feature location in part design and production is crucial. In order to produce interchangeable parts in a manufacturing environment, care must be taken that the design is sound enough to allow mating parts to work correctly. Furthermore, the industrial process must
  • Delay Time Measurement with Ultrasonic Sensors
    Many industrial ultrasonic sensors are based on the delay time measurement. As has been mentioned in the introduction, the "measurement representation" thereby is the propagation velocity of the sound in the air, which is 330 m/s under normal conditions. The sensors utilized for these functions
  • How to Choose the Right Visualization Techniques for Your Measurement System
    Data visualization is a common aspect of almost all measurement systems. From simply graphing an acquired signal to correlating measurement data with video, sound, or 3D model projection, visualization options for data acquisition (DAQ) systems are extensive. Selecting the right visualization
  • STANDARDS - CONSTRAINING INSTRUMENTATION INNOVATION?
    Is our instrumentation moving with the times? Our current instrumentation owes it genesis to the condenser microphone, simple valve amplifiers and moving coil displays. The existence of highly integrated alternative devices for sound measurement, Micro-Electro-Mechanical-Systems microphones
  • What Are dB, Noise Floor & Dynamic Range?
    Most engineers are probably familiar with or have come across the decibel or dB as a unit of measurement. Its most common use is in the field of acoustics where it is used to quantify sound levels. However, as will be explained in this article, it is also useful for a wide variety of measurements
  • Comparing the Incomparable: Understanding and Comparing IGBT Module Datasheets (.pdf)
    This might sound somewhat overdone but comparing IGBT modules using datasheets is. not as easy at is might appear. A rough comparison can, of course, be made using the. component blocking voltage (VCES, e.g. 1200V) and the nominal current. (ICnom = 100A, 200A...). On closer inspection, however

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