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  • Velocity Factor in Cables
    In theory, electrical signals move at the speed of light. Cables only slow. them down. The ratio of actual speed to the speed of light is known as. the velocity factor, or Velocity of Propagation (VOP), expressed as a. percentage of the speed of light in free space. This slowing effect is almost
  • What is a TDR?
    of a cable that travel along the cable at a speed determined by its Velocity of Propagation. Vp is a ratio of the speed of light.
  • 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

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