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  • 3500 App Note: Installed Radio Testing with the 3500 (.pdf)
    connect testing of the radio. The last section will cover the. ments. testing of the cables and antennas. We can then make the following measurements: PART I - OVER-THE-AIR TESTING. 1. Receive Signal Strength. Regardless of the type of radios we are testing, over-the-air. testing of an installed
  • 10 Tips To Ensure Accurate Temperature Measurement (.pdf)
    From choosing the right temperature sensor for your particular process application to the periodic recalibration of that temperature sensor, these tips can help you ensure temperature measurement accuracy and get the most out of your process. ./19027c17-61ea-48c9-a09e-680b5778a604 Ten Tips
  • SDARS-Antenna-Diversity-Schemes for a better Radio-Link in Vehicles (.pdf)
    in distances of. cessor switches to Ant.1 due to the higher signal level of. 0.4 of the driven distance according to time intervalls of. Ant.1. Now a deep signal fading causes a great variation. app. 2ms at a speed of 100 km/h. The greater distance. of the phase of Ant.1 resulting in a high bit
  • Basic Antenna Terms and Definitions
    vicinity. Far-Field: The far field corresponds to an RF source-to-measurement antenna distance great enough that energy radiates from the source only in a radial direction. The E and H fields are mutually perpendicular to that direction and each other, and their ratio is 377 W, the impedance
  • Infrared Technology
    Infrared thermometers operate by means of infrared radiation. Infrared occupies a portion of the electromagnetic spectrum between visible light radio waves. The electromagnetic spectrum is a group of different types radiation. These types include gamma rays, x-rays, ultraviolet light, visible
  • Correct Use of IR Thermometer
    . (high-voltage parts, great measurement distance). 4. Measurements of high temperatures (greater than 1300°C) present no problems. In. similar cases, contact thermometers cannot be used, or have a limited life. 5. 5. There is no interference--no energy is lost from the target. For example, in the case
  • Effects of Ultrasonics on Health
    Ultrasonic energy is mechanical energy as contrasted with other forms of energy such as nuclear particle radiation (x-rays, beta rays), electromagnetic energy (radio frequency waves, diathermy, microwave radiation), or invisible light (infrared, ultraviolet light waves). The source of ultrasonic
  • Wireless Technologies for Hydroelectric Facilities
    with a lower frequency will result in. greater communication distances. For specific values, Chart 1 shows free space loss at popular radio frequencies over. distance. This chart shows that as frequency and distance increase, so does free. space loss. Chart 1: Free Space Loss vs. Frequency. Over-the-air

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