Home : Technical Reference : Standing Wave Ratio
  • Measure a Voltage Standing Wave Ratio (VSWR) to Quantify Transmission Line Imperfections - SWR is the ratio between transmitted and reflected waves. A high SWR indicates poor transmission-line efficiency and reflected energy. Since SWR commonly refers to the voltage ratio, it is usually known as voltage standing wave ratio (VSWR).
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  • The Effects of VSWR on Transmitted Power - What is VSWR and why you should care, formal definition of VSWR and SeaSonde Measurements, formulas
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  • What is SWR - standing-wave ratio - Article about Standing-wave ratio (SWR) defined as a mathematical expression of the non-uniformity of an electromagnetic field on a transmission line. SWR is the ratio of the maximum radio-frequency (RF) voltage to the minimum RF voltage along the line.
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    Technical Reference : SWR Standing Wave Ratio

    SWR Standing Wave Ratio
    The SWR on a transmission line is mathematically related to (but not the same as) the ratio of reflected power to forward power

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