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Logarithms, DeciBels, and Power

Logarithms, DeciBels, and Power

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This chapter discusses radar equipment theory of operation and maintenance methods. Everyday work in radar requires the frequent use of logarithms and deciBels. The use of deciBels must therefore be reviewed before proceeding with any further discussion.

Chapter Contents:

  • The DeciBel
  • Logarithms
  • DeciBels to Express Gain or Attenuation
  • Expression of Power in dBW or dBm
  • Using dBm or dBW in Combination with dB
  • Mental Approximations
  • Actual Attenuation of Devices
  • Peak and Average Power Measurement
  • Half-Power and 70% Amplitude
  • Decibels in Voltage (dBV)
  • Review Questions
  • Answers to Review Questions

Inspec keywords: radar theory; power measurement

Other keywords: radar theory; radar power measurement; decibels

Subjects: Power and energy measurement; Radar theory

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