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Flash Flood Forecasting Over Complex Terrain With an Assessment of the Sulphur Mountain NEXRAD in Southern California (2005) / Chapter Skim
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Appendix B: Characteristics of the NEXRAD Radar
Pages 172-174

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From page 172...
... RF Loss (two-way) 0.3 ± 0.06 dB over 2.7­3.0-GHz band Transmitter Type Master Oscillator Power Amplifier (MOPA)
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From page 173...
... Reflectivity <1 dB Velocity and spectrum width <1 m s­ 1 Number of Pulses Averaged Reflectivity 6­64 Velocity and spectrum width 40­200 Range Resolution Reflectivity 1 km Velocity and spectrum width 0.25 km Azimuth Resolution Reflectivity 1° Velocity and spectrum width 1° Clutter canceller Gaussian Model Adaptive Processing Filter, Spectral Domain Clutter suppression 30­50 dB max Radar Product Generator (RPG) RPG processor 64-bit reduced instruction set (RISC)
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From page 174...
... Digital base data are output from the Base Data Dissemination System (BDDS) , which includes base reflectivity, mean radial velocity, and spectrum width.
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Key Terms

  • digital computer
  • frequency range
  • spectrum width
  • permanent storage
  • base data

  • sent electronically
  • mean radial
  • radial velocity
  • principal user
  • level iii

  • rpg graphic
  • weather radar
  • dispersed throughout
  • detectable signal
  • products defined

  • digital base
  • gaussian model
  • doppler spectral
  • model adaptive
  • user processor

  • includes base
  • risc digital
  • power output
  • climatological data
  • fiberglass skin

  • reduced instruction
  • predetermined products
  • instruction set
  • product generator
  • skin foam


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