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Pre 1998 Diagram Post 1998 Diagram

 

 
  • Real-time, digital IF, processing to provide reflectivity and pulse pair velocity estimates.
  • 738 range gates; 12bit digitization
  • 37.5 meter gate spacing
  • data storage 125 kbytes/s; 3gbyte/flight
  • periodic internal calibrations during flight
  • at pulse repitition frequency=4.4 khz, nyquist velocity=34 m/s; maximum range=34 km
  • NCAR's VIRAQ and quad digital receiver hardware provides matched filtering, amplitude,
       and in-phase/ quadrature measurements

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    Dr. Gerry Heymsfield
    email: Gerald.M.Heymsfield@nasa.gov
    phone: (301) 614-6369
    fax: (301) 614-5492    		 Lin Tian
    email:tian@agnes.gsfc.nasa.gov
    phone: (301) 614-5639
    fax: (301) 614-5492