Accession Number : ADA107082


Title :   NAVPAC SST Data Processing--Mathematical Description.


Descriptive Note : Final rept.,


Corporate Author : NAVAL SURFACE WEAPONS CENTER DAHLGREN VA


Personal Author(s) : Swift,Everett R


Full Text : http://www.dtic.mil/get-tr-doc/pdf?AD=ADA107082


Report Date : Jul 1981


Pagination or Media Count : 50


Abstract : The Navigation Package (NAVPAC) is a satellite-borne data collection system consisting of two sensor subsystems: a receiver/data subsystem capable of tracking up to three Navy Navigation Satellites (NAVSATs) simultaneously and recording Doppler, refraction, and timing information and a miniature electrostatic accelerometer capable of measuring accelerations due to atmospheric drag, winds, and orbit adjust thrusts. This report provides a detailed mathematical description of the NAVPAC satellite-to-satellite tracking (SST) data processing procedures that include preprocessing, preliminary data quality evaluation, and orbit determination. Also included is an overview of the hardware operation required for the correct interpretation of the SST Doppler, refraction, and timing data. (Author)


Descriptors :   *MATHEMATICAL MODELS , *NAVIGATION SATELLITES , *COMPUTER APPLICATIONS , *INFORMATION THEORY , *SATELLITE TRACKING SYSTEMS , DATA BASES , ORBITS , DATA MANAGEMENT , ACCELEROMETERS , ACCELERATION , MATRICES(MATHEMATICS) , WIND , DATA ACQUISITION , SYNCHRONIZATION(ELECTRONICS) , DOPPLER SYSTEMS , DRAG , ELECTROSTATICS , ATMOSPHERES


Subject Categories : Theoretical Mathematics
      Unmanned Spacecraft


Distribution Statement : APPROVED FOR PUBLIC RELEASE