NSWC SATRACK Multiple Satellite Processor (SAMSAP).

Abstract

This report relates to performance evaluation of fleet ballistic missile systems, using the satellites of the Global Positioning System for error analysis. The SAMSAP computer program combines the pass normal matrices for the individual satellites into one system of simultaneous equations. The normal equations may be expanded to include the parameters of the station and satellite clock, gravity, and polar motion. The equations are solved for the parameter corrections and the systems covariance matrix at epoch. The corrected system state vector and the system covariance matrix are then propagated through the trajectory fit span and output to a tracked ephemeris data tape that is used by Johns Hopkins University in their Post-Flight Processor. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1978
Accession Number
ADA088263

Entities

People

  • J. Edwin Johnson

Organizations

  • Naval Surface Warfare Center Dahlgren Division

Tags

DTIC Thesaurus Topics

  • Artificial Satellites
  • Ballistic Missiles
  • Computer Programs
  • Computers
  • Covariance
  • Data Rate
  • Ephemerides
  • Equations
  • Error Analysis
  • Frequency
  • Global Positioning Systems
  • Information Retrieval
  • Navigation
  • Physics Laboratories
  • Radiation Pressure
  • Solar Radiation
  • Standards

Readers

  • Inertial Navigation Systems.
  • Space Exploration and Orbital Mechanics.
  • Statistical inference.

Technology Areas

  • Space
  • Space - Orbital Debris