NAVSTAR Global Positioning Systems Special Studies and Engineering Program. Volume 2. Generalized Cross-Correlation Properties of GPS Codes in Cases of Differential Doppler Shifts. GPS/Trident Code Design

Abstract

This volume deals with the generalized cross-correlation of properties of the GPS Clear signals in the case of differential doppler shifts. It also addresses modified GPS-like codes that were designed for use for the GPS/TRIDENT SATRACK system. The cross-correlation properties of the GPS C/A in the case of zero doppler shift is well known. This report addresses the case where finite Doppler shifts are involved. The SATRACK system requires a good ranging code which also is a good spectrum-spreading multiple access code that has very small interference or cross-correlation with the GPS codes. This report addresses such codes.

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Document Details

Document Type
Technical Report
Publication Date
Oct 25, 1975
Accession Number
ADB008412

Entities

People

  • Horen Chang
  • James J. Spilker Jr.

Tags

Communities of Interest

  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acquisition
  • Air Force
  • Carrier Frequencies
  • Communication Systems
  • Computer Simulations
  • Cross Correlation
  • Doppler Effect
  • Engineering
  • Fleet Ballistic Missiles
  • Frequency
  • Global Positioning Systems
  • Multiple Access
  • Radial Velocity
  • Simulations
  • Spectra
  • Statistics
  • Test And Evaluation

Fields of Study

  • Engineering

Readers

  • Computer Programming and Software Development.
  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Space