Accession Number : ADD001579

Title :   VLF Phase Tracker with Phase Discretion.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Swanson,Eric R

Report Date : 24 Jun 1975

Pagination or Media Count : 5

Abstract : The patent describes VLF phase tracker apparatus for comparing phase of individual cycles of received signals with a reference tracked phase. If minimal noise is present, received phase is within close tolerance of the reference. If more than minimal noise is present, departure from the reference indicates noise contamination whereby receiver apparatus are blanked to eliminate noise perturbations.

Descriptors :   *Phase locked systems, *Patents, Very low frequency, Phase, Tracking, Radio signals

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE