Accession Number : ADD005490

Title :   Time Alignment Error Sensor System for Range Tracking.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C

Personal Author(s) : DeRosa,Robert J ; Campbell,Robert T

Report Date : 04 Apr 1978

Pagination or Media Count : 5

Abstract : In the error sensor system for range tracking, incoming radio frequency pulses are coupled into two gates, an RF gate and an early-late gate. The signals are then processed and summed in quadrature to provide measurement of time alignment error between the RF pulses and a time reference for range tracking. Quadrature summing of the signals allows the time alignment error to be encoded as a phase angle which allows error decoding between the incoming radar frequency and the range tracker gating period, the alignment error being resolved by phase detecting the amplitude limited signal output. (Author)

Descriptors :   *Patents, *Targets, *Tracking, *Radiofrequency pulses, Gates(Circuits), Error correction codes, Radar signals

Subject Categories : Active & Passive Radar Detection & Equipment
      Electromagnetic Pulses

Distribution Statement : APPROVED FOR PUBLIC RELEASE