Accession Number : AD0914536

Title :   Understanding and Optimizing Multiple Side-Lobe Canceler Operation.

Descriptive Note : Interim rept.,

Corporate Author : NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s) : Lewis, Bernard L. ; Hansen, James P.

Report Date : 25 OCT 1973

Pagination or Media Count : 21

Abstract : A simple technique was developed for analyzing the operation of multiple side-lobe canceler loops on signals from multiple jammers. This technique is a simple graphical method that requires very little mathematics yet gives its user a feel for canceler operation that is missing in the conventional mathematical approach. Examples of the application of this technique demonstrate the falseness of the common belief that 'N' cancelers can adequately cancel the signals from 'N' jammers when the jammer geometry is variable and the canceler antenna geometry is fixed. The use of this technique is recommended for determining the number and locations of auxiliary antennas required to protect a given radar from a given number of jammers in arbitrary locations. (Author)

Descriptors :   (*RADAR ANTIJAMMING, CORRELATORS), (*ANTENNA LOBES, REDUCTION), (*ADAPTIVE CONTROL SYSTEMS, ITERATIONS), RADAR JAMMING, MULTIPATH TRANSMISSION, FEEDBACK, OPTIMIZATION, RADAR ANTENNAS, RADAR SCANNING, LINEAR SYSTEMS, APPROXIMATION(MATHEMATICS), MULTIPLE OPERATION.

Subject Categories : Radar Countermeasures
      Active & Passive Radar Detection & Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE