Accession Number : AD0717688

Title :   A Technique for Measuring Phase at Millimeter Wavelengths.

Descriptive Note : Physical sciences research papers,

Corporate Author : AIR FORCE CAMBRIDGE RESEARCH LABS L G HANSCOM FIELD MASS

Personal Author(s) : Cleveland,Frederick H. ; Kernweis,Nicholas P.

Report Date : 20 NOV 1970

Pagination or Media Count : 21

Abstract : A technique that utilizs a reference signal of varying phase for measuring the phase of millimeter signals in free space is described. The phase of the reference signal is measured independently and subtracted from the total phase measured to determine the desired phase. The use of a varying reference phase is necessary because flexible or movable waveguides whose phase characteristics can readily be measured are not available at millimeter wavelengths. The theory of the technique described is based upon the interference pattern of slowly varying electric fields. (Author)

Descriptors :   (*PHASE MEASUREMENT, MILLIMETER WAVES), TEST METHODS, ANTENNAS, RADIOFREQUENCY LENSES

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE