On the correlation between wide-band arrays and array simulators

Abstract

COMMUNICATIONStance along a radius expressed as fractions of a radius X/R for the relative diameter D/X equal to 4. The graph of the intensity of radiation of the wave of normal electric field is labeled EX and that of the wave of tangential magnetic field is labeled HT. The quantities Eo and Ho could not be measured. The experimental data for the E.v wave is normalized for the central maximum. The data are averages of those on both sides of center, taken over a complete diameter. The agreement between calculations and measured values is generally better than the agreement between measurements on the two halves of the diameter except near the edge of the disk.

Measurements and Tolerances

“…See also Hannan and Balfour (1965) and Gregorwich et al (1971). Byron and Frank (1968) show excellent agreement with direct measurements.…”

Very wide-band phased-array antenna

“…These surface-type wa.ves can give rise t:o a.rray blindness, which ca.n be observed in array simulators [6]- [8] and element pat,terns but are not predicted by t,his design procedure. Byron and Fra.nk [6] have reported a method whereby waveguide array simulat,ors may be used to approximately predict the slow-wa.ve phenomenon. They assume a nondispersive slow wave propagating across the apert,ure to predict "lost beams" in the array operating band.…”