What people are saying - Write a review
We haven't found any reviews in the usual places.
cent1metr1c aer1al requ1rements
secondary rad1ators s1nglecurvature 134
polar d1agram theory
6 other sections not shown
Other editions - View all
Abbe sine condition aerial systems amplitude distribution aperture dimension aperture distribution aperture horn approximation axis balanced line beam-width centimetric circular polarization coaxial line conductance construction cosec pattern dielectric lens difficulties dipole direction displaced double-curvature effect elevation feeder field strength flared focal length Fourier method free space frequency give H plane impedance band-width lenses limitations line source linear array longitudinal polarization matched maximum metal plate metal-plate mirror mismatch mode non-resonant array normal obtained open wave-guide optical method parabolic cylinder paraboloid parallel plates particularly perpendicular phase centre phase change phase velocity point source polyrod power gain primary feed primary polar diagram produce radiation pattern rear feed reflector reflexion refractive refractive index required polar diagram resonant rotating satisfactory scanner scanning secondary radiator shaped patterns shown in fig side-lobes Snell's law standing wave ratio surface tapered thin cheese tion tolerances unipole usually vector wave-guide wave-length wide width