K. Keen

发表

A low-blockage dipole array reflector antenna feed for the lower microwave frequencies

K. Keen, 1980 .

Log-periodic antenna with unidirectional radiation characteristics

K. Keen, 1976 .

Characteristic impedance of dielectric-filled slotted coaxial transmission line

K. Keen, 1976 .

A planar log-periodic antenna

K. Keen, 1974 .