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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 .