Page 18 - E BOOK MICROWAVE DEVICES 2023
P. 18
EFFICIENCY
Efficiency is the ratio of the
power radiated by an antenna
to the power fed to the
excitation port of the antenna
POWER GAIN
the degree to which an antenna
concentrates radiated power in a given
direction, or absorbs incident power from
that direction, compared with a reference
antenna 13
PROPERTIES OF ANTENNA