Антени. Терміни та визначення

dipole

directional antenna

directivity

director antenna

discone

dummy load; dummy antenna

duplexer (of an antenna) Є [H\- plane

earth mat, ground mat

effective area of the receiving antenna (absorbing surface) effective length (of a antenna)

effective radiated power

electronic scanned array

elementary electrical dipole

elementary magnetic dipole end capacitor

equiangular spiral antenna

equivalent isotropic radiated power far field region feeder

feeder attenuation

feeder attenuation

feeder driven array

feeder travelling-wave (standing-wave) factor

figure of merit (of an antenna)

figure of merit (of an antenna-receiving system) folded balun

folded monopole (antenna); folded unipole

3.44

Fraungofer region frequency scanned antenna frequency-independent antenna Fresnel lens antenna

10.14

3.8

8.20

3.46

Fresnel region

Gregorian reflector antenna

half-wave (quarter-wave] length asymmetrical dipole horn (antenna) horn-lens antenna

8.16

6.5

8.9

8.22 Q і Q

horn-reflector antenna

O. 1 0

intrinsic noise temperature of a antenna

3.19

inverted-L antenna

6.29

isotropic antenna lattice reflector

3.2

8.26

lens antenna

8.21

linear array

linear symmetrical dipole

10.24

6.2

linearly polarized antenna loaded folded dipole

3.40

6.20

log-periodic antenna

10.45

loop antenna

6.13

loop-like symmetrical dipole low noise antenna

6.6

3.26

Luneburg lens antenna

magnetic core antenna

major lobe

matching stub

mechanical scanned array

microstrip antenna

minor lobe of the radiation pattern multibeam array (multiple-beam) multimode horn

8.19

3.30

5.8

6.26

10.11

3.33

5.11

10.6

multiplexer (for an antenna) multisellular lens

8.32

3.34

mutual impedance (between two radiating elements) noise temperature of a receiving antenna nondirectional antenna

8.34

4.10

3.18

3.4

normalized impedance normalized impedance normalized radiation pattern off-set feed

orthomode transducer own wavelength

parabolic cylinder antenna parabolic antenna parallel-feed array parallel-plate lens

passive array perforated lens periscope antenna phase pattern phase scanned array phased array phase-frequency scanned array pl^ne dielectric surface-wave plane ridged surface-wave antenna plane symmetrical dipole