Absorption Efficiency of Receiving Antennas

Jørgen Bach Andersen; Aksel Frandsen

Absorption Efficiency of Receiving Antennas

Jørgen Bach Andersen, Aksel Frandsen

Institut for Elektroniske Systemer

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

100 Citationer (Scopus)

3318 Downloads (Pure)

Abstract

Udgivelsesdato: September

Originalsprog	Engelsk
Tidsskrift	IEEE Transactions on Antennas and Propagation
Vol/bind	53
Udgave nummer	9
Sider (fra-til)	2843-2849
Antal sider	6
ISSN	0018-926X
Status	Udgivet - 2005

Bibliografisk note

Paper id:: DOI 10.1109/TAP.2005.854532

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title = "Absorption Efficiency of Receiving Antennas",

abstract = "A receiving antenna with a matched load will always scatter some power. This paper sets an upper and a lower bound on the absorption efficiency (absorbed power over sum of absorbed and scattered powers), which lies between 0 and 100% depending on the directivities of the antenna and scatter patterns. It can approach 100% as closely as desired, although in practice this may not be an attractive solution. An example with a small endfire array of dipoles shows an efficiency of 93%. Several examples of small conical horn antennas are also given, and they all have absorption efficiencies less than 50%.",

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AU - Andersen, Jørgen Bach

AU - Frandsen, Aksel

N1 - Paper id:: DOI 10.1109/TAP.2005.854532

PY - 2005

Y1 - 2005

N2 - A receiving antenna with a matched load will always scatter some power. This paper sets an upper and a lower bound on the absorption efficiency (absorbed power over sum of absorbed and scattered powers), which lies between 0 and 100% depending on the directivities of the antenna and scatter patterns. It can approach 100% as closely as desired, although in practice this may not be an attractive solution. An example with a small endfire array of dipoles shows an efficiency of 93%. Several examples of small conical horn antennas are also given, and they all have absorption efficiencies less than 50%.

AB - A receiving antenna with a matched load will always scatter some power. This paper sets an upper and a lower bound on the absorption efficiency (absorbed power over sum of absorbed and scattered powers), which lies between 0 and 100% depending on the directivities of the antenna and scatter patterns. It can approach 100% as closely as desired, although in practice this may not be an attractive solution. An example with a small endfire array of dipoles shows an efficiency of 93%. Several examples of small conical horn antennas are also given, and they all have absorption efficiencies less than 50%.

M3 - Journal article

SN - 0018-926X

VL - 53

SP - 2843

EP - 2849

JO - IEEE Transactions on Antennas and Propagation

JF - IEEE Transactions on Antennas and Propagation

IS - 9

ER -

Absorption Efficiency of Receiving Antennas

Abstract

Bibliografisk note

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