Indirect holographic imaging of antennas using an electronically synthesised "slow-wave"

D. Smith; M. Leach; A. Kellner

doi:10.1109/aps.2004.1329767

Indirect holographic imaging of antennas using an electronically synthesised "slow-wave"

D. Smith^*, M. Leach, A. Kellner

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

Abstract

The use of indirect holographic techniques, where radiation characteristics and antenna aperture fields can be obtained from simple intensity measurements made in the near field, has traditionally been restricted to the measurement of large antennas with small angular spread. The following work describes how this limitation can be overcome by synthesising a reference wave with wave vector in excess of the free space wave vector. This enables the radiation characteristics and complex aperture fields of much smaller antennas to be determined. Results are included to show how this technique can be applied to a standard gain pyramidal horn antenna.

Original language	English
Pages (from-to)	703-706
Number of pages	4
Journal	IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume	1
DOIs	https://doi.org/10.1109/aps.2004.1329767
Publication status	Published - 2004
Externally published	Yes
Event	IEEE Antennas and Propagation Society Symposium 2004 Digest held in Conjunction with: USNC/URSI National Radio Science Meeting - Monterey, CA, United States Duration: 20 Jun 2004 → 25 Jun 2004

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10.1109/aps.2004.1329767

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abstract = "The use of indirect holographic techniques, where radiation characteristics and antenna aperture fields can be obtained from simple intensity measurements made in the near field, has traditionally been restricted to the measurement of large antennas with small angular spread. The following work describes how this limitation can be overcome by synthesising a reference wave with wave vector in excess of the free space wave vector. This enables the radiation characteristics and complex aperture fields of much smaller antennas to be determined. Results are included to show how this technique can be applied to a standard gain pyramidal horn antenna.",

author = "D. Smith and M. Leach and A. Kellner",

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doi = "10.1109/aps.2004.1329767",

language = "English",

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AB - The use of indirect holographic techniques, where radiation characteristics and antenna aperture fields can be obtained from simple intensity measurements made in the near field, has traditionally been restricted to the measurement of large antennas with small angular spread. The following work describes how this limitation can be overcome by synthesising a reference wave with wave vector in excess of the free space wave vector. This enables the radiation characteristics and complex aperture fields of much smaller antennas to be determined. Results are included to show how this technique can be applied to a standard gain pyramidal horn antenna.

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T2 - IEEE Antennas and Propagation Society Symposium 2004 Digest held in Conjunction with: USNC/URSI National Radio Science Meeting

Y2 - 20 June 2004 through 25 June 2004

ER -

Indirect holographic imaging of antennas using an electronically synthesised "slow-wave"

Abstract

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