Phase-Hologram-Based Compact RCS Test Range at 310 GHz for Scale Models

Anne Lönnqvist; Juha Mallat; Antti V. Räisänen

doi:10.1109/TMTT.2006.875296

Phase-Hologram-Based Compact RCS Test Range at 310 GHz for Scale Models

Anne Lönnqvist, Juha Mallat, Antti V. Räisänen

Not published at VTT

Helsinki University of Technology

Research output: Contribution to journal › Article › Scientific › peer-review

29 Citations (Scopus)

Abstract

A compact radar cross section (RCS) test range based on a phase hologram has been developed for scale-model measurements. The phase hologram converts the feed-horn radiation to a plane wave needed for RCS determination. The measurements are performed at 310 GHz using continuous-wave operation. A monostatic configuration is realized using a dielectric slab as a directional coupler. The main advantage of a scale-model RCS range is that the dimensions of radar targets are scaled down in proportion to the wavelength. Therefore, RCS data of originally large objects can be measured indoors in a controlled environment. Test objects such as metal cylinders and simplified targets have been measured. The feasibility of the phase-hologram RCS range has been verified. The operation and measurement results of the monostatic measurement range are reported here. A comparison with simulated results is also included.

Original language	English
Pages (from-to)	2391-2397
Number of pages	7
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	54
Issue number	6
DOIs	https://doi.org/10.1109/TMTT.2006.875296
Publication status	Published - 6 Jun 2006
MoE publication type	A1 Journal article-refereed

Keywords

Compact range
hologram
quiet zone
radar cross section (RCS)
scale-model measurements

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10.1109/TMTT.2006.875296

Cite this

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abstract = "A compact radar cross section (RCS) test range based on a phase hologram has been developed for scale-model measurements. The phase hologram converts the feed-horn radiation to a plane wave needed for RCS determination. The measurements are performed at 310 GHz using continuous-wave operation. A monostatic configuration is realized using a dielectric slab as a directional coupler. The main advantage of a scale-model RCS range is that the dimensions of radar targets are scaled down in proportion to the wavelength. Therefore, RCS data of originally large objects can be measured indoors in a controlled environment. Test objects such as metal cylinders and simplified targets have been measured. The feasibility of the phase-hologram RCS range has been verified. The operation and measurement results of the monostatic measurement range are reported here. A comparison with simulated results is also included.",

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Phase-Hologram-Based Compact RCS Test Range at 310 GHz for Scale Models

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Keywords

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