Inductive compensation of high-permittivity coatings on automobile long-range radar radomes

Florian Pfeiffer; Erwin M. Biebl

doi:10.1109/TMTT.2009.2031931

Inductive compensation of high-permittivity coatings on automobile long-range radar radomes

Florian Pfeiffer, Erwin M. Biebl

Associate Professorship of Very High Frequency Technology

Technical University of Munich

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

33 Scopus citations

Abstract

A theoretical and practical investigation of polymer composites including paint layers as radomes for automotive long-range radar systems operating at 76.5 GHz is carried out. The materials in focus of this research are metallic base paints with a high concentration of metal, and hence, a high dielectric constant. A multilayered free-space measurement technique is presented to derive the dielectric properties of coatings with a thickness of several micrometers. The impact of the paint layers on the radar performance are discussed in this paper, and a narrowband technique is presented to compensate the reflection effects of critical paints.

Original language	English
Article number	5276804
Pages (from-to)	2627-2632
Number of pages	6
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	57
Issue number	11
DOIs	https://doi.org/10.1109/TMTT.2009.2031931
State	Published - Nov 2009

Keywords

Automotive radar
High-permittivity coatings
Inductive grid
Long-range radar (LRR)
Permittivity measurement
Radome
Road vehicle radar

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10.1109/TMTT.2009.2031931

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title = "Inductive compensation of high-permittivity coatings on automobile long-range radar radomes",

abstract = "A theoretical and practical investigation of polymer composites including paint layers as radomes for automotive long-range radar systems operating at 76.5 GHz is carried out. The materials in focus of this research are metallic base paints with a high concentration of metal, and hence, a high dielectric constant. A multilayered free-space measurement technique is presented to derive the dielectric properties of coatings with a thickness of several micrometers. The impact of the paint layers on the radar performance are discussed in this paper, and a narrowband technique is presented to compensate the reflection effects of critical paints.",

keywords = "Automotive radar, High-permittivity coatings, Inductive grid, Long-range radar (LRR), Permittivity measurement, Radome, Road vehicle radar",

author = "Florian Pfeiffer and Biebl, {Erwin M.}",

note = "Funding Information: Manuscript received January 27, 2009; revised June 16, 2009. First published October 02, 2009; current version published November 11, 2009. This work was supported by AUDI AG. The authors are with Fachgebiet H{\"o}chstfrequenztechnik, Technische Univer-sit{\"a}t M{\"u}nchen, Munich 80333, Germany (e-mail: [email protected]; biebl@tu m.de). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TMTT.2009.2031931",

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doi = "10.1109/TMTT.2009.2031931",

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AB - A theoretical and practical investigation of polymer composites including paint layers as radomes for automotive long-range radar systems operating at 76.5 GHz is carried out. The materials in focus of this research are metallic base paints with a high concentration of metal, and hence, a high dielectric constant. A multilayered free-space measurement technique is presented to derive the dielectric properties of coatings with a thickness of several micrometers. The impact of the paint layers on the radar performance are discussed in this paper, and a narrowband technique is presented to compensate the reflection effects of critical paints.

KW - Automotive radar

KW - High-permittivity coatings

KW - Inductive grid

KW - Long-range radar (LRR)

KW - Permittivity measurement

KW - Radome

KW - Road vehicle radar

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Inductive compensation of high-permittivity coatings on automobile long-range radar radomes

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