Passenger Vehicle Surrogate Test Target Radar Return Repeatability

Zeits, Roger; Nagy, Ian; Peterson, Blair; Davis, Ian J.; Forkenbrock, Garrick J.; Neer, Arden; United States. Department of Transportation. National Highway Traffic Safety Administration. Vehicle Research and Test Center; Transportation Research Center Inc

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Passenger Vehicle Surrogate Test Target Radar Return Repeatability

2025-01-01
By Zeits, Roger ; Nagy, Ian ; Peterson, Blair ; ...

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English

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Details:

Creators:

Zeits, Roger ; Nagy, Ian ; Peterson, Blair ; Davis, Ian J. ; Forkenbrock, Garrick J. ; ... More +

Zeits, Roger ; Nagy, Ian ; Peterson, Blair ; Davis, Ian J. ; Forkenbrock, Garrick J. ; Neer, Arden Less -
Corporate Creators:

United States. Department of Transportation. National Highway Traffic Safety Administration. Vehicle Research and Test Center ; Transportation Research Center Inc

United States. Department of Transportation. National Highway Traffic Safety Administration. Vehicle Research and Test Center ; Transportation Research Center Inc Less -
Corporate Contributors:

United States. Department of Transportation. National Highway Traffic Safety Administration
Subject/TRT Terms:

[+]

Driver Support Systems Global Vehicle Target (GVT) Radar Cross Section Radar Reflection Tests Test Tracks Vehicle Test Device (VTD) Vehicle Tests
Publication/ Report Number:

DOT HS 813 648
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

This report identified the variance in the radar cross section (RCS) of one vehicle test device (VTD), a test surrogate designed to emulate a small passenger car. Additional RCS measurements were performed on various types of vehicles for comparison with the VTD. Descriptions of the test equipment, measurement process, evaluation method, and results are provided. The RCS consistency of the objects used to calibrate the radars used (two trihedrals) was successfully demonstrated. These results validate that the RCS variations observed for the VTDs can be attributed to the VTDs themselves, not to equipment or evaluation method limitations. Apart from one subset of the fixed angle scans, the RCS returns of the VTD repeatability study were found to be within their minimum percent of the applicable upper and lower boundaries defined by ISO 19206-3:2021 (ISO, 2021). Fixed angle reflection categorization tended to return a higher percentage of total return per region when a category value was not within the specified bounds. Vehicle measurements confirm the RCS boundaries and reflection categories defined ISO 19206-3:2021 (ISO, 2021) can be used to represent a VTD as well as a small passenger vehicle. It can be surmised that the variations in wheelbase and body shape cause all other vehicles, measured in this study, to be out of specified bounds to certain degrees.
Format:

PDF
Collection(s):

NHTSA - Vehicle Safety Research
Main Document Checksum:

[+]

urn:sha-512:1ab833855122d1328f30d7f637c87a0478253203e52182a790f4445f9dfd4a27b9a04239fdd92f3a5dd1ebad12adf15122b34eff16ab8b0881e0f4c572b831d3
Download URL:

https://rosap.ntl.bts.gov/view/dot/79093/dot_79093_DS1.pdf
File Type:

[PDF-5.52 MB]