Analysis of the test and evaluation method of vehicle radio antenna

Xilai Ma; Li Sun; Yuexin Tan; Yang Tian; Huiming Ma; Ce Shi; Chuang Du; Jiaxu Feng

doi:10.1117/12.3017734

15 December 2023 Analysis of the test and evaluation method of vehicle radio antenna

Xilai Ma, Li Sun, Yuexin Tan, Yang Tian, Huiming Ma, Ce Shi, Chuang Du, Jiaxu Feng

Proceedings Volume 12971, Third International Conference on Optics and Communication Technology (ICOCT 2023); 129710K (2023) https://doi.org/10.1117/12.3017734
Event: Third International Conference on Optics and Communication Technology (ICOCT 2023), 2023, Changchun, China

Abstract

Due to the complex body shape and higher aesthetic requirements of modern cars, the requirement for antenna size and radiation performance become increasingly high. The form of radio antennas has gradually shifted from pole shaped antennas to conformal antennas represented by glass antenna. Due to the coupling effect of vehicle metal structure and other on-board electronic and electrical components on antenna performance, quantitative testing and evaluation of vehicle-level radio antennas are urgently needed. This article first analyzes domestic and foreign radio antenna standards, compares environmental requirements for laboratory, and proposes a signal uniformity verification method; Secondly, the testing methods for vehicle-level radio antennas were elaborated in detail, with a focus on the precautions based on the reference antenna testing method; Finally, introduces the evaluation indicators and calculation methods for radio antenna performance. For vehicle-level testing, it is generally the frequency response of antenna gain and antenna gain, and recommended limits were proposed. This article provides a basis and a theoretical foundation for promoting the performance testing and evaluation of vehicle-level radio antennas in the trade.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xilai Ma, Li Sun, Yuexin Tan, Yang Tian, Huiming Ma, Ce Shi, Chuang Du, and Jiaxu Feng "Analysis of the test and evaluation method of vehicle radio antenna", Proc. SPIE 12971, Third International Conference on Optics and Communication Technology (ICOCT 2023), 129710K (15 December 2023); https://doi.org/10.1117/12.3017734

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KEYWORDS

Antennas

Fermium

Frequency modulation

Polarization

Amplitude modulation

Frequency response

Signal attenuation

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