Research on a Two-stage Plane Adaptive Sampling Algorithm for Near-field Scanning Acceleration

Authors

  • Xiaoyong Liu 1) School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China 2) State Radio Monitoring Center Testing Center Beijing, 100041, China
  • Peng Zhang School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China
  • Dan Shi School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China

DOI:

https://doi.org/10.13052/2023.ACES.J.380803

Keywords:

adaptive sampling, LOLA-Voronoi, near-field (NF) scanning, region self-growth, source reconstruction

Abstract

As one of the most useful methods in electromagnetic interference (EMI) diagnosis, near-field (NF) scanning is widely used in electromagnetic compatibility (EMC) evaluation of complex devices under test (DUTs). In this paper, a two-stage plane adaptive sampling algorithm is proposed to reduce the acquisition time in the process of NF scanning and to make reconstruction of the radiation source more efficient. The sampling method is based on the region self-growth algorithm and the Voronoi subdivision principle, significantly reducing the number of NF samples in the stage of solving the radiation source model through uniform and non-uniform two-stage sampling. Two experiments were conducted to verify the correctness and effectiveness by comparing with the traditional uniform sampling method.

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Author Biographies

Xiaoyong Liu, 1) School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China 2) State Radio Monitoring Center Testing Center Beijing, 100041, China

Xiaoyong Liu received the bachelor’s degree in radio technology and information system from Tsinghua University, Beijing, China, in 2002. He is currently working toward the doctor’s degree in electronic science and technology from the Beijing University of Posts & Telecommunications, Beijing, China. His research interests include electromagnetic compatibility, testing and measurement, radio frequency spectrum technology.

Peng Zhang, School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China

Peng Zhang received the bachelor’s degree in electronic engineering from Nanjing Institute of Technology, Nanjing, China, in 2020. He is currently working toward the master’s degree in electronics and communication engineering from the Beijing University of Posts & Telecommunications, Beijing, China. His research interests include chip electromagnetic compatibility and reconstruction of emission sources.

Dan Shi, School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China

Dan Shi (M’08) received the Ph.D. degree in electronic engineering from Beijing University of Posts & Telecommunications, Beijing, China, in 2008. She has been a professor in Beijing University of Posts & Telecommunications. Her interests include electromagnetic compatibility, electromagnetic environment, and electromagnetic computation.

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Published

2023-08-31

How to Cite

[1]
X. . Liu, P. . Zhang, and D. . Shi, “Research on a Two-stage Plane Adaptive Sampling Algorithm for Near-field Scanning Acceleration”, ACES Journal, vol. 38, no. 08, pp. 566–574, Aug. 2023.

Issue

2023: Vol 38 Iss 8

Section

General Submission

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