One-Step Crank-Nicolson Direct-Splitting Algorithm with Enhanced Absorption to Evaluate Low-Pressure Discharge for Satellite Sensors in Outer Space.

Yangjing Wang, Yongjun Xie, Pu Su, Haolin Jiang, Peiyu Wu

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Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Yangjing WangSchool of Electronic and Information Engineering, Beihang University, Beijing 100191, China.

Yongjun XieSchool of Electronic and Information Engineering, Beihang University, Beijing 100191, China.ORCID 0000-0002-8345-1776

Pu SuXi'an Institute of Space Radio Technology, Xi'an 710100, China.

Haolin JiangSchool of Electronic & Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210096, China.ORCID 0000-0003-2863-9482

Peiyu WuSchool of Electronic and Information Engineering, Beihang University, Beijing 100191, China.

Funding

Key Laboratory of Science and Technology on Space Microwave 6142411032201National Key Laboratory Foundation of China HTKJ2019KL504013, 61424020305National Key Research and Development Program of China 2020YFB1807400National Natural Science Foundation of China 61571022, 61971022, 61801376Postdoctoral Fellows of "Zhuoyue" Program

6 · The paper itself

Abstract

Low-pressure discharge causes air ionization resulting in performance degeneration or failure for the satellite sensors in outer space. Here, a one-step Crank-Nicolson Direct-Splitting (CNDS) algorithm is proposed to evaluate the electrical behavior of satellite sensors under the low-pressure discharge circumstance. To be more specific, the CNDS algorithm is proposed in the Lorentz medium, which can accurately analyze the ionized air and generated plasma. Higher order perfectly matched layer (PML) is modified in the Lorentz medium to efficiently terminate the unbounded lattice. It can be concluded that the proposed algorithm shows entire considerable performance in the low-pressure discharge evaluation. The proposed PML formulation behaviors enhanced absorbing performance compared with the existing algorithm. Through the experiments, it can be observed that the low-pressure discharge phenomenon causes performance variation, which shows a significant influence on the satellite sensors. Meanwhile, results show considerable agreement between the simulation and experiment results which indicates the effectiveness of the algorithm.

Indexed as

Crank-Nicolson Direct-Splitting (CNDS)Finite-Difference Time-Domain (FDTD)Low-Pressure DischargePerfectly Matched Layer (PML)Satellite Sensors

Identifiers

PMID36772125

DOI10.3390/s23031085

PMCPMC9919963

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