Recent research advances of passive intermodulation suppression methods for aerospace microwave components

doi:10.16708/j.cnki.1000-758X.2021.0016

Abstract

Abstract: Passive intermodulation (PIM) is widespread in high power microwave passive components and systems, which may cause serious interference in satellite and terrestrial communication systems. The PIM suppression technology is a key research issue in both theory study and engineering applications, and is important to solving various PIM problems. On the basis of explaining the generation mechanism of PIM, the existing PIM suppression methods and research status at home and abroad are systematically and comprehensively summarized from the aspects of process, structure, electrical design and signal processing, and the advantages and disadvantages of various suppression methods are discussed. On this basis, the subsequent development trends are analyzed. Based on traditional process structure optimization design, integrated design based on advanced manufacturing technology, contactless passive intermodulation suppression and digital signal processing to achieve PIM suppression are the important future directions, which bring new ideas and methods for PIM research.

Key words: high power, microwave components, passive intermodulation suppression, contactless, integration

WANG Xiaoli, CHEN Xiang, LI Jun, CUI Wanzhao. Recent research advances of passive intermodulation suppression methods for aerospace microwave components[J]. Chinese Space Science and Technology, 2021, 41(2): 1-9.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.16708/j.cnki.1000-758X.2021.0016

https://journal26.magtechjournal.com/kjkxjs/EN/Y2021/V41/I2/1

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Recent research advances of passive intermodulation suppression methods for aerospace microwave components

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