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Author

Chang-Jun Liu

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2 papers indexed here

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Sep 2026

A measurement method for ultra-wideband electromagnetic shielding effectiveness of thin materials.

Shielding effectiveness is the core metric characterizing a material's electromagnetic shielding performance. With respect to measuring shielding effectiveness for thin materials over an ultra-wide frequency range, existing methods suffer from an inherent bottleneck: they cannot achieve broadband testing that simultane...

Ling-Gang Meng, Chang-Jun Liu, Zhong-Qi He et al. · 0 citations
Oct 2026

Scalable 24-GHz Beam-Steered Wireless Power Transfer System With Multinode Coverage

A scalable 24-GHz beam-steered wireless power transfer (WPT) system is presented for spatially distributed low-power Internet of Things (IoT) nodes. The transmitter employs a unilateral phased oscillator chain (POC) architecture to generate programmable multisource phases without using RF phase shifters, enabling modul...

Qi-Zhou Che, Chang-Jun Liu, Wan-Chen Yang et al. · 0 citations

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