† College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065 Sichuan China ‡ College of Chemical Engineering, Sichuan ...

The mining industry relies on equipment that operates under extreme stress, encompassing heavy loads, shock vibration, ...

Abstract: Among the main problems affecting the sound pressure level (SPL) of piezoelectric microelectromechanical systems (MEMS) speakers is that the membrane vibration displacement of those with ...

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Abstract: This article investigates flexibly using mixed coupling in substrate integrated waveguide (SIW) filters to efficiently improve selectivity. To this end, a mixed coupling structure is ...