Electromagnetic Optimal Design and Preparation of Broadband Ceramic Radome Material with Graded Porous Structure

Provided by: EMW Publishing
Topic: Networking
Format: PDF
Silicon nitride (Si3N4) ceramic is a promising ultra-high speed (> 5 mach) broadband (1-18 GHz) radome material because of its excellent high-temperature resistance, good mechanical and dielectric properties. Si3N4 ceramics with A-sandwich wall structure are successfully applied to passive self-direction high transmission efficiency broadband radome (1-18 GHz). In this paper, a novel graded porous wall structure for broadband radome is promoted. The feasibility of using this structure is carried out by a computer aided design for the wall structure based on the microwave equivalent network method.

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