The main objective purpose of this paper is to study the enhancement techniques of the
unloaded quality factor of substrate integrated waveguide (SIW) resonator, given that the …

This paper presents a compact four-port hybrid coupler integrated in substrate waveguide
technology. The proposed coupler gives 90 degrees phase shift with equal power splitting …

This paper presents a study of various types of losses in substrate-integrated waveguides
(SIW) using a genetic algorithm. Three main types of losses are considered and examined …

This paper presents the design of wideband directional coupler with enhanced isolation
performance. Studies show that introducing the zigzag coupling releases the phase‐velocity …

The development of a slot array antenna based on Substrate Integrated waveguide (SIW)
has been carried out. The antenna, consisting of 4 rectangular slots, is designed to operate …

Abstract A Mode-Matching Technique (MMT) with Generalized Scattering Matrix Method
(GSMM) are deployed to design and analyze H-plane SIW crossover operating at 26 GHz for …

Ce m emoire traite la conception des coupleurs directionnels bicouche 3 dB/90° a base de
la technologie SIW. Pour cela, nous commen cons en premier temps a la conception et …