Read e-book online Analysis and Design of Substrate Integrated Waveguide Using PDF

Read e-book online Analysis and Design of Substrate Integrated Waveguide Using PDF

By Xuan Hui Wu, Ahmed A. Kishk

ISBN-10: 1598299026

ISBN-13: 9781598299021

Substrate built-in waveguide (SIW) is a brand new form of transmission line. It implements a waveguide on a section of published circuit board by way of emulating the part partitions of the waveguide utilizing rows of steel posts. It inherits the benefits either from the microstrip for compact measurement and straightforward integration, and from the waveguide for low radiation loss, and therefore opens one other door to layout effective microwave circuits and antennas at a low in cost. This e-book provides a two-dimensional fullwave research option to examine an SIW circuit composed of steel and dielectric posts. It combines the cylindrical eigenfunction growth and the strategy of moments to prevent geometrical descritization of the posts. the strategy is gifted step by step, with the entire priceless formulations supplied for a practitioner who desires to enforce this technique through himself. This ebook covers the SIW circuit published on both homogeneous or inhomogeneous substrate, the microstrip-to-SIW transition and the speed-up procedure for the simulation of symmetrical SIW circuits. forms of SIW circuits are proven and simulated utilizing the proposed technique. moreover, a number of slot antennas and horn antennas fabricated utilizing the SIW know-how also are given. desk of Contents: creation / SIW Circuits Composed of steel Posts / SIW Circuits with Dielectric Posts / Even-Odd Mode research of a Symmetrical Circuit / Microstrip to SIW Transition and part Mode SIW / SIW Antennas

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Read Online or Download Analysis and Design of Substrate Integrated Waveguide Using Efficient 2D Hybrid Method (Synthesis Lectures on Computational Electromagnetics) PDF

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Extra resources for Analysis and Design of Substrate Integrated Waveguide Using Efficient 2D Hybrid Method (Synthesis Lectures on Computational Electromagnetics)

Example text

A is the phase constant in cylinder A, and bm,A are unknown coefficients. Note that the expansion order m is truncated from −MA to MA for practical computation. 1), but replace all the subscripts A by C as MC ECz = bm,C Jm (βC ρC ) exp(j mφC ). 3) κ={C,Q} m=−Mκ where the field due to cylinder B is expanded using Bessel functions while those due to the cylinders C and Q are expanded using Hankel functions of the second kind. 3), ρB and φB are the local coordinates of cylinder B, ρκ and φκ are those of cylinder κ where κ represents C or Q, and βB is the phase constant in the medium of cylinder B.

For a 2N-port symmetrical circuit as shown in Fig. 8) Rn PMC ⎪ PEC ⎪ ⎩Smn = Sm n = (S − Smn )/2 Rm mn where the mth port and the nth port are located at the same side of the symmetry wall, and the n th port is symmetrical to the nth port. Therefore, the analysis of a symmetrical circuit can be decomposed into the analyses of two half circuits. The method presented in Chapters 2 and 3 can be further generalized to deal with the symmetry walls. 2 HALF CIRCUIT WITH PMC SYMMETRY WALL A typical half SIW circuit with PMC symmetry wall is shown in Fig.

2, Vne− is that at the nth port for the even mode excitation shown in Fig. 3(a), and Vno− is that at the same port for the odd mode excitation shown in Fig. 3(b). 1) gives ⎧ ⎪ ⎪ S11 ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎨S21 ⎪ ⎪ ⎪ S31 ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩S 41 = = = = V1e− + V1o− v R1 V2e− + V2o− R2 v R1 V3e− + V3o− v R3 R1 V4e− + V4o− . 3) Due to the symmetry of the circuit and the in-phase excitation of Port 1 and Port 3 in Fig. 3(a), it is expected that V3e− = V1e− and V4e− = V2e− . Similarly, due to the symmetry of the circuit and the out-of-phase excitation of Port 1 and Port 3 in Fig.

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Analysis and Design of Substrate Integrated Waveguide Using Efficient 2D Hybrid Method (Synthesis Lectures on Computational Electromagnetics) by Xuan Hui Wu, Ahmed A. Kishk


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