Modeling of Rectangular Waveguide Junctions Containing Cylindrical Posts

Sabbagh, Mahmoud El; Zaki, K.A.

doi:10.2528/pier01022603

Cited by 21 publications

(18 citation statements)

References 22 publications

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“…Relations of continuity (16) allows amplitudes (V n ; I n ) to be defined in z = 0. A numerical integration leads to the amplitudes (V n ; I n ) in z = l. Relations of continuity (17) give the generalized voltages W The fourth order Runge-Kutta's method is chosen for numerical integrations from w = z = 0 to w = z = l. In references [2,3], we have shown that the amplitudes (V n ; I n ) and (V * n ; −I * n ) are solution of system (41). Using this property, we determine the multimodal scattering matrix with only N numerical integrations.…”

Section: Initial Value Problemmentioning

confidence: 99%

Telegraphist's Equations for Rectangular Waveguides and Analysis in Nonorthogonal Coordinates

Dusséaux¹,

Faure²

2008

PIER

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Abstract-In our previous works, we have presented one differential method for the efficient calculation of the modal scattering matrix of junctions in rectangular waveguides. The formalism proposed relies on the Maxwell's equations under their covariant form written in a nonorthogonal coordinate system fitted to the structure under study. On the basis of a change of variables, we show in this paper that the curvilinear method and the generalized telegraphist's method lead to the same system of coupled differential equations.

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Section: Initial Value Problemmentioning

confidence: 99%

Telegraphist's Equations for Rectangular Waveguides and Analysis in Nonorthogonal Coordinates

Dusséaux¹,

Faure²

2008

PIER

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“…To reach this goal, several solutions have been proposed in the technical literature in the past few years, thus giving rise to the so-called compensated turnstile junctions. Different compensation techniques have also been applied recently to the optimization of other multiport waveguide junctions, such as crossed waveguide junctions, T-junctions, right-angled bends and magic tees [5,6].…”

Section: Introductionmentioning

confidence: 99%

Full-Wave Analysis and Design of Broadband Turnstile Junctions

San-Blas¹,

Pérez²,

Gil³

et al. 2011

PIER Letters

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Abstract-The efficient design of broadband turnstile junctions compensated with piled-up cylindrical metallic posts is discussed in this contribution. Very high relative bandwidths can be obtained, while maintaining the diameter of the input circular access port lower than the width of the rectangular waveguide ports, thus reducing the number of excited higher order circular waveguide modes. A novel full-wave analysis tool has also been implemented in order to reduce the CPU effort related to the complete design process.

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“…The correct analysis and design of these circuits is of great importance for many applications such as satellite and wireless communication systems [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

A Hybrid Multimode Contour Integral Method for Analysis of the H-Plane Waveguide Discontinuties

Banai¹,

Hashemi²

2008

PIER

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Abstract-A hybrid method is introduced for analysis of the H-plane waveguide discontinuities. It combines multimode contour integral and mode matching techniques. The process is based on dividing the circuit structure into key building blocks and finding the multimode scattering matrix of each block individually. The multimode scattering matrix of the whole structure can be found by cascading these blocks. Also contour integral method is developed for analysis of multi-media circuits. Therefore, it is possible to analyze H-plane waveguide filters with dielectric resonators using this method. The accuracy and run time of the purposed method is compared with those reported in literatures and/or Ansoft HFSS software.

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Modeling of Rectangular Waveguide Junctions Containing Cylindrical Posts

Cited by 21 publications

References 22 publications

Telegraphist's Equations for Rectangular Waveguides and Analysis in Nonorthogonal Coordinates

Telegraphist's Equations for Rectangular Waveguides and Analysis in Nonorthogonal Coordinates

Full-Wave Analysis and Design of Broadband Turnstile Junctions

A Hybrid Multimode Contour Integral Method for Analysis of the H-Plane Waveguide Discontinuties

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