Results 171 to 180 of about 4,588 (212)

Ground coplanar waveguide to rectangular waveguide transition

2009 IEEE Antennas and Propagation Society International Symposium, 2009
The ever-increasing interest towards microwave and millimeter-wave monolithic integrated circuits has led to employing coplanar waveguide (CPW) due to its many advantages such as compact size and capability to incorporate shunt and series elements without the need to process backside and integrate via holes.
M. Vahidpour, K. Sarabandi
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Rectangular waveguide devices

1987
The general theory of transversely magnetised ferrite in rectangular waveguide is given in Chapter 6. In particular, Fig. 6.1 shows the planes where the magnetic field in the rectangular waveguide is circularly polarised in a plane parallel to the broad face of the waveguide.
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Doubly periodic rectangular waveguide

Microwave and Optical Technology Letters, 2006
AbstractBased on Floquet theorem and Maxwell's equations, the governing five‐term recurrence relation is derived for doubly periodic (DP) waveguide. Its dispersion curve is calculated. Schemes to realize DP waveguide are discussed. Measured date on a model are introduced to establish the proposed concept and the dual‐mode characteristics of DP ...
Tian‐lin Dong, Ping Chen
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Multimode Analysis of Rectangular Waveguide Transitions

15th European Microwave Conference, 1985, 1985
A method is presented to calculate the multimode scattering matrix of a continuous tapered rectangular waveguide transition. The method is based on approximating the transition by cascaded uniform waveguide sections, determining the scattering matrices of their junctions by a mode-matching method, and combining the matrices to yield the overall ...
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Miniaturized synthetic rectangular waveguide

IEEE MTT-S International Microwave Symposium Digest, 2003, 2003
An artificially engineered, dielectric-filled rectangular waveguide is presented. Such a synthetic waveguide, made by a conventional printed-circuit board (PCB) process, consists of two-dimensional periodical arrays at the top and bottom surfaces and two metallic sidewalls.
null Hsien-Shun Wu, C.-K.C. Tzuang
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Analysis of a rectangular waveguide isolator

Journal of Lightwave Technology, 1983
Isolator conditions are derived for a rectangular waveguide in which magneto-optical and anisotropic dielectric crystals are integrated for reciprocal and nonreciprocal E^{x}-E^{y} mode conversion functions, respectively. Relations between structural parameters are derived by perturbation analysis, and design examples of single-mode isolators with 3.6-,
M. Tateda, T. Kimura
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Inductive Post Arrays in Rectangular Waveguide

Bell System Technical Journal, 1978
Summary: Previous attempts, based on mode-matching techniques, to obtain precise data for the equivalent circuit of inductive post arrays in rectangular waveguide have consistently failed due to convergence problems. A different formulation is presented for symmetrical post arrays, which is shown to be free from this defect.
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Rectangular waveguide characterization for reflectometry

IEEE Transactions on Instrumentation and Measurement, 1988
Simple first-order correction formulas are developed to describe the combined effect of wall distortion and wall loss on the propagation constant and normalized impedance of nominally rectangular waveguides intended for use in reflectometry. A simple method of measuring the propagation constant at a single frequency is described, resulting in practical
J.D. Hunter, P.I. Somlo
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Modes of crossed rectangular waveguide

IEEE Transactions on Antennas and Propagation, 1976
The cutoff frequencies and modal fields of dually polarized crossed rectangular waveguide are calculated numerically and the cutoff frequencies verified experimentally. Symmetry arguments and group theory are used to explain mode degeneracies and mode splitting. The single mode bandwidth is 38 percent of center frequency for both polarizations when the
H. Stalzer, M. Greenman, F. Willwerth
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Corrugated Rectangular Waveguides: Composite Right-/Left-Handed Metaguides

2009
Metamaterial transmission lines were recently introduced as structures supporting left-hand (LH) propagation in addition to the conventional right-hand propagation. Realizations and applications for composite right-/left-handed transmission lines were surveyed. Examining the LH propagation phenomena in these structures is thus in order.
Ahmed Kishk, Alexander Yakovlev, Allen Glisson, Islam Eshrah   +3 more
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