Journal ArticleDOI
Theoretical and Experimental Study of a Novel H-Guide Transverse Slot Antenna (Short Papers)
M. Kisliuk,A. Axelrod +1 more
TLDR
In this article, a new theoretical approach to the analysis of a single-slot antenna is presented, leading to explicit expressions for the antenna input impedance and radiation efficiency, which are in good agreement with laboratory measurements.Abstract:
Transverse slots in the "upper" plate of a dielectric-loaded parallel plane waveguide (H-guide) operating in the dominant mode (zero cutoff frequency) are proposed as slot antennas. A new theoretical approach to the analysis of a single-slot antenna is presented, leading to explicit expressions for the antenna input impedance and radiation efficiency. The computed values of the VSWR and radiation efficiency are in good agreement with laboratory measurements. The radiation efficiency of a single slot exceeds 10 percent in the 8-11-GHz frequency band, reaching a 50-percent theoretically predicted maximum at the slot resonance frequency, when the guide is terminated by a matched load. Experimental checks prove that the leakage, or parasitic, radiation power level is less than -40 dB relative to the measured radiated power.read more
Citations
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Journal ArticleDOI
Wideband Bezier curve shaped microstrip to H-guide transition
TL;DR: In this article, a wideband, low-loss, equal phase front Bezier curve shaped transition between a microstrip line and an H-guide embedded into a dielectric substrate is presented.
Journal ArticleDOI
Spectral-domain Green's function of magnetic type for NRD guides and H-guides
TL;DR: In this paper, an efficient programmable full-wave Green's function, due to a magnetic-current element placed inside the dielectric layer, is derived in the spectral domain.
Proceedings ArticleDOI
Uncovered leakage phenomenon in H-guide slot antenna
TL;DR: In this paper, the authors applied the moment method to analyze the characteristics of a transverse slot in the upper plate of an H-guide operating in the dominant mode, where the wall thickness was taken into consideration.
Proceedings ArticleDOI
Gapped radial H-Guide Aperture Antenna
TL;DR: In this article, a new H-guide antenna has been presented and the obtained results show that the proposed antenna can achieve approximately 12.0 dBi of gain at 9 GHz and has acceptable return loss from 8 to 10 GHz.
Journal ArticleDOI
Radiation and leakage characteristics of transverse slot in NRD-guide operating in LSE/sub 00/ mode
TL;DR: In this article, a transverse slot in the upper plate of a nonradiative dielectric guide operating in the dominant LSE/sub 00/mode has been analyzed.
References
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Journal ArticleDOI
Theory of Slots in Rectangular Wave‐Guides
TL;DR: In this paper, a basic theory of slots in rectangular wave-guides is given, and detailed formulae for the reflection and transmission coefficients and for the voltage amplitude in the slot generated by a given incident wave are given.
Journal ArticleDOI
Slot Line on a Dielectric Substrate
TL;DR: In this paper, a second-order analysis yields formulas for slot-line wavelength, phase velocity, group velocity, characteristic impedance, and effect of adjacent electric and magnetic walls, which can be used either alone or with microstrip line on the opposite side of the substrate.
Journal ArticleDOI
On the stored energy of planar apertures
TL;DR: In this article, it was shown that the only physically observable part of the volume integrals is twice that produced in the invisible region of the pattern space factor by those field components that vanish in the plane outside of the aperture.
Journal ArticleDOI
Propagation in a Dielectric-Loaded Parallel Plane Waveguide
TL;DR: In this paper, a theoretical analysis of wave propagation in a parallel plane waveguide partially filled with a dielectric slab is performed, and the results show that TEM and TM modes cannot propagate on this structure.
Journal ArticleDOI
Propagation and attenuation in the double-strip H guide
R.F.B. Conlon,F.A. Benson +1 more
Abstract: A general analysis of the double-strip H guide structure is presented. Comprehensive information about the field components and characteristic equations of each mode are given. The attenuation coefficients for one class of modes are derived and are compared with those for dominant-mode rectangular waveguide and the single-strip H guide.
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