leaky-wave antenna structure
A Dual Beam Scanning Microstrip Antenna
... microstrip antenna is proposed in this ...conventional leaky wave antenna is the beam scanning with operating frequency ...conventional leaky wave antenna structure ...
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Design and Measurement of a Novel Seamless Scanning Leaky Wave Antenna in Ridge Gap Waveguide Technology
... waveguide leaky wave antenna has been reported in ...proposed leaky wave antenna structure is integrated into a groove gap waveguide transmission ...array antenna ...
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Leaky Wave Antenna Realization by Composite Right/Left-Handed Transmission Line
... fast wave mode and leaky wave (LW) mode, it radiates and can be used as an ...LW antenna operates at its fundamental mode, so it has small size and simple ...The wave number of the ...
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A Planar D-CRLH and its Application to Bandstop Filter and Leaky-Wave Antenna
... proposed structure has a similar dispersion diagram with balanced CRLH ...fast wave region and another part is the slow wave ...fast wave region from ...
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Analysis and design of a composite left-/right-handed leaky wave antenna based on the
... presented leaky-wave antenna is not only attractive as conformal ...aperture. Leaky-wave anten- nas belong to the traveling wave ...The wave while prop- agating along the ...
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Design Of A Novel Conformal Leaky-Wave Antenna (Clwa) On A Convex Surface For Ku Band
... traveling-wave antenna with a long radiating line-source aperture, and therefore the radiation patterns can be strongly disturbed when their longitudinal shape is conformed to curved surface ...the ...
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Design of Leaky Wave Antenna with Composite Right-/Left-Handed Transmission Line Structure for Circular Polarization Radiation
... The structure of a unit cell and the equivalent circuit of the proposed antenna are shown in ...inter-digit structure), and an inductive parallel stub with a shorted termination through a via (φ = ...
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High-isolation leaky-wave array antenna based on CRLH-metamaterial implemented on SIW with ±30o frequency beam-scanning capability at millimetre-waves
... periodic structure-based LWA can radiate in both forward and backward ...(SIW) structure that is shown to provide beam scanning from of -58° to 65° with a gain of 1 dBi [10]; (2) an interdigital-shaped ...
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Beam Scanning Microstrip Leaky Wave Antenna Design Based on Liquid Crystal
... (SIW) leaky wave antenna was presented in ...SIW leaky wave antenna has disadvantages of high cost, high profile, and complicated feeding ...SIW antenna, a beam scanning ...
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Design and Analyses of a CRLH-HMSIW-Based LWA with Low Cross-Polarization
... based leaky wave antenna (LWA) is designed and analyzed in this ...balanced structure with a beam scanning range from − 60 ◦ to +31 ◦ ...
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Dispersion Analysis of Double-Sided Open Periodic Media Using Inhomogeneous Plane Wave Excitation
... surface wave and leaky modes of the structure can be computed efficiently by utilizing an integral equation based ...evanescent wave amplification, happening in periodic structures, which is used ...
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Leaky-Wave Regimes on MEMS-Loaded Transmission Lines for MM-Wave Applications
... periodical structure, which comprises leaky-wave antenna ...the leaky wave regime with the main direction of radiation predicted in the previous section one needs the matched ...
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Small Size Dielectric Image Line Based Leaky Wave Antenna with 3 h -Shaped Patches
... The structure of the proposed antenna is described in Fig. 1, which is a periodic LWA based on DIL with small size 3 H-shaped patches periodically printed on the top surface of the DIL to realize ...
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Double-Side Radiating Leaky-Wave Antenna Based on Composite Right/Left-Handed Coplanar-Waveguide
... By the guidance of the equivalent circuit, a balanced CRLH TL structure is proposed. The dimensions of the structure are finalized using Ansoft HFSS simulation tools: T = 9.5 mm, l 1 = 2.22 mm, l 2 = 1.64 ...
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Enhancement Bandwidth of Half Width-Microstrip Leaky Wave Antenna Using Circular Slots
... 2]. Leaky wave antenna (LWA) is a promising candidate for these developing applications because of its advantages, such as wide bandwidth, low profile, easy fabrication, capability of beam scanning, ...
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Continuous Beam Scanning in Substrate Integrated Waveguide Leaky Wave Antenna
... years, leaky wave antennas (LWAs) have received great attention in applications such as radar, point to point and satellite communication systems for their high directivity and beam scanning capability ...
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Improved Composite Right/Left-Handed Cell for Leaky-Wave Antenna
... not shielded, it radiates and can be used as an antenna [1]. The wave number of the structure has both negative and positive values, so it supports scanning from backfire to endfire [2]. A cell with ...
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Dual Composite Right/Left-Handed Leaky-Wave Structure for Dual-Polarized Antenna Application
... electromagnetic wave is defined as the orientation of the electric-field ...-polarized wave, and the longitudinal slot provides the X-polarized ...direction) wave will be produced for the proposed LW ...
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Leaky wave antenna with amplitude controlled beam steering based on composite right/left-handed transmission lines
... An antenna comprising two different compos- ite right/left-handed transmission line structures is proposed which enables easy beam steering at an operation frequency of 10 ...different leaky wave ...
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Complementary Split Ring Resonator Loaded Substrate Integrated Waveguide Leaky Wave Antenna
... LWA structure based on complementary split ring resonators (CSRRs) etched on the top of an SIW is ...SIW structure with an equivalent effective negative constituent meta-surface can be ...designed ...
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