leaky wave antenna design
Beam Scanning Microstrip Leaky Wave Antenna Design Based on Liquid Crystal
... the antenna patch width brought by the terminal opening effect, and y w is the radiation ...the antenna radiation direction are radiation patch width W , relative permittivity ε r , dielectric substrate ...
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Microstrip Leaky Wave Antenna Design For WLAN Application
... non-resonant and so are capable of wide band performance and, in addition, the main beam can be scanned by changing frequency. For these reasons, of late, they have attracted a lot of attention, especially for airborne ...
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Leaky Wave Antenna Realization by Composite Right/Left-Handed Transmission Line
... Abstract—This paper presents a realization of composite right/left handed transmission lines using coupled microstrip lines. This structure exploits the advantages of the microstrip lines, while increases the coupling by ...
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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 Figs. 1(a) and 1(b), respectively. The unit cell consists of a ground plane, a dielectric, a feeding microstrip line, ...
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A Dual Beam Scanning Microstrip Antenna
... directional antenna and multi-beam antenna play important roles ...a leaky wave antenna becomes a suitable candidate in these ...microstrip leaky wave antenna only ...
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Design of leaky-wave antennas with transverse slots for end-fire radiation with optimized radiation efficiency
... slow wave region the leaky-wave becomes unphysical and also the excitation of the surface wave mode drops down strongly beyond the ordinary end-fire ...the leaky-wave is ...
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Novel Composite Right/Left-Handed Leaky-Wave Antennas Based on the Folded Substrate-Integrated-Waveguide Structures
... facilitates design of the desired radiation-aperture distribution such as Taylor distribution along the leaky-wave antenna so as to obtain high directive beam with very low side-lobe level ...
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Small Size Dielectric Image Line Based Leaky Wave Antenna with 3 h -Shaped Patches
... proposed antenna works with n = − 1 order mode in the fast-wave ...proposed antenna is about ...The antenna has good radiation performance with wide scanning region and stable ...proposed ...
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Leaky-Wave Regimes on MEMS-Loaded Transmission Lines for MM-Wave Applications
... new design solution for transmission lines operating in leaky-wave regime as a scanning leaky-wave radiating ...backward leaky waves in the balanced regime (no stop-band at the ...
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Improved Composite Right/Left-Handed Cell for Leaky-Wave Antenna
... Abstract—An improved composite right/left-handed (CRLH) unit cell optimized for a leaky-wave (LW) antenna is presented. This CRLH cell consists of a series of one transmission line, an interdigital ...
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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
... array antenna based on SIW is compared with the recent works employing various mutual coupling suppression ...array antenna presented here has the advantage of (i) symmetry; (ii) very wide bandwidth from 55 ...
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400 GHz 1.3 dBi Leaky Wave Antenna in CMOS 1.3 um Process
... the perforated microstrip to improve the unit cell design. The extracted results also assist in realizing the differential feeding network to excite the leaky mode of the proposed antenna in high ...
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A Compact Dual Resonant Leaky Wave Rectangular Dielectric Resonator Antenna (LWRDRA) With Extended Bandwidth
... proposed design uses a substrate of relative permittivity ...proposed antenna is presented in 3D view. The proposed First Antenna is shown in ...second antenna design the perturbation ...
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Dual Composite Right/Left-Handed Leaky-Wave Structure for Dual-Polarized Antenna Application
... (D-CRLH) leaky-wave (LW) structure for dual-polarized antenna application is ...dual-polarized antenna consists of a two-section 3-dB rat-race hybrid and two symmetrical substrate integrated ...
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Design and Analyses of a CRLH-HMSIW-Based LWA with Low Cross-Polarization
... Abstract—A composite right/left-handed (CRLH) half mode substrate integrated waveguide (HMSIW) based leaky wave antenna (LWA) is designed and analyzed in this paper. Equivalent circuit of the unit ...
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Enhancement Bandwidth of Half Width-Microstrip Leaky Wave Antenna Using Circular Slots
... proposed antenna has generally high radiation efficiency, and the main beam can scan continuously in a forward direction by changing only the operating ...This design uses two circular slots close to the feed ...
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Continuous Beam Scanning in Substrate Integrated Waveguide Leaky Wave Antenna
... The initial design of the proposed LWA starts with the design of the unit cell. The unit cell of the periodic LWA consists of two parts; SIW and the cross slots. For the resonator, the cross slot is etched ...
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Highly Directive Hybrid Plasmonic Leaky Wave Optical Nano-Antenna
... the design parameters, one can make the wavenumber of some of these modes to be smaller than the wavenumber of the surrounding media (Air in this ...are leaky modes and makes the radiation beam. Here, the ...
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Design and Measurement of a Novel Seamless Scanning Leaky Wave Antenna in Ridge Gap Waveguide Technology
... Leaky wave antenna (LWA) has exhibited attractive advantages in wide ranges such as broadband wireless communication, collision-avoidance radar, frequency modulated continuous wave radar, and ...
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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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