• No results found

Leaky Wave Antennas

Novel Composite Right/Left-Handed Leaky-Wave Antennas Based on the Folded Substrate-Integrated-Waveguide Structures

Novel Composite Right/Left-Handed Leaky-Wave Antennas Based on the Folded Substrate-Integrated-Waveguide Structures

... the leaky-wave antenna so as to obtain high directive beam with very low side-lobe level ...CRLH leaky- wave antennas, the radiation capability is directly associated with the CRLH ...

14

Design of leaky-wave antennas with transverse slots for end-fire radiation with optimized radiation efficiency

Design of leaky-wave antennas with transverse slots for end-fire radiation with optimized radiation efficiency

... Leaky-wave antennas in SIW-technology with transverse slots are a good candidate, if a frequency scanning capability up to end-fire and a cheap fabrication is ...slow wave region the ...

5

Novel dispersion representation of rectangular dielectric guides with application to leaky wave antennas

Novel dispersion representation of rectangular dielectric guides with application to leaky wave antennas

... It soon becomes clear which terms are important in this field: transverse and longitudinal propagation constants, wavenumbers, decay constant, leakage constant, attenuation constant, pha[r] ...

321

Design Of A Novel Conformal Leaky-Wave Antenna (Clwa) On A Convex Surface For Ku Band

Design Of A Novel Conformal Leaky-Wave Antenna (Clwa) On A Convex Surface For Ku Band

... Leaky wave antennas (LWA) are antennas with a wide- band microwave that emit a narrow beam in which the direction can be altered by minor deviation in its operating ...array antennas ...

5

Continuous Beam Scanning in Substrate Integrated Waveguide Leaky Wave Antenna

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 ...

10

Design and Analyses of a CRLH-HMSIW-Based LWA with Low Cross-Polarization

Design and Analyses of a CRLH-HMSIW-Based LWA with Low Cross-Polarization

... years, leaky wave antenna (LWA) has received considerable attentions in radar systems and satellite communication fields for its frequency-scanning capability and wide bandwidth feature ...of leaky ...

6

Beam Scanning Microstrip Leaky Wave Antenna Design Based on Liquid Crystal

Beam Scanning Microstrip Leaky Wave Antenna Design Based on Liquid Crystal

... reconfigurable antennas [4], phase shifters [5], and filters ...(SIW) leaky wave antenna was presented in [8]. Generally, an SIW leaky wave antenna has disadvantages of high cost, high ...

6

A Novel Microstrip Antenna Array with Metamaterial-Based Electronic Beam Steering at 2.4 GHz

A Novel Microstrip Antenna Array with Metamaterial-Based Electronic Beam Steering at 2.4 GHz

... steering antennas based on active devices have been introduced, having used technologies such as electronically tunable impedance surface, electronically controlled transmission line, and microelectromechanical ...

16

Double-Side Radiating Leaky-Wave Antenna Based on Composite Right/Left-Handed Coplanar-Waveguide

Double-Side Radiating Leaky-Wave Antenna Based on Composite Right/Left-Handed Coplanar-Waveguide

... A Leaky-wave antenna is a radiating transmission line (TL) structure, either in uniform or periodic configurations, which have been widely studied and found a variety of applications ...uniform ...

9

Complementary Split Ring Resonator Loaded Substrate Integrated Waveguide Leaky Wave Antenna

Complementary Split Ring Resonator Loaded Substrate Integrated Waveguide Leaky Wave Antenna

... dielectric wave- guide is introduced to obtain low side lope level ...SIW leaky-wave antennas are proposed in ...slot leaky-wave antenna is an ex- ample of SIW leaky ...

11

Leaky wave antenna with amplitude controlled beam steering based on composite right/left-handed transmission lines

Leaky wave antenna with amplitude controlled beam steering based on composite right/left-handed transmission lines

... In order to design leaky wave antennas with predefined be- haviour, guiding structures with certain dispersion character- istics are required. A very powerful approach to accomplish this are periodic ...

6

Leaky-Wave Regimes on MEMS-Loaded Transmission Lines for MM-Wave Applications

Leaky-Wave Regimes on MEMS-Loaded Transmission Lines for MM-Wave Applications

... controllable leaky wave modes in various planar transmission lines operating at millimetre ...wavelengths. Leaky wave regime is achieved by exploitation of periodic ...scanning ...

15

Highly Directive Hybrid Plasmonic Leaky Wave Optical Nano-Antenna

Highly Directive Hybrid Plasmonic Leaky Wave Optical Nano-Antenna

... Abstract—A novel traveling-wave hybrid plasmonic optical antenna is proposed for operation at the standard telecommunication wavelength of 1550 nm and with the frequency bandwidth of more than 16 THz. A highly ...

6

Design and Measurement of a Novel Seamless Scanning Leaky Wave Antenna in Ridge Gap Waveguide Technology

Design and Measurement of a Novel Seamless Scanning Leaky Wave Antenna in Ridge Gap Waveguide Technology

... waveguide leaky wave antenna has been reported in [23]. The proposed leaky wave antenna structure is integrated into a groove gap waveguide transmission ...

11

Synthesis of Superconducting Circular Antennas Placed on Circular Array Using a Particle Swarm Optimisation and the Full-Wave Method

Synthesis of Superconducting Circular Antennas Placed on Circular Array Using a Particle Swarm Optimisation and the Full-Wave Method

... circular antennas mounted on circular array is designed by the combination of a method based on particle swarm and a full-wave ...Full- wave method is used for computing the resonant frequency, ...

17

An Overview on Defected Ground Structure

An Overview on Defected Ground Structure

... Periodic structures such as PBG and DGS for planar transmission lines have drawn a wide interest for their extensive applicabilities in antennas and microwave circuits. Transmission lines with a periodic structure ...

17

Dual Composite Right/Left-Handed Leaky-Wave Structure for Dual-Polarized Antenna Application

Dual Composite Right/Left-Handed Leaky-Wave Structure for Dual-Polarized Antenna Application

... Abstract—An effective development of a dual composite right/left- handed (D-CRLH) leaky-wave (LW) structure for dual-polarized antenna application is presented. The dual-polarized antenna consists of a ...

9

A New Quassi Yagi Uda Antenna for Millimeter Wave Applications at 60 GHz

A New Quassi Yagi Uda Antenna for Millimeter Wave Applications at 60 GHz

... the antennas in the millimeter wave band for high speed wireless communication has significantly ...RF wave in this band the antennas design becomes an important parameter to ensure the high ...

7

High-isolation leaky-wave array antenna based on CRLH-metamaterial implemented on SIW with ±30o frequency beam-scanning capability at millimetre-waves

High-isolation leaky-wave array antenna based on CRLH-metamaterial implemented on SIW with ±30o frequency beam-scanning capability at millimetre-waves

... metamaterial leaky-wave antenna (MTM-LWA) used in the construction of a 1 × 2 array which is implemented using substrate-integrated waveguide (SIW) technology for millimetre-wave beamforming ...

15

Diamond heat sinking of terahertz antennas for continuous-wave photomixing

Diamond heat sinking of terahertz antennas for continuous-wave photomixing

... interdigitized antennas with a finger spacing between ...our antennas, a quadratic behavior of photocur- rent versus voltage is the typical behavior already at low bias fields, including commercial samples ...

7

Show all 10000 documents...

Related subjects