• No results found

single-circular array antenna

A Very Compact Circular Adaptive Array for New Generation Mobile Commercial Receivers

A Very Compact Circular Adaptive Array for New Generation Mobile Commercial Receivers

... the single elements that consti- tute the system ...phased array steers toward the desired direction ...an antenna, which they labelled “Clever Dumb Antenna” in reference to its ability to ...

7

A Multi-Objective Memetic Optimization Approach to the Circular Antenna Array Design Problem

A Multi-Objective Memetic Optimization Approach to the Circular Antenna Array Design Problem

... such single objective functions often consist of conflicting components and hence it is preferable to generate a set of optimal solutions instead of a single one and employ a knowledgeable decision maker to ...

18

Side Lobe Level Reduction in Circular Antenna Array Using DE Algorithm

Side Lobe Level Reduction in Circular Antenna Array Using DE Algorithm

... A single antenna cannot fulfill all te requirements during long distance communication, since its directivity, side lobe level and other factors may not be as per the ...an antenna array. The ...

5

A Survey of Array Antenna on Application to Wireless Communication

A Survey of Array Antenna on Application to Wireless Communication

... the array feed such that the array is capable of scanning its main beam in the principal planes to relatively wide angles from its broadside direction without serious degradation to its CP ...arranged ...

5

Source Location Estimation Using Phaseless Measurements with the Modulated Scattering Technique for Indoor Wireless Environments

Source Location Estimation Using Phaseless Measurements with the Modulated Scattering Technique for Indoor Wireless Environments

... as array elements ...a circular rim and one dipole antenna which has omnidirectional radiation pattern in the azimuth ...dipole antenna that has a photodiode which is loaded at the center of ...

16

Analysis of Ten Concentric Circular Ring Antenna Array for Radar and Wireless Applications

Analysis of Ten Concentric Circular Ring Antenna Array for Radar and Wireless Applications

... A single radiating element is considered ten-concentric ring ...ring array. The radiation patterns of linear concentric ring array is product of ten-concentric ring array patterns with uniform ...

8

Antenna Array Using Non-Identical Truncated Circular Elements for FSLL Reduction

Antenna Array Using Non-Identical Truncated Circular Elements for FSLL Reduction

... Figure 2(a) gives some of the truncation levels used to convert an inset fed CMSA to various truncated elements up to a Semi-Circular Microstrip Antenna (SCMSA), and Figure 2(b) gives the layout of the ...

9

Design and Simulation of Microstrip Phase Array Antenna using Circular Patches

Design and Simulation of Microstrip Phase Array Antenna using Circular Patches

... a single element is relatively wide, and each element provides low values of directivity ...the antenna [8]. Enlarging the dimensions of single elements often leads to more directive ...the ...

6

A Comparison of Genetic Algorithms, Particle Swarm Optimization and the Differential Evolution Method for the Design of Scannable Circular Antenna Arrays

A Comparison of Genetic Algorithms, Particle Swarm Optimization and the Differential Evolution Method for the Design of Scannable Circular Antenna Arrays

... of circular arrays, it has been considered the pattern analysis [23], and the pattern synthesis [24–26] of arrays with uniform ...non-uniform circular arrays optimizing a single objective for side ...

16

Wide Band L-Probe Fed Circular Patch Antenna with Elliptical Parasitic Patch and Two Elements Array

Wide Band L-Probe Fed Circular Patch Antenna with Elliptical Parasitic Patch and Two Elements Array

... patch antenna has a circular shape main patch close to L-probe fed and two elliptical shape patches on a PCB’s top and bottom ...elevated single element antenna structure and its different ...

9

Frequency Domain Nlms Algorithm for Enhanced Jam Resistant GPS Receiver

Frequency Domain Nlms Algorithm for Enhanced Jam Resistant GPS Receiver

... (w), where u(t) is the desired signal. The weights are adjusted such that the mean squared error (MSE) between the array output and the reference signal is minimized. The expression for squared error is e 2 (t) = ...

10

An Inexpensive Reconfigurable Planar Array for Wi-Fi Applications

An Inexpensive Reconfigurable Planar Array for Wi-Fi Applications

... the antenna with an high degree of accuracy and to take into account the presence of the dielectric substrate and all the different components of the antenna ...the antenna, and the electromagnetic ...

11

Design of a circular fractal antenna for satellites applications

Design of a circular fractal antenna for satellites applications

... the antenna, satisfying the requirements to satellite communication besides reducing the owever, such alterations, according to Anatel’s catalog, provided the antenna with three of the four tune bands ...

5

Left-handed metamaterial incorporated with microstrip antenna

Left-handed metamaterial incorporated with microstrip antenna

... Microstrip antenna suffered low ...using array of patch ...microstrip antenna will increased the gain of the microstrip ...the antenna that integrates with the Left Handed Metamaterial ...

34

Dual-Band Circular Polarized Slot Array Antenna in Substrate Integrated Waveguide Using Two Propagation Modes for Communication Satellites Transceivers

Dual-Band Circular Polarized Slot Array Antenna in Substrate Integrated Waveguide Using Two Propagation Modes for Communication Satellites Transceivers

... In the proposed approach, to obtain two frequency-independent groups of slots, it is necessary to propagate several modes along the SIW. Whereas cavity resonators are usually designed for multi- frequency radiators [10, ...

7

Effect of Varying Curvature and Inter Element Spacing on Dielectric Coated Conformal Microstrip Antenna Array

Effect of Varying Curvature and Inter Element Spacing on Dielectric Coated Conformal Microstrip Antenna Array

... patch antenna array, a special care must be taken regarding the placement of elements and curvature ...two-element antenna array ...conformal antenna array by varying its inter ...

9

An RFID Directional Antenna for Location Positioning

An RFID Directional Antenna for Location Positioning

... scanning array antenna for RFID systems is presented in this ...by antenna by 40%. While commonly used array antennas support scanning over just one plane, the implemented antenna can ...

74

Survey on Various Types of Noise and Methods for Noise Removal

Survey on Various Types of Noise and Methods for Noise Removal

... The algorithms that have retained our attention are MUSIC and Capon for estimating DOA, LMS and MVDR for beamforming. Nevertheless all these algorithms admit variants and acceptable results according to study parameters ...

12

A Fourier Phase Mode Approach for Chebyshev Pattern Synthesis in Circular Antenna Array

A Fourier Phase Mode Approach for Chebyshev Pattern Synthesis in Circular Antenna Array

... the antenna array must contain at least 2 P elements in order to reproduce the same desired pattern ...a circular array with 7 phase modes and 12 elements is much more similar to the desired ...

10

Review of Circularly Polarized Microstrip Antennas for RFID Application

Review of Circularly Polarized Microstrip Antennas for RFID Application

... Designed antenna is fed by two probes which are connected to a hybrid ...the antenna. The antenna is composed of a branch line hybrid coupler which is etched on an FR4 substrate (εr = ...mismatched ...

8

Show all 10000 documents...

Related subjects