[PDF] Top 20 Pattern Optimization in an UWB Spiral Array Antenna
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Pattern Optimization in an UWB Spiral Array Antenna
... the array directivity and FBR of the proposed spiral array ...radiation pattern through array frequency ...the array antenna with three rectangular metamaterial cover, the ... See full document
15
An UWB Microstrip Antenna Array with Novel Corporate-Fed Structure
... wireless UWB communication technology, UWB antenna has attracted much attention and shows its ...planar UWB antenna, such as the monopole, spiral antenna, tapered slot ... See full document
6
UWB with Gain Enhancement Archimedean Spiral Microstrip serial Array Antennas for On-board Satellite Communications
... Spiral antenna is widely used in satellite communications due to its wide band frequency response, the circular polarization, and the directive beam ...the spiral radiating elements provides the ... See full document
7
Antenna Array Pattern Synthesis and Wide Null Control Using Enhanced Particle Swarm Optimization
... Adaptive wide nulling for broad-band interference suppression is achieved by perturbing the current weights of array elements. Simultaneously, it is always desirable to keep the main beam width (directivity) and ... See full document
15
A Linear Mutually Coupled Parallel Dipole Antenna Array Failure Correction Using Bat Algorithm
... other optimization techniques (BBO, DE, GA) are observed and compared as shown in Figure ...different optimization techniques, which indicates that the bat algorithm provides more accurate results than other ... See full document
10
Dual Band-Notched UWB Antenna Based on Spiral Electromagnetic-Bandgap Structure
... the antenna terminals by using an Agilent N4433A electronic calibration module, and the transmitting power was set to 0 ...reference antenna keep smooth over the entire UWB ...radiation ... See full document
17
Linear Antenna Array Design with Use of Genetic, Memetic and Tabu Search Optimization Algorithms
... radiation pattern with the prescribed nulls to the interference directions while at the same time controlling the side lobe level, and nulling ...linear array geometry, by designing the spacings between the ... See full document
10
A Novel Smart UWB Antenna Array Design by PSO
... Particle swarm optimizer algorithm (PSO) is a new technology in evolution computing. The method was originally proposed by Kenney and Eberhart as an optimization method in 1995 [9]. It is a population- based ... See full document
13
The Multi-Objective Optimization of Non-Uniform Linear Phased Arrays Using the Genetic Algorithm
... The optimization of the positions of the elements in the array to meet the goals given with (6) and (7) is performed by the ...unconstrained optimization problems that is based on natural selection, ... See full document
17
PSO-Based Fast Optimization Algorithm for Broadband Ayyray Antenna by Using the Cubic Spline Interpolation
... for optimization. The radiation pattern of the starting and ending frequency are depicted in ...optimized array antenna has a radiation pattern with 60 ◦ HPBW and the main lobe ... See full document
9
Null Steering In Phased Antenna Array System Using Amplitude Only GA and PSO Palak N. Patel 1, Rizwan Alad2 , Ashish Pandya 3, Prarthan Mehta4
... phased array antenna is used for synthesizing the array pattern with enforcing nulls in the direction of interference while simultaneously preserving the main beam in the direction of the ... See full document
8
A Pattern Synthesis Method for Large Planar Antenna Array
... the array excitation quickly, the initial population for DES is generated by ...the optimization efficiency ...between antenna elements is also ...large antenna array synthesis ... See full document
10
Expansion of a Y Shaped Antenna Array and Optimization of the Future Antenna Array in Malaysia for Astronomical Applications
... Astronomical observations benefit from arrays that can achieve high resolution with low SLLs , smooth linear ridges, and good u-v plane coverage. The aim of the study was to extend such an array to optimize the ... See full document
21
Bit Error Rate Reduction for Multiusers by Smart UWB Antenna Array
... and Rx2 are 2.01 ns and 5.63 ns, respectively. Fig. 6 shows the BER V.S. SNR for Scenario I using three different kinds of transmitters. Here, SNR is defined as the ratio of the average transmitting power to the noise ... See full document
14
Design of a UWB Combined Antenna and an Array of Miniaturized Elements with and Without Lens
... an array of wideband combined antenna elements is ...horn antenna is combined with magnetic dipoles to obtain a wideband element with a bandwidth from 180 MHz to 30 ...two array, and then the ... See full document
12
Archimedean spiral antenna on moveable ground plane for UWB applications
... Archimedean spiral antenna over a moveable conducting ground plane (GP) for UWB ...the antenna in terms of return loss, gain, axial ratio and radiation pattern are analyzed when the ... See full document
7
An Array of m -Shaped Vivaldi Antennas for UWB Applications
... M-shaped UWB Vivaldi array antenna is ...M-shaped UWB Vivaldi antenna is designed, and its properties of return loss, radiation pattern, VSWR, gain, ...An array of ... See full document
6
Pattern Synthesis for the Cylindrical Polarimetric Phased Array Radar (CPPAR)
... swarm optimization (PSO) is modified and applied to the CPPAR antenna to obtain the radiation pattern with the desired sidelobe levels ...swarm optimization simulates the behaviors of bird ... See full document
12
Efficient Antenna Energy Harvesting System Design Towards Autonomous RFIDS And Wireless Sensors
... The antenna design at this frequency band is important to work in for many ...patch antenna design at different frequency band between [9] and [10] is compare which is the operating frequency is at ...patch ... See full document
24
Compact UWB Slot Antenna with Dual Band Rejection by using H-Shape Notch
... compact UWB chip antenna using the coupling concept has been proposed for UWB ...proposed antenna has been ...quasi-isotropic pattern and gain were obtained over the UWB ... See full document
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