Side Lobe Level
Linear Antenna Array Synthesis using a Hybrid Method of Moments and Genetic Algorithm to Reduce the Side Lobe Level
... the side lobes affects much broadening in the half power beam width. Side lobe Level reduction technique was proposed for optimisation using only Genetic Algorithm in ...the side lodes ...
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Synthesis of a Linear Antenna Array for Maximum Side lobe Level Reduction
... first side lobe level which introduces Electromagnetic Interference (EMI) problems is lowered without disturbing the beam ...and side-lobe level with N=10, 16, 20 and ...
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Linear Array Geometry Synthesis Using Genetic Algorithm for Optimum Side Lobe Level and Null
... peak side lobe of the uniform array radiation ...in side lobe level with respect to main beam there by we have to control the side lobe level ...peak side ...
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A Fast Deterministic Algorithm for Side Lobe Level Reduction of Open Loop Coplanar Distributed Antenna Arrays in WSNs
... Abstract—Distributed beamforming (DBF) is an efficient technique for reliable communications in wireless sensor networks (WSNs). In DBF based networks, the randomly distributed nodes cooperate to form a randomly ...
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SYNTHESIS OF NON UNIFORM LINEAR ARRAYS USING DOLPH – CHEBYSHEV POLYNOMIAL BY REDUCING SIDE LOBE LEVEL BASED ON MODULATING PARAMETER ARRAY FACTOR
... the side-lobe levels (SLL) and the half-power beam width (HPBW) stimulate the question answered primarily by Dolph of obtaining the narrowest possible beam width for a given side-lobe ...
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High-Gain Low Side Lobe Level Fabry Perot Cavity Antenna with Feed Patch Array
... can be made conformal to a surface and do not require feed line network but suffer from low efficiency due to dielectric losses. A number of gain enhancement techniques based on Fabry Perot Cavity (FPC) are reported ...
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Side Lobe Level Reduction in Circular Antenna Array Using DE Algorithm
... In this paper, the differential evolution algorithm has been used for the reduction of side lobe level of a circular antenna array by varying the amplitude excitations. The results show that the ...
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Side Lobe Level Reduction of Any Type of Linear Equally Spaced Array Using the Method of Convolution
... arrays, side lobe levels (SLLs) are commonly ...first side lobe level which determines maximum SLL is the main source of electromagnetic interference (EMI), and hence, it should be ...
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT REDUCED IN SIDE LOBE LEVEL (SLL) USING GENETIC ALGORITHM OF SMART ANTENNA SYSTEM Harish Sukumar 1, Sanjeev Kumar2
... To evaluate the results of GA more objectively, at the same time, the pattern array antennas can be designed based on Chebyshev methods with the same conditions we have observed that From the classical array antennas ...
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Low Side Lobe Level Multilayer Antenna for Wireless Applications
... Abstract—A low cost and easy fabrication multilayer antenna for wireless applications was presented to cover the industrial, scientific, and medical ISM band of (5.725–5.875) GHz with a gain of 11.7 dB. The antenna was ...
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A Feeding Network with Chebyshev Distribution for Designing Low Side-lobe Level Antenna Arrays
... In this work, a feeding network with Chebyshev distribution (only one layer) for designing low SLL microstrip antenna arrays will be proposed. The step by step in design process will be presented. A Chebyshev feeding ...
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Proposing a new variable window for better side lobe reduction
... major lobe width 2π×0.0605 rad/sample whereas the major lobe width of proposed window is ...Peak side lobe level of Kaiser window is ...peak side lobe level ...and ...
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Performance Improvement in Amplitude Synthesis of Unequally Spaced Array Using Least Mean Square Method
... reduce side lobe level considerably in large circular ...sidelobe level (SLL) equal to or below a fixed level and the percentage ofthinning is always kept equal to or above a fixed ...
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Optimal Synthesis of Thinned Arrays Using Biogeography Based Optimization
... Haupt [1] used GA in process of thinning a linear array of 200 elements, and resulting sidelobe levels were lower than −18 dB in all cases shown. Weile and Michielssen have employed a Pareto Genetic Algorithm (PGA) for ...
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Synthesis of Thinned Array with Side Lobe Levels Reduction Using Improved Binary Invasive Weed Optimization
... This paper introduces the use of a improved binary invasive weed optimization algorithm for thinning periodic linear and planar array to obtain the lowest possible peak side lobe level. An adaptive ...
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Failure Correction of Linear Antenna Array by Changing Length and Spacing of Failed Elements
... low side lobe level with placement of deep nulls [19, 20] and to achieve low side lobe level under both no beam scanning and beam scanning conditions ...
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1. Sidelobe reduction using frequency modulated pulse compression techniques in radar
... peak side lobe level in the matched filter output which leads to target ...peak side lobe levels has been reduced by almost 2dB compared to the LFM without compromising the resolving ...
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Design of a Linear Array of Half Wave Parallel Dipoles Using Particle Swarm Optimization
... algorithm. The cost function should be designed so that it can lead the search. One way of achieving this is to avoid cost functions where many states return the same value. In antenna array problems there are many ...
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A 60 GHz End-Fire High-Gain Tapered Slot Antenna with Side-Lobe Suppression
... Abstract—A simple end-fire high-gain antenna with side-lobe level suppression is proposed for 60 GHz technology in this paper. The antenna has a tapered slot radiation patch which is obtained by ...
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Synthesis of Thinned Planar Concentric Circular Antenna Arrays --- a Differential Evolutionary Approach
... Thinning an array means turning off some elements in a uniformly spaced or periodic array to generate a pattern with low side lobe level. In our method, we kept the antennas positions fixed, and all ...
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