Thinned array
A chaotic quantum bee colony optimization for thinned array
... new thinned array method based on CQBCO can search the global optimal ...for thinned array are provided to show that the proposed thinned array method is superior to the ...
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Synthesis of Thinned Array with Side Lobe Levels Reduction Using Improved Binary Invasive Weed Optimization
... In 2006, a derivative-free, metaheuristic algorithm proposed by Mehrbian and Lucas in [12], known as the Invasive Weed Optimization, mimicking the ecological behavior of colonizing weeds. Since its inception, IWO has ...
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SLL attenuation based thinned antenna design for next generation communications
... antenna array [20] has been ...robustness. Thinned array design based on multi-objective cross entropy algorithm is also implemented to reduce the SLL ...antenna array elements are much more ...
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Combination of Inverse Fast Fourier Transform and Modified Particle Swarm Optimization for Synthesis of Thinned Mutually Coupled Linear Array of Parallel Half-Wave Length Dipole Antennas
... a thinned mutually coupled linear array of parallel half-wave length dipole antennas with specified maximum return ...the thinned array is also calculated and compared with a fully populated ...
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A Two-Step Method for the Low-Sidelobe Synthesis of Uniform Amplitude Planar Sparse Arrays
... Suppose that 39 elements need to be filled in a PSA with the aperture size of 3.5λ × 3.5λ, thus the aperture can be divided into 8 × 8 rectangular lattices according to Equation (2). After 50 trials of the IFT-DE, the ...
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Comparative Performance of Gravitational Search Algorithm and Modified Particle Swarm Optimization Algorithm for Synthesis of Thinned Scanned Concentric Ring Array Antenna
... an array means turning off some of the elements from a uniformly spaced or periodic array to generate a pattern with low sidelobe ...for thinned array include satellite- receiving antennas ...
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Optimal Synthesis of Thinned Arrays Utilizing Fast Fourier Transform Technique
... of array thinning is by using FFT technique ...synthesized thinned array distribution in general will not fit the PSL requirements ...for thinned array ...new thinned array ...
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Optimization of Radiation Patterns From Isotropic and Dipole Thinned Arrays
... A thinned array is represented by a string of binary ...element array may be represented by 10110101,where the elements 2,5,7 are turned off and the elements 1,3,4,6,8 are turned ...an array ...
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Synthesis of Thinned Planar Circular Array Antennas Using Modified Particle Swarm Optimization
... populated array are shown in Table ...of thinned array using modified PSO with fixed and optimum inter-element arc spacing is better than a fully populated array in terms of side lobe level ...
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Synthesis of Thinned Planar Concentric Circular Antenna Arrays --- a Differential Evolutionary Approach
... antenna array design is one of the most important electromagnetic optimization problems of current ...planar thinned circular ring arrays of uniformly excited isotropic antennas is considered in this ...
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Improved vertex chain code based mapping algorithm for curve length estimation
... Pre-processing: This algorithm takes thinned binary image as input. Binary images have only two possible intensity values pixels and are normally displayed as black and white. Numerically, the two values are ...
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Document Image Analysis - Free Computer, Programming, Mathematics, Technical Books, Lecture Notes and Tutorials
... A general sequence of fingerprint processing for matching is the following. First the gray-scale fingerprint image undergoes pixel-level processing to reduce noise, enhance the ridges, and bina- rize [O’Gorman 1989]. Upon ...
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TRENDS
... surance and against the AMA have been thinned, but the administration’s health program still has many supporters in the 82nd Congress. Conspicuous by their absence will be.. Representati[r] ...
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Development of the BigMIC image photon counting detector
... After a CCD is thinned, a siUcon oxide (Si02) film grows naturally (on the backside) due to contact with air. The dangling molecular bonds at the Si-SiOi interface, due to abrupt termination of the silicon crystal ...
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SLL Reduction of Spherical Array Using Thinning
... In spherical antenna array elements are symmetrically aligned. So the radiation pattern at any far field point over the space will view the analogous environment. Spherical antenna array can be viewed as ...
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Growth at the microscale: long term thinning effects on patterns and timing of intra-annual stem increment in radiata pine
... between thinned/unthinned plots, it was clear that thin- ning affected the timing of the cessation of growth in the major growing season: growth in trees in thinned plots ceased later in the season at both ...
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On the Impact of Mutual Coupling Effects on the Psl Performances of Ads Thinned Arrays
... Finally, the last experiments are devoted to analyze the impact of MC effects on ADS-based arrays and state-of-the-art thinning techniques. First, a comparison with stochastic techniques is dealt with. Towards this end, ...
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Elastic-plastic Cyclic FEA of Thinned Tight Radius Pipe Elbows
... Feeder pipes in CANDU nuclear reactors are classified as Nuclear Class 1 Piping. Linear elastic piping analyses of inlet and outlet feeders are performed according to the ASME Section III NB-3600 Code. During operation, ...
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Stimulation of Native Annual Clovers Through Application of Sulfur on California Foothill Range.
... Where the stand of native legumes on the Experimental Range had been thinned by cultivation in preparing a seedbed for introduced species, sulfur fertilization ha[r] ...
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Limb preservation with suprafascial and thin perforator flaps: salvaging osteomyelitis, Charcot collapse and critical limb ischemia
... Conclusion: Primarily thinned perforator flaps performed well in the setting of lower extremity limb salvage, critical limb ischemia, osteomyelitis, and the Charcot foot - expanding the[r] ...
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