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Genetic algorithms in electromagnetics / / Randy L. Haupt, Douglas H. Werner
| Genetic algorithms in electromagnetics / / Randy L. Haupt, Douglas H. Werner |
| Autore | Haupt Randy L |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : IEEE Press : , c2007 |
| Descrizione fisica | 1 online resource (317 p.) |
| Disciplina |
537.015197
621.30285/631 621.30285631 |
| Altri autori (Persone) | WernerDouglas H. <1960-> |
| Soggetto topico |
Antenna arrays - Design
Electromagnetism - Mathematical models Genetic algorithms |
| ISBN |
0-470-65345-0
1-280-82671-1 9786610826711 0-470-10628-X 0-470-10627-1 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Preface. -- Acknowledgments. -- 1. Introduction to Optimization in Electromagnetics. -- 1.1 Optimizing a Function of One Variable. -- 1.1.1 Exhaustive Search. -- 1.1.2 Random Search. -- 1.1.3 Golden Search. -- 1.1.4 Newton's Method. -- 1.1.5 Quadratic Interpolation. -- 1.2 Optimizing a Function of Multiple Variables. -- 1.2.1 Random Search. -- 1.2.2 Line Search. -- 1.2.3 Nelder-Mead Downhill Simplex Algorithm. -- 1.3 Comparing Local Numerical Optimization Algorithms. -- 1.4 Simulated Annealing. -- 1.5 Genetic Algorithm. -- 2. Anatomy of a Genetic Algorithm. -- 2.1 Creating an Initial Population. -- 2.2 Evaluating Fitness. -- 2.3 Natural Selection. -- 2.4 Mate Selection. -- 2.4.1 Roulette Wheel Selection. -- 2.4.2 Tournament Selection. -- 2.5 Generating Offspring. -- 2.6 Mutation. -- 2.7 Terminating the Run. -- 3. Step-by-Step Examples. -- 3.1 Placing Nulls. -- 3.2 Thinned Arrays. -- 4. Optimizing Antenna Arrays. -- 4.1 Optimizing Array Amplitude Tapers. -- 4.2 Optimizing Array Phase Tapers. -- 4.2.1 Optimum Quantized Low-Sidelobe Phase Tapers. -- 4.2.2 Phase-Only Array Synthesis Using Adaptive GAs. -- 4.3 Optimizing Arrays with Complex Weighting. -- 4.3.1 Shaped-Beam Synthesis. -- 4.3.2 Creating a Plane Wave in the Near Field. -- 4.4 Optimizing Array Element Spacing. -- 4.4.1 Thinned Arrays. -- 4.4.2 Interleaved Thinned Linear Arrays. -- 4.4.3 Array Element Perturbation. -- 4.4.4 Aperiodic Fractile Arrays. -- 4.4.5 Fractal-Random and Polyfractal Arrays. -- 4.4.6 Aperiodic Refl ectarrays. -- 4.5 Optimizing Conformal Arrays. -- 4.6 Optimizing Reconfi gurable Apertures. -- 4.6.1 Planar Reconfi gurable Cylindrical Wire Antenna Design. -- 4.6.2 Planar Reconfi gurable Ribbon Antenna Design. -- 4.6.3 Design of Volumetric Reconfi gurable Antennas. -- 4.6.4 Simulation Results--Planar Reconfi gurable Cylindrical Wire Antenna. -- 4.6.5 Simulation Results--Volumetric Reconfi gurable Cylindrical Wire Antenna. -- 4.6.6 Simulation Results--Planar Reconfi gurable Ribbon Antenna. -- 5. Smart Antennas Using a GA.
5.1 Amplitude and Phase Adaptive Nulling. -- 5.2 Phase-Only Adaptive Nulling. -- 5.3 Adaptive Reflector. -- 5.4 Adaptive Crossed Dipoles. -- 6. Genetic Algorithm Optimization of Wire Antennas. -- 6.1 Introduction. -- 6.2 GA Design of Electrically Loaded Wire Antennas. -- 6.3 GA Design of Three-Dimensional Crooked-Wire Antennas. -- 6.4 GA Design of Planar Crooked-Wire and Meander-Line Antennas. -- 6.5 GA Design of Yagida Antennas. -- 7. Optimization of Aperture Antennas. -- 7.1 Refl ector Antennas. -- 7.2 Horn Antennas. -- 7.3 Microstrip Antennas. -- 8. Optimization of Scattering. -- 8.1 Scattering from an Array of Strips. -- 8.2 Scattering from Frequency-Selective Surfaces. -- 8.2.1 Optimization of FSS Filters. -- 8.2.2 Optimization of Reconfi gurable FSSs. -- 8.2.3 Optimization of EBGs. -- 8.3 Scattering from Absorbers. -- 8.3.1 Conical or Wedge Absorber Optimization. -- 8.3.2 Multilayer Dielectric Broadband Absorber Optimization. -- 8.3.3 Ultrathin Narrowband Absorber Optimization. -- 9. GA Extensions. -- 9.1 Selecting Population Size and Mutation Rate. -- 9.2 Particle Swarm Optimization (PSO). -- 9.3 Multiple-Objective Optimization. -- 9.3.1 Introduction. -- 9.3.2 Strength Pareto Evolutionary Algorithm Strength Value Calculation. -- 9.3.3 Strength Pareto Evolutionary Algorithm Pareto Set Clustering. -- 9.3.4 Strength Pareto Evolutionary Algorithm Implementation. -- 9.3.5 SPEA-Optimized Planar Arrays. -- 9.3.6 SPEA-Optimized Planar Polyfractal Arrays. -- Appendix: MATLAB Code. -- Bibliography. -- Index. |
| Record Nr. | UNINA-9910143557503321 |
Haupt Randy L
|
||
| Hoboken, New Jersey : , : IEEE Press : , c2007 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Genetic algorithms in electromagnetics / / Randy L. Haupt, Douglas H. Werner
| Genetic algorithms in electromagnetics / / Randy L. Haupt, Douglas H. Werner |
| Autore | Haupt Randy L |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : IEEE Press : , c2007 |
| Descrizione fisica | 1 online resource (317 p.) |
| Disciplina |
537.015197
621.30285/631 621.30285631 |
| Altri autori (Persone) | WernerDouglas H. <1960-> |
| Soggetto topico |
Antenna arrays - Design
Electromagnetism - Mathematical models Genetic algorithms |
| ISBN |
0-470-65345-0
1-280-82671-1 9786610826711 0-470-10628-X 0-470-10627-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Preface. -- Acknowledgments. -- 1. Introduction to Optimization in Electromagnetics. -- 1.1 Optimizing a Function of One Variable. -- 1.1.1 Exhaustive Search. -- 1.1.2 Random Search. -- 1.1.3 Golden Search. -- 1.1.4 Newton's Method. -- 1.1.5 Quadratic Interpolation. -- 1.2 Optimizing a Function of Multiple Variables. -- 1.2.1 Random Search. -- 1.2.2 Line Search. -- 1.2.3 Nelder-Mead Downhill Simplex Algorithm. -- 1.3 Comparing Local Numerical Optimization Algorithms. -- 1.4 Simulated Annealing. -- 1.5 Genetic Algorithm. -- 2. Anatomy of a Genetic Algorithm. -- 2.1 Creating an Initial Population. -- 2.2 Evaluating Fitness. -- 2.3 Natural Selection. -- 2.4 Mate Selection. -- 2.4.1 Roulette Wheel Selection. -- 2.4.2 Tournament Selection. -- 2.5 Generating Offspring. -- 2.6 Mutation. -- 2.7 Terminating the Run. -- 3. Step-by-Step Examples. -- 3.1 Placing Nulls. -- 3.2 Thinned Arrays. -- 4. Optimizing Antenna Arrays. -- 4.1 Optimizing Array Amplitude Tapers. -- 4.2 Optimizing Array Phase Tapers. -- 4.2.1 Optimum Quantized Low-Sidelobe Phase Tapers. -- 4.2.2 Phase-Only Array Synthesis Using Adaptive GAs. -- 4.3 Optimizing Arrays with Complex Weighting. -- 4.3.1 Shaped-Beam Synthesis. -- 4.3.2 Creating a Plane Wave in the Near Field. -- 4.4 Optimizing Array Element Spacing. -- 4.4.1 Thinned Arrays. -- 4.4.2 Interleaved Thinned Linear Arrays. -- 4.4.3 Array Element Perturbation. -- 4.4.4 Aperiodic Fractile Arrays. -- 4.4.5 Fractal-Random and Polyfractal Arrays. -- 4.4.6 Aperiodic Refl ectarrays. -- 4.5 Optimizing Conformal Arrays. -- 4.6 Optimizing Reconfi gurable Apertures. -- 4.6.1 Planar Reconfi gurable Cylindrical Wire Antenna Design. -- 4.6.2 Planar Reconfi gurable Ribbon Antenna Design. -- 4.6.3 Design of Volumetric Reconfi gurable Antennas. -- 4.6.4 Simulation Results--Planar Reconfi gurable Cylindrical Wire Antenna. -- 4.6.5 Simulation Results--Volumetric Reconfi gurable Cylindrical Wire Antenna. -- 4.6.6 Simulation Results--Planar Reconfi gurable Ribbon Antenna. -- 5. Smart Antennas Using a GA.
5.1 Amplitude and Phase Adaptive Nulling. -- 5.2 Phase-Only Adaptive Nulling. -- 5.3 Adaptive Reflector. -- 5.4 Adaptive Crossed Dipoles. -- 6. Genetic Algorithm Optimization of Wire Antennas. -- 6.1 Introduction. -- 6.2 GA Design of Electrically Loaded Wire Antennas. -- 6.3 GA Design of Three-Dimensional Crooked-Wire Antennas. -- 6.4 GA Design of Planar Crooked-Wire and Meander-Line Antennas. -- 6.5 GA Design of Yagida Antennas. -- 7. Optimization of Aperture Antennas. -- 7.1 Refl ector Antennas. -- 7.2 Horn Antennas. -- 7.3 Microstrip Antennas. -- 8. Optimization of Scattering. -- 8.1 Scattering from an Array of Strips. -- 8.2 Scattering from Frequency-Selective Surfaces. -- 8.2.1 Optimization of FSS Filters. -- 8.2.2 Optimization of Reconfi gurable FSSs. -- 8.2.3 Optimization of EBGs. -- 8.3 Scattering from Absorbers. -- 8.3.1 Conical or Wedge Absorber Optimization. -- 8.3.2 Multilayer Dielectric Broadband Absorber Optimization. -- 8.3.3 Ultrathin Narrowband Absorber Optimization. -- 9. GA Extensions. -- 9.1 Selecting Population Size and Mutation Rate. -- 9.2 Particle Swarm Optimization (PSO). -- 9.3 Multiple-Objective Optimization. -- 9.3.1 Introduction. -- 9.3.2 Strength Pareto Evolutionary Algorithm Strength Value Calculation. -- 9.3.3 Strength Pareto Evolutionary Algorithm Pareto Set Clustering. -- 9.3.4 Strength Pareto Evolutionary Algorithm Implementation. -- 9.3.5 SPEA-Optimized Planar Arrays. -- 9.3.6 SPEA-Optimized Planar Polyfractal Arrays. -- Appendix: MATLAB Code. -- Bibliography. -- Index. |
| Record Nr. | UNINA-9910831035903321 |
|
Haupt Randy L
|
||
| Hoboken, New Jersey : , : IEEE Press : , c2007 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||