Mostrando 381 - 400 Resultados de 448 Para Buscar '"fractales"', tiempo de consulta: 0.09s Limitar resultados
  1. 381
    por Lim, Eng Hock, 1974-
    Publicado 2012
    Tabla de Contenidos: “…-- Preface ix -- 1 Compact Multifunctional Antennas in Microwave Wireless Systems 1 -- 1.1 Introduction 1 -- 1.2 Microwave Components in Wireless Systems 6 -- 1.3 Planar and Nonplanar Antennas in Compact Wireless Systems 7 -- 1.3.1 Performance Parameters 8 -- 1.3.2 Planar Antennas 14 -- 1.3.3 Nonplanar Antennas 16 -- 1.4 Multifunctional Antennas and Microwave Circuits 17 -- 1.4.1 Active Antennas 18 -- 1.4.2 Passive Antennas 19 -- 1.5 Miniaturization Techniques for Multifunctional Antennas 19 -- 1.6 Design Processes and Considerations 20 -- 1.7 Design Tools and Software 22 -- 1.8 Overview of the Book 24 -- 2 Multifunctional Passive Integrated Antennas and Components 29 -- 2.1 Development of Passive Integrated Antennas and Components 29 -- 2.2 Antenna Filters 30 -- 2.2.1 Dielectric Resonator Antenna Filter 31 -- 2.2.2 Other DRAFs 46 -- 2.2.3 Microstrip-Based Antenna Filters 50 -- 2.3 Balun Filters 60 -- 2.3.1 Ring Balun Filter 60 -- 2.3.2 Magnetic-Coupled Balun Filter 64 -- 2.3.3 Rectangular Patch Balun Filter 65 -- 2.4 Antenna Package 67 -- 2.4.1 DRA Packaging Cover 70 -- 2.4.2 Other Antenna Packages 78 -- 2.5 Conclusions 80 -- 3 Reconfigurable Antennas 85 -- 3.1 Introduction 85 -- 3.2 Design Considerations and Recent Developments 86 -- 3.3 Frequency-Reconfigurable Antennas 88 -- 3.3.1 Frequency-Reconfigurable Slot-Loaded Microstrip Patch Antenna 91 -- 3.3.2 Frequency-Reconfigurable E-Shaped Patch Antenna 93 -- 3.4 Pattern-Reconfigurable Antennas 98 -- 3.4.1 Pattern-Reconfigurable Fractal Patch Antenna 103 -- 3.4.2 Pattern-Reconfigurable Leaky-Wave Antenna 105 -- 3.5 Multi-Reconfigurable Antennas 109 -- 3.6 Conclusions 112 -- 4 Receiving Amplifying Antennas 117 -- 4.1 Introduction 117 -- 4.2 Design Criteria and Considerations 118 -- 4.3 Wearable Low-Noise Amplifying Antenna 118 -- 4.4 Active Broadband Low-Noise Amplifying Antenna 128 -- 4.5 Conclusions 139 -- 5 Oscillating Antennas 145 -- 5.1 Introduction 145 -- 5.2 Design Methods for Microwave Oscillators 145 -- 5.2.1 Design Using S Parameters 146.…”
    Libro electrónico
  2. 382
    por Matthiopoulos, Jason
    Publicado 2011
    Tabla de Contenidos: “…Availability of coastal habitat -- Fractal dimension of the Koch curve -- Further reading -- References -- 3. …”
    Libro electrónico
  3. 383
    por Bolívar, July
    Publicado 2019
    Tabla de Contenidos: “…Conflicto armado colombiano: un abordaje coyuntural en los programas de comunicación social y periodismo de las universidades regionales del tolima -- Página legal -- Contenido -- Listado de figuras -- Listado de tablas -- Prólogo -- Introducción -- Diseño metodológico -- La voz de la(s) historia(s). apuntes para unacomprensión del conflicto armado colombiano -- 1.1. las "víctimas", como sujetos en clave de historia -- 1.1.1. las masacres como modalidad fractal -- 1.1.2. el potencial movilizador de los sobrevivientes -- 1.1.3. aniquilar la diferencia -- 1.2. las miradas desde la historiografía oficial -- 1.2.1. un relato lineal -- 1.3. el periodista en el conflicto: narrador y víctima -- 1.4. el horizonte incierto de la paz -- 1.4.1. el primer sueño de paz -- 1.4.2. un paso hacia el reconocimiento de la diferencia -- 1.4.3. buscando la paz en patria ajena -- 1.4.4. una época de derrotas militares -- 1.4.5. el caguán: una más de las frustraciones -- 1.4.6. el debilitamiento de las farc-ep -- 1.4.7. el histórico proceso en la habana -- La voz del saber educativo. del currículo y la formación universitaria -- 2.1. tendencias teóricas del currículo -- 2.1.1. currículo técnico -- 2.1.2. currículo práctico -- 2.1.3. currículo crítico -- 2.1.4. currículo emancipatorio -- 2.1.5. currículo posestructuralista -- 2.2. formas organizativas del currículo -- 2.2.1. sistema modular xochimilco -- 2.2.2. modelo por competencias -- 2.2.3. aprendizaje basado en problemas-abp -- 2.2.4. flexibilización curricular -- 2.3. formación en educación superior -- 2.3.1. la comunicación social y el periodismo como programasacadémicos en la educación superior -- 2.3.2. el debate alrededor de la denominación: comunicación social y periodismo -- 2.3.3. formar a comunicadores y periodistas en la educaciónsuperior: ¿un asunto pertinente?…”
    Libro electrónico
  4. 384
    Publicado 2023
    Tabla de Contenidos: “…Author thoughts The Golden Spiral beautifully generalizes Fibonacci numbers -- AI thoughts The fractal geometry of nature -- Puzzle 23 Matching the prime numbers -- Author thoughts Honor the fundamental theorem of arithmetic -- AI thoughts Sense and nonsense -- Puzzle 24 Matching relative prime numbers -- Author thoughts Nothing is either true or false but thinking makes it so -- AI thoughts Six impossible things before breakfast -- 6 Conclusions -- Appendix. …”
    Libro electrónico
  5. 385
    por Hansen, Robert C.
    Publicado 2011
    Tabla de Contenidos: “…PATHOLOGICAL ANTENNAS 147 -- 5.1 Crossed-Field Antenna / 147 -- 5.2 Infinite Efficiency Antenna / 149 -- 5.3 E-H Antenna / 150 -- 5.4 TE-TM Antenna / 150 -- 5.5 Crossed Dipoles / 151 -- 5.6 Snyder Dipole / 152 -- 5.7 Loop-Coupled Loop / 155 -- 5.8 Multiarm Dipole / 158 -- 5.9 Complementary Pair Antenna / 158 -- 5.10 Integrated Antenna / 159 -- 5.11 Q 1/4 0 Antenna / 160 -- 5.12 Antenna in a NIM Shell / 161 -- 5.13 Fractal Antennas / 162 -- 5.14 Antenna on a Chip / 170 -- 5.15 Random Segment Antennas / 171 -- 5.16 Multiple Multipoles / 171 -- 5.17 Switched Loop Antennas / 173 -- 5.18 Electrically Small Focal Spots / 174 -- 5.19 ESA Summary / 174 -- References / 175 -- 6. …”
    Libro electrónico
  6. 386
    Publicado 2022
    Tabla de Contenidos: “…Unconstrained Optimization -- [Advanced Section] Reducing a Constrained Problem to an Unconstrained Optimization Problem -- Absolute and Local Minima of a Function -- Optimization Algorithms -- Line Search and Trust Region -- Steepest Descent -- The Gradient Descent Algorithm -- Choosing the Right Learning Rate -- Variations of GD -- Mini-Batch GD -- Stochastic GD -- How to Choose the Right Mini-Batch Size -- [Advanced Section] SGD and Fractals -- Exercises -- Conclusion -- Chapter 2: Hands-on with a Single Neuron -- A Short Overview of a Neuron's Structure -- A Short Introduction to Matrix Notation -- An Overview of the Most Common Activation Functions -- Identity Function -- Sigmoid Function -- Tanh (Hyperbolic Tangent) Activation Function -- ReLU (Rectified Linear Unit) Activation Function -- Leaky ReLU -- The Swish Activation Function -- Other Activation Functions -- How to Implement a Neuron in Keras -- Python Implementation Tips: Loops and NumPy -- Linear Regression with a Single Neuron -- The Dataset for the Real-World Example -- Dataset Splitting -- Linear Regression Model -- Keras Implementation -- The Model's Learning Phase -- Model's Performance Evaluation on Unseen Data -- Logistic Regression with a Single Neuron -- The Dataset for the Classification Problem -- Dataset Splitting -- The Logistic Regression Model -- Keras Implementation -- The Model's Learning Phase -- The Model's Performance Evaluation…”
    Libro electrónico
  7. 387
    Publicado 2017
    Tabla de Contenidos: “…Phenomenological characteristics -- 6.3.2. Fractal dimension -- 6.3.3. Network robustness -- 6.4. …”
    Libro electrónico
  8. 388
    por Lewis, Ted G.
    Publicado 2023
    Tabla de Contenidos: “…9.2.9 Hacking the DNS -- 9.2.10 Hardware Flaws -- 9.2.11 Botnets -- 9.3 Cyber Risk Analysis -- 9.3.1 Kill Chain Approach -- 9.3.2 Machine-learning Approach -- 9.4 Analysis -- 9.5 Discussion -- References -- Chapter 10 Social Hacking -- 10.1 Web 2.0 and the Social Network -- 10.2 Social Networks Amplify Memes -- 10.3 Topology Matters -- 10.4 Computational Propaganda -- 10.5 Beware the Echo Chamber -- 10.6 Big Data Analytics -- 10.6.1 Algorithmic Bias -- 10.6.2 The Depths of Deep Learning -- 10.6.3 Data Brokers -- 10.7 GDPR -- 10.8 Social Network Resilience -- 10.9 The Sustainable Web -- 10.9.1 The Century of Regulation -- 10.9.2 The NetzDG -- 10.10 Discussion -- References -- Chapter 11 Banking and Finance -- CHAPTER MENU -- 11.1 The Financial System -- 11.1.1 Federal Reserve Versus US Treasury -- 11.1.2 Operating the System -- 11.1.3 Balancing the Balance Sheet -- 11.1.4 Paradox of Enrichment -- 11.2 Financial Networks -- 11.2.1 FedWire -- 11.2.2 TARGET -- 11.2.3 SWIFT -- 11.2.4 Credit Card Networks -- 11.2.5 3-D Secure Payment -- 11.3 Virtual Currency -- 11.3.1 Intermediary PayPal -- 11.3.2 ApplePay -- 11.3.3 Cryptocurrency -- 11.3.3.1 Nakamoto's Revenge -- 11.3.3.2 Double Spend Problem -- 11.3.3.3 Crypto Challenges -- 11.4 Hacking a Financial Network -- 11.5 Hot Money -- 11.5.1 Liquidity Traps -- 11.5.2 The Dutch Disease -- 11.6 The End of Stimulus? -- 11.7 Fractal Markets -- 11.7.1 Efficient Market Hypothesis (EMH) -- 11.7.2 Fractal Market Hypothesis (FMH) -- 11.7.3 Predicting Collapse -- 11.8 The Threat is Existential -- 11.9 Discussion -- References -- Chapter 12 Banking and Finance: Strategies for a Changing World -- 12.1 Whole of Government -- 12.2 Risk and Resilience -- 12.3 Complex and Emergent CIKR -- 12.3.1 Communications and IT -- 12.3.2 Internet and Cybersecurity -- 12.4 Surveillance Capitalism -- 12.5 Industrial Control Systems…”
    Libro electrónico
  9. 389
    Publicado 2022
    Tabla de Contenidos: “…Cyclone eye detection -- 6.3.2. Dynamic fractal field eye tracking -- 6.4. Cyclone field intensity evolution prediction -- 6.5. …”
    Libro electrónico
  10. 390
    Publicado 2015
    Tabla de Contenidos: “…Detection of novelties through adaptive learning and fractal chaos approaches -- 11.9. Neuro computing: new opportunities provided by quantum physics -- 11.10. …”
    Libro electrónico
  11. 391
    Publicado 2021
    Tabla de Contenidos: “…Glad, Mad, Sad in Japan -- Fun/Done/Learn: An Alternative for Sprint Retrospective Events19 -- How Building a Strong Product Community Put Astah on the Map23 -- Agile Community Event and Meetup -- Chapter 9: The Philippines -- History -- Asia Pacific College: Bridging the Gap Between Academia and Industry Through Information Technology -- Insights -- Getting On and Around -- Agile Community Events and Meetups -- Chapter 10: Singapore -- History -- Insights -- Eight DON'Ts in Agile Transformation -- PALO IT - Valuing Creativity, Positivism, Team Spirit, and the Capacity to Deliver -- Agile and Consciousness in Organizations -- Midlife Crisis -- The Consciousness Lens -- Agile: The Magic Recipe -- The Role of Leaders -- Fractality and the Role of Leaders -- Beyond Agile: The Dawn of Conscious Leaders -- Goals for Sustainable Development -- The Triple Bottom Line -- Conscious Leadership -- Where to Start? …”
    Libro electrónico
  12. 392
    Publicado 2023
    Tabla de Contenidos: “…Focus, spectral density, fractals -- 3.3.3. Textures -- 3.4. Color -- 3.4.1. …”
    Libro electrónico
  13. 393
    Publicado 2017
    Tabla de Contenidos: “…The curse of dimensionality, the data science plague -- Optimizing KMeans -- Story mutation -- The Equilibrium state -- Tracking stories over time -- Building a streaming application -- Streaming KMeans -- Visualization -- Building story connections -- Summary -- Chapter 11: Anomaly Detection on Sentiment Analysis -- Following the US elections on Twitter -- Acquiring data in stream -- Acquiring data in batch -- The search API -- Rate limit -- Analysing sentiment -- Massaging Twitter data -- Using the Stanford NLP -- Building the Pipeline -- Using Timely as a time series database -- Storing data -- Using Grafana to visualize sentiment -- Number of processed tweets -- Give me my Twitter account back -- Identifying the swing states -- Twitter and the Godwin point -- Learning context -- Visualizing our model -- Word2Graph and Godwin point -- Building a Word2Graph -- Random walks -- A Small Step into sarcasm detection -- Building features -- #LoveTrumpsHates -- Scoring Emojis -- Training a KMeans model -- Detecting anomalies -- Summary -- Chapter 12: TrendCalculus -- Studying trends -- The TrendCalculus algorithm -- Trend windows -- Simple trend -- User Defined Aggregate Functions -- Simple trend calculation -- Reversal rule -- Introducing the FHLS bar structure -- Visualize the data -- FHLS with reversals -- Edge cases -- Zero values -- Completing the gaps -- Stackable processing -- Practical applications -- Algorithm characteristics -- Advantages -- Disadvantages -- Possible use cases -- [Chart annotation] -- Chart annotation -- Co-trending -- Data reduction -- Indexing -- Fractal dimension -- Streaming proxy for piecewise linear regression -- Summary -- Chapter 13: Secure Data -- Data security -- The problem -- The basics -- Authentication and authorization -- Access control lists (ACL) -- Role-based access control (RBAC) -- Access -- Encryption…”
    Libro electrónico
  14. 394
    por Iglesias Huelga, Luis Alfonso
    Publicado 2015
    Libro
  15. 395
    por Iglesias Huelga, Luis Alfonso
    Publicado 2015
    Libro
  16. 396
    Publicado 2021
    Tabla de Contenidos: “…Nuevos retos de la matemática actual -- La lógica borrosa -- Geometría fractal -- La teoría del caos -- Índice de materias -- Física y química -- Presentación -- Sumario de física y química -- Introducción -- Las fuerzas y sus efectos -- ¿Qué puede provocar una fuerza? …”
    Libro electrónico
  17. 397
    Publicado 2018
    Tabla de Contenidos: “…-- 17.2 INTERNAL RATE OF RETURN AS AN INVESTMENT CRITERION -- 17.3 THE LIMITS OF THE INTERNAL RATE OF RETURN -- 17.4 SOME MORE FINANCIAL MATHEMATICS: INTEREST RATE AND YIELD TO MATURITY -- Part Two The risk of securities and the required rate of return -- 18 RISK AND RETURN -- 18.1 SOURCES OF RISK -- 18.2 RISK AND FLUCTUATION IN THE VALUE OF A SECURITY -- 18.3 TOOLS FOR MEASURING RETURN AND RISK -- 18.4 MARKET AND SPECIFIC RISK -- 18.5 THE BETA COEFFICIENT -- 18.6 PORTFOLIO RISK -- 18.7 CHOOSING AMONG SEVERAL RISKY ASSETS AND THE EFFICIENT FRONTIER -- 18.8 CHOOSING BETWEEN SEVERAL RISKY ASSETS AND A RISK-FREE ASSET: THE CAPITAL MARKET LINE -- 18.9 How PORTFOLIO MANAGEMENT WORKS -- 19 THE REQUIRED RATE OF RETURN -- 19.1 RETURN REQUIRED BY INVESTORS: THE CAPM -- 19.2 PROPERTIES OF THE CAPM -- 19.3 LIMITS OF THE CAPM -- 19.4 MULTIFACTOR MODELS -- 19.5 FRACTALS AND OTHER LEADS -- 19.6 TERM STRUCTURE OF INTEREST RATES -- Part Three Financial securities -- 20 BONDS -- 20.1 BASIC CONCEPTS -- 20.2 THE YIELD TO MATURITY -- 20.3 FLOATING-RATE BONDS -- 20.4 SOCIALLY RESPONSIBLE BONDS -- 20.5 THE VOLATILITY OF DEBT SECURITIES -- 20.6 DEFAULT RISK AND THE ROLE OF RATING -- 20.6 DEFAULT RISK AND THE ROLE OF RATING -- 21 OTHER DEBT PRODUCTS…”
    Libro electrónico
  18. 398
    por Tschacher, Wolfgang
    Publicado 1996
    Libro
  19. 399
    Publicado 2017
    Tabla de Contenidos: “…6.2.2 Indirect particle heating receivers -- 6.2.2.1 Gravity-driven particle flow-through enclosures -- 6.2.2.2 Fluidized particle flow-through tubes -- 6.2.3 Summary of particle receiver technologies -- 6.3 Other high-performance receiver designs -- 6.3.1 Light-trapping receiver designs -- 6.3.1.1 Surface features -- 6.3.1.2 Spiky receiver -- 6.3.1.3 Bladed geometries -- 6.3.1.4 Fractal-like geometries -- 6.3.2 Air curtains -- 6.4 Summary and conclusions -- Acknowledgments -- References -- 7 - Next generation of liquid metal and other high-performance receiver designs for concentrating solar thermal (CST) central tower -- 7.1 Introduction -- 7.2 Thermophysical properties of liquid metals -- 7.3 Liquid metals in central receiver systems -- 7.3.1 Experience in central receiver systems -- 7.3.2 The CRS-SSPS project of the International Energy Agency -- 7.3.3 Other projects with liquid metals in solar receivers -- 7.4 Innovative power conversion cycles with liquid metals as heat transfer fluid -- 7.5 Conclusions and outlook -- References -- 4 - Advances in the power block and thermal storage systems -- 8 - Supercritical CO2 and other advanced power cycles for concentrating solar thermal (CST) systems -- 8.1 Introduction -- 8.2 Stand-alone cycles -- 8.2.1 Steam Rankine cycles -- 8.2.2 Gas Brayton cycles -- 8.2.2.1 Air Brayton cycle -- 8.2.2.2 Helium Brayton cycle -- 8.2.2.3 Supercritical carbon dioxide Brayton cycles -- Simple cycle -- Recompression cycle -- Partial cooling cycle -- 8.2.3 Comparison of the presented cycles -- 8.3 Combined cycles -- 8.3.1 Organic Rankine cycle -- 8.3.2 Supercritical organic Rankine cycle -- 8.3.3 Absorption power cycles -- 8.3.3.1 Kalina cycle -- 8.3.3.2 Goswami cycle -- 8.4 Summary and conclusions -- References -- 9 - Advances in dry cooling for concentrating solar thermal (CST) power plants -- 9.1 Introduction…”
    Libro electrónico
  20. 400
    Publicado 2016
    Tabla de Contenidos: “…12.4 Growing Multicellular Organisms -- 12.4.1 Resisting to Extern Aggressions -- 12.4.2 Resisting to Aggression and Starvation -- 12.5 Driving a Virtual Car -- 12.6 Regulating Behaviors -- 12.7 Conclusion -- References -- 13 Evolving H-GRNs for Morphogenetic Adaptive Pattern Formation of Swarm Robots -- 13.1 Introduction -- 13.2 Problem Statement -- 13.3 H-GRN Model with Region-Based Shape Control -- 13.3.1 Upper Layer: Region Generation -- 13.3.2 Lower Layer: Region-Based Shape Control -- 13.3.3 Implementation Issues -- 13.3.4 Numerical Simulations -- 13.4 Evolving H-GRN Using Network Motifs -- 13.4.1 Basic Network Motifs -- 13.4.2 Upper Layer of the EH-GRN -- 13.4.3 Lower Layer of the EH-GRN -- 13.4.4 Numerical Simulations -- 13.5 Conclusions and Future Work -- Acknowledgment -- Appendix -- A.13.1 Convergence Proof -- A.13.2 Position and Velocity Estimation -- References -- 14 Regulatory Representations in Architectural Design -- 14.1 Introduction -- 14.2 Background -- 14.3 The Need for Regulatory Representations -- 14.4 Developmental Mapping -- 14.4.1 Encoding -- 14.4.2 Representation -- 14.4.3 Experimental Results -- 14.5 Robustness and Evolutionary Adaptation in Biological Systems -- 14.5.1 Hypothesis -- 14.5.2 Experimental Results -- 14.5.3 Canalization of Gene Networks -- 14.5.4 Neutral Shaping of Canalized Gene Networks -- 14.5.5 Neutral Mutations Contribute to Evolutionary Innovations -- 14.6 Conclusions and Discussion -- Acknowledgments -- References -- 15 Computing with Artificial Gene Regulatory Networks -- 15.1 Introduction -- 15.2 Biological GRNs -- 15.3 Computational Models -- 15.4 Modeling Decisions -- 15.5 Computational Properties of AGRNs -- 15.6 AGRN Models and Applications -- 15.6.1 Boolean Networks -- 15.6.2 Artificial Genome Models -- 15.6.3 Artificial Development -- 15.6.4 Fractal Gene Regulatory Networks…”
    Libro electrónico