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    Tag - antenna lab

    A blog section featuring articles designed for students and teachers to enhance their understanding of antenna simulation.

    Articles

    Can AI Design Antennas? Lessons from a 3-Iteration Yagi-Uda Experiment
    Can AI really design antennas? We put it to the test, transforming chatbot suggestions into a working 3-element Yagi-Uda. Discover how AI accelerates design, where it stumbles, and why your expertise still makes the difference.
    New Tools in AN-SOF: Selecting and Editing Wires in Bulk
    Discover the new wire selection and editing tools in AN-SOF! From bulk selection with the Selection Box to precise control via the Tabular Input window, these features streamline antenna modeling. Modify multiple wires effortlessly and enhance your workflow. Explore these powerful tools today!
    Modeling Common-Mode Currents in Coaxial Cables: A Hybrid Approach
    This article presents a hybrid modeling approach for coaxial transmission line antenna feeders, focusing on the impact of common-mode currents on the antenna radiation pattern. By explicitly modeling the outer shield of coaxial cables, we can accurately predict and mitigate RF interference, enhancing antenna system performance for RF engineers and enthusiasts.
    Beyond Analytical Formulas: Accurate Coil Inductance Calculation with AN-SOF
    Traditional coil inductance calculations often rely on simplified approximations. AN-SOF offers a more accurate approach by considering factors like non-uniform magnetic fields, conductor losses, and complex coil geometries. By using AN-SOF, you can obtain precise inductance values, visualize magnetic field and current distributions, to improve your coil designs.
    Linking Log-Periodic Antenna Elements Using Transmission Lines
    Dive into the world of advanced antenna design with our latest tutorial! Discover the art of connecting Log-Periodic Antenna Elements using Transmission Lines in the AN-SOF Antenna Simulator.
    Overcoming 7 Limitations in Antenna Design: Introducing AN-SOF's Conformal Method of Moments
    Introducing AN-SOF’s Conformal Method of Moments, an advanced approach to wire antenna design. By overcoming several limitations of traditional techniques, this method enables accurate modeling and analysis of antennas with complex geometries.
    Explore the Cutting-Edge World of AN-SOF Antenna Simulation Software!
    This quick overview document provides a concise introduction to the capabilities of AN-SOF, designed to revolutionize the way you approach antenna design.
    AN-SOF Mastery: Adding Elevated Radials Quickly
    Rev up your AN-SOF skills with this video tutorial featuring two fast methods for adding elevated radials.
    Front-to-Rear and Front-to-Back Ratios: Applying Key Antenna Directivity Metrics
    Understand the difference between Front-to-Rear (F/R) and Front-to-Back (F/B) ratios, key metrics for antenna directivity. Learn how to calculate and interpret these values using AN-SOF software. Improve your antenna designs with this essential knowledge.
    Validating V Antennas: Directivity Analysis with AN-SOF
    This article validates AN-SOF's results against established formulas for V antennas, highlighting its advanced modeling capabilities. We explore optimal angles, directivity enhancements, and precise calculations, making AN-SOF a powerful tool for RF engineers, ham radio enthusiasts, and antenna designers.
    Fractal vs. Arbitrary Geometry: Analyzing the VE9SRB "Random" Loop
    Is fractal geometry truly necessary for compact antenna performance? We analyze the VE9SRB 'Random' Loop an arbitrarily shaped antenna with the same wire length and aperture as an MI2 Fractal Loop. Using AN-SOF, we demonstrate that while random shapes can achieve comparable gain and impedance, the fractal geometry offers a critical advantage in usable bandwidth.
    The MI2 Fractal Loop: Achieving Resonant Efficiency in Compact Apertures
    Discover the power of space-filling curves through this analysis of the MI2 Fractal Loop antenna. Modeled in AN-SOF, this HF 'Snowflake Quad' achieves a resonant resistance and a 2 dBi gain. Learn how fractal iterations enable significant size reduction in HF antennas without the efficiency losses typical of standard small loops.
    AN-SOF in Action: Modeling and Understanding the Performance of Fractal Antennas
    Dive into the fascinating world of fractal antennas! This article explores their revolutionary design principles using AN-SOF simulation software. Discover how self-similar patterns unlock wider bandwidths, smaller sizes, and superior efficiency compared to traditional antennas.
    Design and Analysis of a Parabolic Cylinder Reflector with a Back-Firing Primary Radiator
    Explore the design of a self-resonant parabolic cylinder reflector antenna operating at 890-965 MHz. This study analyzes a back-firing dipole-reflector feed system modeled in AN-SOF, demonstrating how to achieve a stable 50-Ohm match and an asymmetric fan-beam pattern (55° Horizontal, 25° Vertical) without complex matching networks.
    Boosting Performance with Dual V Antennas: A Practical Design and Simulation
    Learn how stacking two V antennas can boost directivity. This article presents a practical Dual V Antenna design and explains how to scale it for any frequency. Includes simulation insights and a link to an online calculator.
    Introduction to Yagi-Uda Arrays: Analyzing a 5-Element Beam with a Folded Dipole Driver
    Learn the fundamentals of Yagi-Uda arrays with this introductory model. This simulation features a folded dipole driver with arced ends, illustrating how parasitic elements shape a highly directional 9.7 dBi beam and achieve a 15 dB Front-to-Back ratio. This baseline design provides the perfect foundation for mastering antenna feeding, tuning, and optimization using AN-SOF.
    Experimenting with Half-Wave Square Loops: Simulation and Practical Insights
    Explore the unique behavior of half-wave square loop antennas through AN-SOF simulations. Learn how conductor length affects current distribution and radiation patterns, with practical experiments to validate theory. Download our template to test configurations yourself!
    Radar Cross Section and Reception Characteristics of a Passive Loop Antenna: A Simulation Study
    This article analyzes radar cross section (RCS) and reception properties of a passive loop antenna via full-wave simulation. We demonstrate how loop resonance manifests in both RCS patterns and load voltage characteristics.
    Understanding the Folded Dipole: Structure, Impedance, and Simulation
    Explore the fundamentals of folded dipole antennas. Learn how accurate simulations using conformal modeling in AN-SOF reveal the true behavior of curved wire geometries and confirm the expected input impedance.
    Modeling a Circular Loop Antenna in AN-SOF: A Step-by-Step Guide
    This step-by-step guide empowers you to simulate circular loop antennas in AN-SOF. We'll configure the software, define loop geometry, and explore how its size relative to wavelength affects radiation patterns and input resistance. Gain valuable insights into this fundamental antenna type!
    Modeling Helix Antennas in Axial Radiation Mode Using AN-SOF
    Perfect for Beginners: Quick Guide to Helix Antenna Simulation. Master axial-mode helix design in AN-SOF with this easy step-by-step tutorial. Learn ground plane setup, helix creation, and radiation pattern analysis. Start modeling professional antennas today!
    Monopole Antennas Over Imperfect Ground: Modeling and Analysis with AN-SOF
    Explore the design and simulation of monopole antennas over imperfect ground using AN-SOF. Learn how ground conditions impact performance and optimize efficiency for LF/MF broadcasting applications.
    Step-by-Step: Modeling Basic Yagi-Uda Arrays for Beginners
    Master Yagi-Uda simulation in AN-SOF! This quick guide walks you through modeling a 3-element array (reflector, driven element, director). Analyze radiation patterns with professional results.
    Modeling a Center-Fed Cylindrical Antenna with AN-SOF
    Learn how to simulate a center-fed cylindrical antenna using AN-SOF software. This step-by-step guide covers setup, geometry creation, simulation, and result analysis. Understand dipole characteristics through practical examples.
    AN-SOF Data Export: A Guide to Streamlining Your Workflow
    Unleash the power of your AN-SOF simulations! This article explores the software's data export features, enabling you to seamlessly transfer results to spreadsheets for further analysis, report generation, and clear communication of your antenna design findings.
    Enhancing Antenna Design Flexibility: Project Merging in AN-SOF
    Discover how AN-SOF’s project merging feature enhances antenna design flexibility by seamlessly integrating supporting structures, enabling performance comparisons with and without a support.
    How to Adjust the Radiation Pattern Reference Point for Better Visualization
    Improve the clarity of your simulation results by learning how to adjust the radiation pattern origin (or phase center) in AN-SOF. This simple adjustment allows for better visual alignment of the pattern with the actual antenna structure, offering a more intuitive spatial interpretation of the radiation. Importantly, this shift is purely cosmetic and does not affect the fundamental integrity of your simulation metrics, such as absolute gain, directivity, or field magnitude.
    H-Field Option in Preferences
    We see that most of the time we are interested in calculating only the E-field in antenna projects when we are talking about the near field. For this reason, we have added an option to enable or disable the automatic calculation of the H-Field.
    Quick Start Guide
    Master antenna simulation using AN-SOF software. Enhance your design process and gain insights into the first steps of modeling antennas with ease.
    Explore 5 Antenna Models with Less Than 50 Segments in AN-SOF Trial Version
    Discover 5 antenna models with less than 50 segments in AN-SOF Trial Version. These examples showcase the capabilities of our software for antenna modeling and design, allowing you to evaluate its features for your projects.
    AN-SOF Antenna Simulation Best Practices: Checking and Correcting Model Errors
    Refine AN-SOF antenna simulations. Identify and resolve errors with precision, ensuring model integrity.
    Adjusting the Color Bar in AN-3D Pattern
    It is important to have control over the scales of the graphs for a better presentation and interpretation of the results. We can adjust the maximum and minimum values of the color bar in AN-3D Pattern to obtain increments in multiples of 5 or the value we want.
    How to Speed Up Simulations in AN-SOF: Tips for Faster Results
    Learn how to optimize simulation speed in AN-SOF Antenna Software. Follow valuable tips for faster results by adjusting segments, resolution, and settings. Turbocharge your antenna simulations!
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