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The Antenna Lab | The Ham's Corner | Advanced RF Edge

Tag - antenna design

Articles covering various models and techniques for antenna design.

Articles

Rectangular Microstrip Patch Antennas: A Comparative Analysis of Transmission Line Theory and AN-SOF Numerical Results
This comprehensive study explores the design and electromagnetic behavior of the rectangular microstrip patch antenna, contrasting classical transmission line theory with AN-SOF numerical simulations. By evaluating resonance, input impedance, and the impact of finite vs. infinite substrates, the article details the specific areas where analytical formulas align with full-wave results and where complex phenomena like surface waves and mutual conductance necessitate advanced computational validation.
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.
Complete Workflow: Modeling, Feeding, and Tuning a 20m Band Dipole Antenna
Here is a comprehensive guide to modeling, feeding, and tuning half-wave dipoles, offering principles and techniques that can be applied to any antenna system.
Navigating the Numerical Landscape: Choosing the Right Antenna Simulation Method
In this article, we provide an overview of various numerical methods used in Computational Electromagnetics (CEM), with a special focus on antenna simulation methods such as FDTD, FEM, MoM, CMoM, FMM, MLFMM, FVTD, GO, GTD, UTD, PO, PTD, and DDM.
Design Guidelines for Skeleton Slot Antennas: A Simulation-Driven Approach
Dive into the intricacies of Skeleton Slot antennas. Explore optimal designs, balancing geometry parameters, and leveraging simulation tools. Ideal for both engineers and enthusiasts!
A Simple, Low-Cost Approach to Simulating Solid Wheel Antennas at 2.4 GHz
Explore a simple, low-cost method to simulate 2.4 GHz solid wheel antennas with reliable first-order accuracy and practical efficiency.
Simplified Modeling of Microstrip Antennas on Ungrounded Dielectric Substrates: A Practical First-Order Approach
Discover a practical first-order method for modeling microstrip antennas on ungrounded dielectric substrates with simplicity and ease.
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.
Wave Matching Coefficient: Defining the Practical Near-Far Field Boundary
Discover how the Wave Matching Coefficient (WMC) redefines near-far field boundaries. Using a 20 dB threshold, we uncover new distances for elementary antennas and a consistent method to define non-spherical boundaries for antennas of any size or complexity relative to the wavelength.
Advantages of AN-SOF for Simulating 433 MHz Spring Helical Antennas for ISM & LoRa Applications
Struggling with complex helical antenna designs for LoRa & ISM? AN-SOF overcomes limitations of traditional methods, enabling accurate simulations of 433 MHz spring helical antennas.
High-Performance Impedance Matching in Microstrip Antennas: The Role of Capacitive Feeding
Overcome probe inductance and simplify your antenna designs with capacitive feeding. This study demonstrates how to utilize proximity coupling to achieve a perfect 50-Ohm match and 10 dBi gain. Validated against classic experimental benchmarks, our simulation shows how internal reactance cancellation enables wideband performance in microstrip patches without external matching networks.
Automotive Antenna Placement: How Vehicle Geometry Reshapes FM Reception
Is your car antenna truly omnidirectional? Discover how vehicle geometry reshapes FM signals in this AN-SOF study of a 100 MHz monopole. We compare roof-mount and trunk-mount placements, revealing how induced surface currents and body diffraction create unexpected directional gain and reception bias.
Design and Simulation of a Compact Self-Resonant Pyramidal Horn Antenna for 2.4 GHz WiFi
Explore a compact, self-resonant pyramidal horn antenna designed for the 2.4 GHz WiFi band. This study challenges traditional aperture theory by demonstrating how an electrically small horn, with an axial length of just half a wavelength, can achieve a high gain of 13 dBi. Through AN-SOF wire-grid simulation, we detail the waveguide feed optimization and flare-angle geometry required to bridge the gap between idealized textbook formulas and practical, high-performance DIY antenna construction.