Tag - dipole

The Inverted V antenna is a cornerstone of HF communication, providing a space efficient and single mast supported alternative to the horizontal dipole. This guide examines the critical influence of the antenna height above ground on its radiation pattern. Furthermore, we demonstrate how to use AN-SOF to accurately model the feedpoint at the antenna apex, enabling precise VSWR and gain predictions, an advantage often absent in traditional simulation tools.

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.

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.

Discover a practical first-order method for modeling microstrip antennas on ungrounded dielectric substrates with simplicity and ease.

Discover the vital role of historical theoretical results alongside advanced numerical calculations in accurately approximating current distribution on linear antennas.

This article validates AN-SOF’s results against the IEC FDIS 62232 standard by replicating an RBS panel antenna model with nine dipole radiators. The successful validation highlights AN-SOF’s ability to deliver highly accurate results, even with relatively simple models.

Discover the design and simulation of a multiband omnidirectional dipole antenna using AN-SOF. Operating at six key frequencies, this antenna combines closely spaced parallel dipoles into a single feed point. Explore how simulation reveals performance patterns and empowers your antenna experiments.

Discover the Dual Reflector Moxon Antenna at 145 MHz (2m band): Amplified Gain and Enhanced Performance for VHF Enthusiasts.

Verify the numerical precision of the AN-SOF engine through this detailed validation study of cylindrical dipoles. By testing the principle of energy conservation, comparing input resistance against far-field radiation resistance, we demonstrate a near-perfect correlation with errors below 0.035%. This article also explores gain convergence, establishing that 10 segments per wavelength are sufficient to achieve high-precision results for linear antenna modeling.

Examine the numerical stability of cylindrical dipole modeling through this rigorous convergence study. By analyzing input impedance as a function of discretization density and length-to-radius ratios, this article demonstrates how AN-SOF overcomes the traditional divergence issues found in many MoM codes, such as NEC-2. While older engines often fail to provide convergent reactance values when using a delta-gap source with fine segments, AN-SOF's exact kernel ensures monotonic stability. Validation against the classical 73.1 + j 42.5 Ohm half-wave dipole thin-wire limit and convergence analysis confirm the engine's precision for both resonant and anti-resonant linear antennas.

This article presents a comprehensive comparison between AN-SOF's dipole antenna simulations and the renowned King-Middleton second-order solution. Through rigorous analysis and numerical experiments, we validate the accuracy and reliability of AN-SOF in predicting dipole antenna input impedance.

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.

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.

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.

Experience versatile communication with this 5-in-1 J-Pole Antenna – your go-to solution for multiband excellence.