# Category: Electromagnetic

## Shielding Effectiveness of a Finite Conductivity Metallic Sphere

### Fiona Richardson

#### Latest posts by Fiona Richardson (see all)

An example of how FEKO may be used to compute EMC shielding factors. Problem Description EMC engineers often design a shielding environment for circuitry or people and have to estimate the shielding effectiveness of the structure before producing a prototype.  …

## The Effect of Carbon Fibre Body Panels on Aircraft RCS

### Fiona Richardson

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A simple case study at 50MHz to demonstrate the effect on aircraft RCS of using carbon fibre body panels, rather than metallic body panels. Problem Specification: Compute the monostatic RCS of an F5 fighter aircraft. Demonstrate the differences in RCS …

## Naval Radar Analysis with UTD

### Fiona Richardson

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Read about how the UTD is used to analyse radar antenna placement on a frigate. Overview Problem setup: Consider a frigate of length 120 m An antenna (e.g. for radar purposes) is located in front of the forward mast, to …

## Rectangular Patch Antenna Residing in a Cavity

### Fiona Richardson

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A description of how infinite plane Green’s functions and the MoM Surface Equivalence Principle (SEP) may be used to simulate a rectangular patch antenna residing in a cavity. This example considers a rectangular patch antenna residing in a cavity. The …

## Two-Port Probe-Fed Circular Antenna

### Fiona Richardson

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A two-port probe-fed circular microstrip antenna is simulated as an example. This example presents the computation of the S-parameters for a two-port probe-fed circular microstrip antenna. The antenna was orginally analysed in [1], allowing simple validation of the FEKO results. …

## Microstrip Filter Optimisation Using Masks

### Fiona Richardson

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This page describes the optimisation of a microstrip line filter with the use of masks. Specified filter characteristics are realised. Introduction In this article, the FEKO optimisation mask feature will be used to optimise the response of a microstrip filter. …

## Mutual Impedance Between Elements in Dipole Array

### Fiona Richardson

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The input impedance of dipole elements in a uniform and fractal array is investigated using FEKO. One of the main advantages of array antennas is its beam-forming capabilities and one of the difficulties in designing an array is the feeding …