FMCW Radio Altimeter

A radio altimeter is an electronic device that uses radar technology, i.e. electromagnetic waves in the high-frequency range to measure a distance. It is primarily used to...

Radio Altimeter

FMCW Radar: Technical basics

For those interested, here is a technical overview of the structure and function of a radar altimeter. Frequency working range A radar altimeter operates in a high-frequency...
Radio Altimeter

Prototype development

Here I present some steps of my prototype. Filter after the digital-to-analog converter before modulation PCB Design 3D field distribution of the radar antenna
Radio Altimeter


As an example a PFD (Primary Flight Display) of an airliner is given, where the flight altitude above ground is displayed beneath about 2500 feet and at corresponding...