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 determine height above ground and is therefore used to measure ground distance in avionics for flying objects. (more…)

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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 frequency range of…

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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 Far field of the radar antenna…

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Legal position for the use of radio altimeters

This only applies to Germany! On request from the Federal Network Agency, only approved devices may be installed on approved aircraft as radio altimeters in the frequency range normally assigned…

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