Altimeter based on radar, inertial and atmospheric pressure systems for aerial, aerobatic and unmanned vehicles

摘要

Altimeter based on radar, inertial and atmospheric pressure systems for aerial, acrobatic and unmanned vehicles. # The object of the invention is to obtain a sensor capable of measuring the height with respect to the ground integrating radar, barometric and inertial technologies. # In this device a radio emission is generated that serves to measure the delay of the reflection received using digital filtering and processing procedures. # Simultaneously, readings of a barometric and inertial sensor are made that allow complementing and correcting errors inherent to the measurements of the radio signal. # The invention allows to obtain reliable measurements in any flight attitude using procedures based on: i) weighted fusion of the data received from the barometric sensor, IMU and radar; ii) subtraction of close and stable signal couplings; iii) the tracking (or tracking) of the height measurement obtained; iv) the use of a hemispheric or active passive radiation pattern directed towards the ground.