Unmanned Systems Technology 022 | XOcean XO-450 l Radar systems l Space vehicles insight l Small Robot l BMPower FCPS l Prismatic HALE UAV l InterDrone 2018 show report l UpVision l Navigation systems

42 Focus | Radar systems measurements at altitudes from 5 to 100 m, where the readings from atmospheric altimeters can vary widely. This is particularly important for delivery UAVs that will be operating close to the ground. It can also be factored into digital mapping to avoid collisions with known structures such as power lines. This has been particularly interesting for safety-critical applications that need lightweight redundant altitude sensors. For example, a single-channel sensor can cost less than $100, and in volume production could go as low as $10 for an automotive design, says its manufacturer. In conclusion, which radar topology will become dominant is not necessarily governed by the weight, size and power, but by the requirements of an application. Once these have been determined – by the regulators for small UAVs close to the ground, and by the car makers and Tier One suppliers for Levels 3, 4 and 5 driverless cars – then the technologies will be optimised for those requirements. Today’s components are being designed with that very much in mind. Acknowledgements The author would like to thank Tom Driscoll of Echodyne, Noam Arkind of Arbe Robotics, Tim Bean of Fortem Technology, Zongbo Wang of Ainstein/Aerotenna and Lei Shi of UAV Radars for their help with researching this article. October/November 2018 | Unmanned Systems Technology CANADA Seamatica Aerospace +1 709 753 9224 www.seamatica.ca CROATIA Geolux Radars - www.geolux-radars.com FINLAND Navielektro +358 2 243 7711 www.navielektro.fi GERMANY Bosch Mobility Solutions +49 711 400 40990 www.bosch-mobility-solutions.com Infineon Technologies +49 89 234 65555 www.infineon.com INDIA Steradian Semiconductor +91 80 4951 6736 www.steradiansemi.com ISRAEL Arbe Robotics - www.arberobotics.com THE NETHERLANDS NXP Semiconductors +31 40 272 9999 www.nxp.com Radarxense +31 30 307 44 22 www.radarxense.com SWITZERLAND STMIcroelectronics +41 22 929 29 29 www.st.com USA Ainstein +1 785 727 9650 www.ainstein.ai Analog Devices +1 781 329 4700 www.analog.com Echodyne +1 425 454 3246 www.echodyne.com Fortem Technologies +1 385 375 3233 www.fortemtech.com Ghostwave +1 614 668 8333 www.ghostwaveinc.com IMSAR +1 801 798 8440 www.imsar.com Lunewave - www.lunewave.com Metawave - www.metawave.co Qualcomm +1 858 587 1121 www.qualcomm.com RDRTec +1 214 353 8755 www.rdrtec.com Texas Instruments +1 972 995 2011 www.ti.com UAVradars +1 316 461 1181 www.uavradars.com Uhnder +1 512 722 6353 www.uhnder.com Zendar - www.zendar.io Some examples of sense-and-avoid radar system suppliers