Unmanned Systems Technology 028 | ecoSUB Robotics AUVs I ECUs focus I Space vehicles insight I AMZ Driverless gotthard I InterDrone 2019 report I ATI WAM 167-BB I Video systems focus I Aerdron HL4 Herculift

90 Focus | Video systems embedded in the amplifiers on the low- power input and high-power output stages. That bolsters the amplifiers’ resistance to RF interference, and gives a highly accurate RF power output, reducing or eliminating the EMI caused by other onboard systems, which also reduces the bandwidth available for video. The filters also address any interference between radio channels and EMI from the power supply wires. These filters and the embedded processing can often be done without increasing the size or weight of the integrated encoder or radio subsystem, providing a highly stable output with a reliable bandwidth for the video as well as lower power consumption. Future system design The move to ML has implications for the system architectures. More complex multi-processor systems with arrays of graphics processing units can be used for the ML, but can also handle the video encoding. That can avoid the need for a separate hardware encoder board, saving power and weight, but in addition it means having to send the raw video over a longer distance to a central processing unit. That is driving the need for even faster connections, provided by fibre optics or even twisted copper pairs running at up to 10 Gbit/s. Software compression also consumes more power than the hardware version, but it is more flexible. If the video being transmitted to the ground station is dramatically smaller as a result of the ML pre-processing, that lower power efficiency still results in a lower overall power consumption. Acknowledgements The author would like to thank Aliaksei Stratsilatau at UAVOS, Patrick Sherlock at Triad RF, Mark Zanmiller at Sightline, Mike Southworth at Curtiss-Wright, George Nelson at Delta Digital Video, Bob Buxton at Versalogic, Raanan Shelach at Controp, Nicolas Pons at Vitec and Yasuhiro Takada at Thine for their help with researching this article. October/November 2019 | Unmanned Systems Technology CHINA Amimon +86 1760 250 9305 www.amimon.com FRANCE Vitec +33 1 46 73 06 06 www.vitec.com HOLLAND NXP +31 40 27 29 999 www.nxp.com ISRAEL Commtact +972 89 43 36 02 www.commtact.co.il Controp +972 97 44 06 61 www.controp.com GetSat +972 76 53 00 70 www.getsat.com JAPAN Thine Electronics +81 3 52176661 www.thine.co.jp LATVIA UAV Factory +371 25 37 81 22 www.uavfactory.com USA Ascent Vision +1 406 388 2092 www.ascentvision.com Curtiss-Wright Defense Solutions +1 661 257 4430 www.curtisswrightds.com Delta Digital Video +1 215 657 5270 www.deltadigitalvideo.com Intel +1 408 765 8080 www.intel.com Nvidia +1 408 486 2000 www.nvidia.com OmniVision Technologies +1 408 567 3000 www.ovt.com Qualcomm Technologies +1 858 587 1121 www.qualcomm.com Sagetech +1 509 493 1364 www.sagetech.com Sightline Applications +1 541 716 5137 www.sightlineapplications.com Socionext +1 408 550 6861 www.socionext.com Triad RF +1 855 558 1001 www.triadrf.com UAVOS +1 650 584 3176 www.uavos.com Versalogic +1 503 747 2261 www.versalogic.com Examples of video system manufacturers and suppliers