Developing a reliable ADAS (Advanced Driver Assistance System) is a key element in the design of autonomous vehicles. The system must be able to navigate the vehicle in the presence of objects large and small, far away and close by, taking into account factors such as road features, lighting conditions, and weather.
Previous laboratory attempts to accurately emulate radar situations are hampered by distance restrictions and limits on the number of objects that can be detected. Thinking out of the box, Keysight Technologies several months ago developed a radar scene emulator, called the RSE, with extremely high resolution. The system can operate at distances as close as 1.5 meters away and emulates up to 512 individual objects.
To achieve this, Keysight developed a proprietary miniature radar target simulator, each with its own antenna. The company integrated eight of these simulators onto one circuit board and arranged 64 of these boards in a semi-circular array. The result is 512 individually controllable, high-precision objects that form a virtual widescreen for rendering real-world driving scenes, all integrated into a benchtop anechoic chamber. The RSE can be paired with any third-party simulation software to render those 512 objects into complete scenes.
The system can recreate complex and corner scenes, environmental characteristics, distance, speed, interference effects, and other factors. Keysight believes the RSE will provide the needed margin of safety to pave the way for fully autonomous vehicles.
Spencer Chin is a Senior Editor for Design News covering the electronics beat. He has many years of experience covering developments in components, semiconductors, subsystems, power, and other facets of electronics from both a business/supply-chain and technology perspective. He can be reached at [email protected]