Industry White Paper

Analyzing Automotive Radar Signals with an Oscilloscope

May 27, 2020 by Rohde & Schwarz

Whitepaper Overview 

It’s no secret that highly advanced automated cars are becoming increasingly prevalent in today’s world. With new advancements in technology, the ability to create driverless cars capable of completing tasks that would normally only be possible through human interaction is no longer an impossibility. Not only do automated cars offer convenience to the user, but they are increasing road safety worldwide. 

This evolution of cars is made possible only with the use of automotive radar systems, combined with sensors such as lidar, cameras, and ultrasound. All of these things play a key role in current and future advanced driver assistance systems (ADAS). Because highly automated driving places high demands on technology, including the crucial need for accuracy, every radar component and its integration into the vehicle must be carefully tested to ensure reliability.

Due to the high frequencies, sophisticated equipment is needed to analyze sensors, which can be done with the R&S®FSW85 spectrum analyzer. However, this has only one input channel and is unable to measure the phase differences of multiple signals — this is where oscilloscopes come into play. The four-channel R&S®RTP, for example, can act as a phase-coherent receiver and simultaneously analyze and compare up to four signals. 

Rohde & Schwarz is a technology and market leader in shaping the future of radar sensor technology. With the rapid evolution of autonomous driving, Rohde and Schwarz aims to not only provide test equipment before mass deployment of new technology, but also provide knowledge and training to handle the increasing technical challenges of emerging autonomous driving systems.

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