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Agilent radar measurements

Posted: 24 Nov 2009     Print Version  Bookmark and Share

Keywords:radar measurements  radar basics  Agilent measurements 

Today, radar systems are common and have a variety of uses including scientific, avionic, automotive and military. Even police officers are equipped with radar systems to catch us if we violate the speed limit.

Given the broad range of applications, a variety of radar technologies have emerged to meet unique needs in performance, cost, size and capability. For example, many police radars use continuous-wave (CW) radar to assess Doppler shifts from moving cars, but range information is unnecessary. Hence, advanced capabilities and features take a backseat to low cost and small size. At the other extreme, sophisticated phased-array radars may have thousands of transmit/receive (T/R) modules operating in tandem and may use a variety of sophisticated techniques to improve performance: side-lobe nulling, staggered pulse repetition interval, frequency agility, real-time waveform optimisation, wideband chirps and target-recognition capability.

After presenting a brief review of radar basics, this application note focuses on the fundamentals of measuring basic pulsed radars, which is the basis for most radar systems. Where appropriate, this application note discusses adaptations of certain measurements for more complex or modulated pulsed radar systems.

View the PDF document for more information.

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