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Creating a radar threat simulator and receiver calibrator with precise angle of arrival

Posted: 09 Aug 2011 ?? ?Print Version ?Bookmark and Share

Keywords:multiple-input devices? radar testing?

For many types of multiple-input devices, precise testing requires accurate control over the amplitude and phase of multiple stimulus signals applied to the inputs of the unit under test (UUT). Examples include phased-array radar systems and multiple-input/ multiple-output (MIMO) devices used in commercial communications and wireless networking. In these applications, precise control over amplitude and phase makes it possible to accurately simulate parameters such as the angles of arrival of incident signals.

This application brief focuses on a solution for radar testing and covers three key topics: the problem, the solution, and the associated results and benefits. The problem section covers the general and specific measurement challenges. The solution shown here is based on an actual system designed to test a four-port UUT. The results from this system provide significant benefits from technical and operational perspectives.

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