Design and implementation of wideband all digital array radar test-bed

This paper presents a test bed for a wideband alldigital array radar, which consists of 32 linear array apertures. The operating frequency band is 1-3GHz and the instantaneous bandwidth is 500MHz. High-speed direct RF digitization and powerful digital signal processors are utilized in the design of the system. The test bed has been implemented now with a 32-elements array antenna and 8 digital receiver channels. Some experiments have been conducted and the testing results are presented in this paper. The testing results confirm the feasibility of the test bed, and guide us to carry on the remaining work of the whole system designing.