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This paper describes a system which permits a substantial reduction in the amount of equipment required for the detection of narrow-band radar returns which may fall into any part of a wide, noisy Doppler band. The system utilizes a two-step process; the first providing a coarse, high false-alarm indication of range and Doppler, and the second providing high-quality detection and parameter estimation. The basic principles are discussed, followed by a description of an experimental prototype system. Experimental results are presented.