Investigation of the characteristics of programmed devices of pulsed-signal search

Digital search devices, employed in pulse radar or radio navigation systems, consist of a binary quantizer converting an analog signal into digital form and a digital circuit providing for data storage and comparison with the threshold. Minimum search time is achieved by a parallel method where all the points of the a priori interval are analyzed simultaneously. This paper compares three methods for the organization of signal search in terms of speed, operational-memory costs, and number of calculations in the computer: the histogram method, the merged-files method, and the bubble method.