一种快速重频参差信号分选方法.pdfVIP

Oct S HIPBOA RD ELECT RONIC COU N T ERM EASU RE Vol No T OA PRI T OA T N A CN DOI cnki cdzdk j j Sorting Method of A Fast PRF Staggered Signal LIU Zhengcheng QI Yongmei Y A O Zhiun j T he Institute of CSIC Yangzhou China Abstract T his paper propo ses a f ast sig nal sorting method f or the sorting of pulse reqetition inter val PRF staggered signal firstly uses the proposed method to calculate the first order diff erential values of the time of arrival T OA f or staggered sig nal pulse sequence then ex tract s all PRI val ues to meet the conditions obtains the phase cycle f rame period and the number of stagger PRIs of the staggered sig nal finally makes one or more high order diff erential operations on the T OA of staggered pulse signal sequence and solves the order relationship of all phase cycles by using the obtained phase cycles and the number of stagger PRIs T he simulation result s show that the pro posed method still correctly sort the staggered signal sequence w hen the pulse lo ss rate reaches and the computing speed is f ast Key words radar sig nal sorting ulse repetition interval stagger signal diff erence histog ram p PRI ESM ELIN T