2011 Sixth International Symposium on Parallel Computing in Electrical Engineering (2011)
Luton, United Kingdom
Apr. 3, 2011 to Apr. 7, 2011
The problem of estimating pulse repetition interval (PRI) of an interleaved pulse train which consist of several independent radar signals, is the main issue of signal processing in electronic support systems. PRI Transform algorithm is one of the well known and effective methods of PRI detection which is capable of detecting several close jittered signals and surpassing subharmonics, but have some drawbacks especially because of small PRI dynamic range and heavy computations. In this paper a modified PRI transform is introduced which manage wide range of PRIs simultaneously, and speed up the algorithm by significantly reducing the computations. Moreover an efficient threshold is set for increasing detection rate. Simulation results proves that the modified algorithm shows much better performance in case of wide range PRI detection and processing speed while retaining the advantages the original algorithm.
Pulse Repetition Interval, PRI Transform, processing speed
A. Mahdavi and A. M. Pezeshk, "A Fast Enhanced Algorithm of PRI Transform," 2011 Sixth International Symposium on Parallel Computing in Electrical Engineering(PARELEC), Luton, United Kingdom, 2011, pp. 179-184.