Open AccessDesigning matching waveform pair with sparse frequency and low autocorrelation sidelobes
Author(s) -
Chen Xiaoying,
Chen Baixiao,
Wu Chuanzhang
Publication year - 2021
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/ell2.12025
Subject(s) - autocorrelation , waveform , matching (statistics) , autocorrelation technique , computer science , algorithm , electronic engineering , mathematics , acoustics , physics , telecommunications , statistics , engineering , radar
Sparse frequency waveform is widely used to suppress the narrowband interferences. The performance that can be achieved with a single waveform is limited. The authors study the approach to design a pair of matching waveforms with low autocorrelation sidelobes and arbitrary frequency stopbands. Two algorithms based on the minimum mean square error (MMSE) between the actual waveform characteristics and the desired waveform characteristics are proposed to deal with this problem. The constrained optimization problem is solved by an alternating iteration method. Numerical experiments show that the proposed algorithms can provide better performance than the existing methods.