期刊
28TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO 2020)
卷 -, 期 -, 页码 1936-1940出版社
IEEE
关键词
Transmit waveform; receive filter; sidelobe levels; Dinkelbach algorithm; majorization minimization
类别
资金
- China Scholarship Council
- Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University
- Natural Science Foundation of China [61471295]
- Central University Funds [G2016KY0308, G2016KY0002, 17GH030144]
- Academy of Finland [299243, 319822]
- Academy of Finland (AKA) [319822, 319822] Funding Source: Academy of Finland (AKA)
The paper focuses on joint design of transmit waveform and mismatched filter to achieve low sidelobe level for improving the resolution of pulse compression. A new iterative algorithm is developed to solve the optimization problem, based on using Dinkelbach's scheme together with majorization minimization method. Numerical examples demonstrate the effectiveness of the proposed method in producing lower peak sidelobe level than existing counterparts.
The paper focuses on joint design of transmit waveform and mismatched filter to achieve low sidelobe level for improving the resolution of pulse compression (PC). An L-p-norm, p >= 1, of the power ratio of sidelobe to mainlobe levels is used in the corresponding PC optimization problem as a metric. The use of L-p-norm minimization contains as special cases the integrated sidelobe level and peak sidelobe level (PSL) minimization problems which corresponds to specific selections of different p values. The main contribution of this work is the development of a new iterative algorithm to solve the aforementioned optimization problem. It is based on using Dinkelbach's scheme together with majorization minimization method. The computational complexity of the proposed algorithm is also analyzed. Numerical examples demonstrate that waveforms and mismatched filters designed by using the proposed method produce lower PSL than the existing counterparts.
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