Design of Constant Modulus Discrete Phase Radar Waveforms Subject to Multi-Spectral Constraints

This paper deals with constant modulus waveform design in spectrally dense environments assuming a discrete phase code alphabet. The goal is to optimize the radar detection performance while rigorously controlling the injected interference energy within each shared band and enforcing a similarity co...

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Vydáno v:IEEE signal processing letters Ročník 27; s. 875 - 879
Hlavní autoři: Yang, Jing, Aubry, Augusto, De Maio, Antonio, Yu, Xianxiang, Cui, Guolong
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Bandwidth
Computational complexity
coordinate descent method
discrete phase code alphabet
Interference
Iterative methods
Mathematical analysis
Multiple spectral compatibility constraints
NP-hard optimization problems
Optimization
Polynomials
Radar detection
Signal to noise ratio
Spectra
Waveforms
ISSN:1070-9908, 1558-2361
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Shrnutí:This paper deals with constant modulus waveform design in spectrally dense environments assuming a discrete phase code alphabet. The goal is to optimize the radar detection performance while rigorously controlling the injected interference energy within each shared band and enforcing a similarity constraint to manage some relevant signal features. To tackle the resulting NP-hard optimization problem, an iterative procedure characterized by a polynomial computational complexity, is introduced leveraging the coordinate descent method. Numerical results are provided to show the effectiveness of the technique in terms of detection performance, spectral shape and autocorrelation features.
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ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2020.2991357