Synthesis of Time-Modulated Frequency Diverse Arrays for Short-Range Multi-Focusing

The synthesis of frequency diverse arrays (FDAs) able to achieve time-invariant spatial focusing performance in the short-range is addressed. Two time-modulated optimized frequency offset schemes are presented that allow focusing the energy at a single target location and multiple target locations,...

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Bibliographic Details
Published inIEEE journal of selected topics in signal processing Vol. 11; no. 2; pp. 282 - 294
Main Authors A-Min Yao, Rocca, Paolo, Wen Wu, Massa, Andrea, Da-Gang Fang
Format Journal Article
LanguageEnglish
Published New York IEEE 01.03.2017
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
SeriesIEEE Journal of Selected Topics in Signal Processing
Subjects
4-D beampattern synthesis
Electromagnetism
Engineering Sciences
Field programmable gate arrays
Focusing
Frequency diverse array
Frequency diversity
Frequency modulation
Frequency synthesizers
Indexes
optimization
short- range spatial focusing
Signal and Image processing
Synthesis
Time-frequency analysis
time-invariant spatial focusing
time-modulated arrays
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Summary:The synthesis of frequency diverse arrays (FDAs) able to achieve time-invariant spatial focusing performance in the short-range is addressed. Two time-modulated optimized frequency offset schemes are presented that allow focusing the energy at a single target location and multiple target locations, respectively. A set of numerical examples is reported and discussed to validate the effectiveness of the proposed solutions also in comparison with the already proposed FDA design approaches.
ISSN:1932-4553
1941-0484
DOI:10.1109/JSTSP.2016.2615267