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Frequency Diverse Array Radar With Logarithmically Increasing Frequency Offset
IEEE Antennas and Wireless Propagation Letters, 2015In recent years, frequency diverse array (FDA) radar with uniform interelement frequency offset has been proposed and investigated. It has been shown that the beampattern of this form of radar is range-angle-dependent, and it exhibits maxima at multiple range values.
Waseem Khan, Ijaz Mansoor Qureshi
exaly +2 more sources
Frequency Diverse Array Radar With Time-Dependent Frequency Offset
IEEE Antennas and Wireless Propagation Letters, 2014In recent years, frequency diverse array radar with fixed frequency offset has been proposed and investigated. It has been shown that the beampattern of this category of radar is time-dependent as well as range-angle-dependent. In this letter, we have proposed time-dependent frequency offset to achieve a beampattern that is time-independent for a given
Waseem Khan, Ijaz Mansoor Qureshi
exaly +2 more sources
Optimal Carrier Frequency Design for Frequency Diverse Array Mimo Radar
ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023 In this work, we introduce a novel approach for designing the transmit frequency offset scheme based on Cramér-Rao lower bound (CRLB) minimization for a frequency diverse array multiple-input multiple-output (FDA-MIMO) radar.
Jie Cheng +3 more
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Lamb Wave Frequency Diverse Array
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2022The imaging method based on the conventional phased array (PA) can only realize angle focusing. To break through the above limitations, frequency diverse array (FDA) is first introduced from radar to Lamb wave, which opens up a possibility to realize angle-range focusing in damage localization. The energy pattern of FDA without considering the features
Yanfeng Lang +3 more
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Frequency Diverse Array Receiver Architectures [PDF]
, 2011 Typical radar systems are limited to energy distribution characteristics that are range independent. However, operators are generally interested in obtaining information at particular ranges and discarding elsewhere. It seems appropriate then to attempt to put energy solely at the range(s) of interest, thus minimizing exposure to clutter, jammers and ...
Jones, Aaron M.
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Manifold Sensitivity Analysis of Frequency Diverse Array
IEEE Signal Processing Letters, 2020Frequency diverse array (FDA) is an emerging array technique, its essential array characteristics and corresponding potential applications have not been well studied. As array manifold plays an essential role in various array applications, this letter presents an FDA manifold sensitivity framework to analyze the impact of element position uncertainties.
Tianxing Liao, Wen-Qin Wang, Bang Huang
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Frequency diverse array: Simulation and design
2009 IEEE Radar Conference, 2009In this paper, the radiation characteristics of frequency diversity array are concerned. With a set of CW signals of different frequencies transmitted simultaneously from the array, the transient field is examined by electromagnetic field simulation software.
null Jingjing Huang +3 more
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Frequency Diverse Array Radars
2006 IEEE Conference on Radar, 2006This paper presents a generalized structure for a frequency diverse array radar. In its simplest form, the frequency diverse array applies a linear phase progression across the aperture. This linear phase progression induces an electronic beam scan, as in a conventional phased array.
P. Antonik +3 more
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Realistic Performance Analysis of Frequency-Diverse Arrays Radiation
2023 IEEE 13th International Conference on RFID Technology and Applications (RFID-TA), 2023In this work a realistic analysis of the radiation pattern of frequency-diverse arrays is carried out through the introduction of the path loss affecting the field propagation. An essential comparison with the ideal FDA performance is proposed under two scenarios: a basic one with isotropic radiators and absence of coupling between the elements, and a ...
Tiberi, Tommaso +3 more
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