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Efficient Beampattern Synthesis for Sparse Frequency Diverse Array via Matrix Pencil Method [PDF]
Sensors, 2022 Due to the introduction of frequency offsets, the pattern synthesis problem of sparse Frequency diverse array (FDA) becomes more complicated than that of the phased array. A typical way to solve this problem is to use a global optimization algorithm, but
Xiaolang Shao +5 more
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Time Frequency Direction Modulation Based on Nonlinear Frequency Diverse Array
IEEE Access, 2023 The conventional frequency diversity array (FDA) can generate arcsine form of continuous direction modulation (DM) waveforms which can automatically scan the entire space range.
Haihua Xie +4 more
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Unambiguous Forward-Looking SAR Imaging on HSV-R Using Frequency Diverse Array [PDF]
Sensors, 2020 It is a challenge to realize wide swath imaging due to the conflict between Doppler ambiguity and range ambiguity for hypersonic vehicle (HSV) radar. In addition, there are many conditions requiring the forward-looking imaging.
Mengdi Zhang +3 more
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Two-Dimensional Barrage Jamming against SAR Using a Frequency Diverse Array Jammer [PDF]
Sensors, 2023 Due to the modulation of tiny frequency offset on the array elements, a frequency diverse array (FDA) jammer can generate multiple range-dimension point false targets, and many deception jamming methods against SAR using an FDA jammer have been studied ...
Jingke Zhang +5 more
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Research on Piezoelectric Guided Wave Frequency Diverse Array-Based Damage Location Method for Thin-Walled Structures [PDF]
MicromachinesPhased array technology can be realized with directional control with fixed beam steering. However, its directionally dependent beam pattern limits the efficiency of suppressing undesirable distance interference.
Changlin Wang +2 more
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Numerical Model of a 28-GHz Frequency Diverse Array Antenna
Proceedings, 2020 In this work we make use of the frequency diverse array (FDA) concept, whose design is based upon a frequency increment across the antenna elements to generate a beam steering that is a function of angle, time and range.
Marc Bernice Angoue Avele +4 more
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IET Radar, Sonar & Navigation, 2022 Frequency diversity array (FDA) radar provides more degrees of freedom and can generate range‐angle‐time‐dependent beampattern. Furthermore, based on the receiver's multi‐input multi‐output (MIMO) scheme, the frequency diversity array‐multi‐input multi ...
Changlin Zhou +5 more
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Passive Localization Countermeasure Based on Frequency Diverse Array
Leida xuebao, 2021 Passive localization technology is an integral part of electronic warfare. However, most methods for countering passive localization systems, such as radio frequency stealth and electronic interference, have limitations. This paper proposes a new passive
Haoliang GUAN +2 more
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Recent Advances in Frequency Diverse Array Radar Techniques
Leida xuebao, 2022 Due to the range dependence and time-varying array factor of Frequency Diverse Array (FDA) radar, it can overcome the miss of range variable in traditional phased-array factor and gain loss of Multiple-Input Multiple-Output (MIMO) radar array.
Wenqin WANG, Shunsheng ZHANG
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Deceptive signal generating optimization based on frequency diverse array
IET Radar, Sonar & Navigation, 2022 The direction and position of the radar signals are essential information in the radar countermeasure, and with the development of the reconnaissance system, the radar is facing more severe threats.
Jiaang Ge, Junwei Xie, Chushu Chen
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