Results 21 to 30 of about 38,141 (258)
IET Radar, Sonar & Navigation, 2021 The beam steering of phased array (PA) radar is fixed in one direction for all the ranges, thus the resulting beampattern is angle‐dependent but range‐independent.
Zeeshan Ahmad, Zhiguo Shi, Chengwei Zhou
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Beampattern analysis of frequency diverse array radar: a review
EURASIP Journal on Wireless Communications and Networking, 2021 Electronic beam steering is an essential feature of state-of-the-art radar systems. Conventional phased array (PA) radars with fixed carrier frequencies are well-known for electronically steering their beam with high directivity.
Zeeshan Ahmad, Meng Chen, Shu-Di Bao
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Cognitive MIMO Frequency Diverse Array Radar with High LPI Performance
International Journal of Antennas and Propagation, 2016 Frequency diverse array (FDA) has its unique advantage in realizing low probability of intercept (LPI) technology for its dependent beam pattern. In this paper, we proposed a cognitive radar based on the frequency diverse array multiple-input multiple ...
Ling Huang +3 more
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Frequency Diverse Array Radar Cramér-Rao Lower Bounds for Estimating Direction, Range, and Velocity
International Journal of Antennas and Propagation, 2014 Different from phased-array radar, frequency diverse array (FDA) radar offers range-dependent beampattern and thus provides new application potentials. But there is a fundamental question: what estimation performance can achieve for an FDA radar? In this
Yongbing Wang +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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On RF localisation deception capability of FDA signal under interferometry reconnaissance
The Journal of Engineering, 2019 Phased-array antennas are known for their capability to electronically steer a beam with high effectiveness, but beam steering is fixed in an angle for all range cells.
Xihui Zhang +3 more
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Genome dynamics of the human embryonic kidney 293 lineage in response to cell biology manipulations [PDF]
, 2014 The HEK293 human cell lineage is widely used in cell biology and biotechnology. Here we use whole-genome resequencing of six 293 cell lines to study the dynamics of this aneuploid genome in response to the manipulations used to generate common 293 cell ...
Boone, Morgane +15 more
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Research on beam control of density taper array sin-FDA based on subarray structure [PDF]
Zhihui kongzhi yu fangzhenFrequency Diverse Array (FDA) is a brand-new electronically scanned radar system. The time-range-angle three-dimensional correlation characteristics of its beampattern have broad application prospects in the fields of electronic countermeasures and ...
ZHANG Jing, CHEN Chushu, WANG Bo
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Analysis of beampattern dwell time for planar frequency diverse array
IET Signal Processing, 2021 Frequency diverse array (FDA) has received much attention due to its both range–angle‐dependent beampattern. However, most of the existing works focus on the linear FDA, and time‐varying characteristics of its beampattern only give a rough qualitative ...
Hui Chen, Zi‐Hao Li, Wen‐Qin Wang
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Prospects of FMCW-based frequency diverse array radar
The Journal of Engineering, 2019 The linear frequency modulated (LFM) frequency modulated continuous wave (FMCW)-based frequency diverse array (FDA) radar concept is investigated in detail. The radar operates as a linear pulsed FMCW/FDA in the transmission (TX) mode while it operates as
Ramazan Çetiner +3 more
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