Research on the Altitude Measurement of UAV Targets Using a Frequency Scanned Radar

Zhai, He; Wang, Hao; Zhao, Feng; Yang, Yuqian; Xu, Dalong; Xu, Wei; Quan, Shuanglong

doi:10.1109/icmmt45702.2019.8992413

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2022

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“…On the other hand, due to the small RCS of the LSS target, the radar echo is weak. In addition, LSS targets fly at slow speeds, resulting in insignificant Doppler frequency [ 5 ]. Therefore, it is extremely difficult for the detection, localization, tracking, and classification of LSS targets.…”

Section: Introductionmentioning

confidence: 99%

Robust Transmit Beamforming Algorithm for Low-Altitude Slow-Speed Small Target Detection

Jin

Wang

et al. 2022

Computational Intelligence and Neuroscience

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Strong ground clutter echoes make it difficult to detect low-altitude slow-speed small (LSS) targets. To suppress ground clutter effectively in LSS target detection, a robust transmit beamforming algorithm has been proposed in this paper. Sidelobes in the ground side can be cut down, with the excess energy concentrated on the air side, which would be cleaner and simpler. The objective function is a second-order cone programming problem and can be solved by the convex optimization algorithm. With the consideration of taking full advantage of transmit power, the weight vector is further processed under the unimodular constraint. Numerical experiments are carried out to demonstrate the validity and superiority of the proposed method.

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Section: Introductionmentioning

confidence: 99%