Airborne Radar Anti-Jamming Waveform Design Based on Deep Reinforcement Learning [PDF]
Sensors, 2022 Airborne radars are susceptible to a large number of clutter, noise and variable jamming signals in the real environment, especially when faced with active main lobe jamming, as the waveform shortcut technology in the traditional regime can no longer ...
Zexin Zheng, Wei Li, Kun Zou
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Target Tracking While Jamming by Airborne Radar for Low Probability of Detection [PDF]
Sensors, 2018 Although radiation power minimization is the most important method for an advanced stealth aircraft to achieve the low probability of detection (LPD) performance against the opposite passive detection system (PDS), it is not always effective when the ...
Fei Wang +3 more
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Joint Transmit Resources and Trajectory Planning for Target Tracking in Airborne Radar Networks
Leida xuebao, 2022 This paper investigates the joint optimization problem of transmit resources and trajectory planning for target tracking in airborne radar networks. First, the analytical expression for the Bayesian Cramér-Rao Lower Bound (BCRLB) with the variables of ...
Chenguang SHI +3 more
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High-Gain Miniaturized Ultrawideband Antipodal Vivaldi Antenna with Metamaterials [PDF]
MicromachinesA compact high-gain antipodal Vivaldi antenna with ultra-wideband (UWB) performance ranging from 1 GHz to 25 GHz is proposed and demonstrated. The antenna features two sets of tapered exponential slots along the flare edges to enhance low-frequency ...
Wentao Zhang +3 more
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Grounded L-Shaped Corner-Embraced Patch Array Polarization Conversion Metasurface Compatible with Multiband and Broadband Characteristics [PDF]
MicromachinesWe propose a linear polarization rotator metasurface composed of a grounded array of L-shaped corner-embraced patches. Both simulation and experimental results confirm that the metasurface achieves a polarization conversion ratio exceeding 90% across ...
Shi Kong +3 more
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Forked-Crossing Metasurface for Multi-Band Polarization Conversion with Distinct Bandwidths [PDF]
MicromachinesThis study presents a reflective and highly efficient multi-band metasurface polarization converter based on a forked-crossing patch array. Both simulation and experimental results reveal that such a metasurface achieves polarization conversion ratio ...
Pengpeng Zhang +3 more
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New applications of clutter simulation in airborne early warning radar [PDF]
Zhihui kongzhi yu fangzhen, 2023 The characteristics of airborne early warning radar and the difficulties of clutter suppression are introduced in this paper. The research process of clutter simulation is then reviewed. On the basis of the analysis of the clutter model of airborne early
ZHU Huan, ZHANG Liang, WU Tao
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Optimal Design of OFDM Radar Low Sidelobe Waveform Based on Genetic Algorithm [PDF]
Hangkong bingqi, 2021 Radar system environment is complex, and excessively high range sidelobes will cause weak targets to be lost and false targets. To solve this problem, a novel orthogonal frequency-division multiplexing(OFDM) radar low sidelobe waveform design method ...
Zhao Jinshan, Quan Yinghui, Liu Daijun, Zhang Rui, Xing Mengdao
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GYROCOPTER-BASED REMOTE SENSING PLATFORM [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 In this paper the development of a lightweight and highly modularized airborne sensor platform for remote sensing applications utilizing a gyrocopter as a carrier platform is described.
I. Weber +3 more
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Development Trend Analysis of Airborne Weather Radar
Hangkong gongcheng jinzhan, 2021 As an important means of atmospheric threat awareness, airborne weather radar plays an important role in aviation security. This paper analyzes the development process of airborne weather radar and products and technologies at home and abroad, looks ...
CHEN Juan, ZHOU Ye, GAO Xia, QIAN Jun
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