Results 1 to 10 of about 12,713 (241)

Airborne Radar Anti-Jamming Waveform Design Based on Deep Reinforcement Learning [PDF]

open access: yesSensors, 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
doaj   +2 more sources

Target Tracking While Jamming by Airborne Radar for Low Probability of Detection [PDF]

open access: yesSensors, 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
doaj   +2 more sources

Airborne Radar Staggered PRF Coherent Processing Method for Down-Looking Target Detection

open access: yesRemote Sensing, 2023
Airborne radar plays a crucial role in detecting aerial targets, but its detection capability can be significantly affected by strong ground clutter when operating in down-looking mode.
Xiping Sun   +4 more
doaj   +3 more sources

High-Gain Miniaturized Ultrawideband Antipodal Vivaldi Antenna with Metamaterials [PDF]

open access: yesMicromachines
A 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
doaj   +2 more sources

New applications of clutter simulation in airborne early warning radar [PDF]

open access: yesZhihui 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
doaj   +1 more source

Optimal Design of OFDM Radar Low Sidelobe Waveform Based on Genetic Algorithm [PDF]

open access: yesHangkong 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
doaj   +1 more source

GYROCOPTER-BASED REMOTE SENSING PLATFORM [PDF]

open access: yesThe 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
doaj   +1 more source

Development Trend Analysis of Airborne Weather Radar

open access: yesHangkong 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
doaj   +1 more source

The next generation airborne polarimetric Doppler weather radar [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2014
Results from airborne field deployments emphasized the need to obtain concurrently high temporal and spatial resolution measurements of 3-D winds and microphysics.
J. Vivekanandan   +6 more
doaj   +1 more source

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