Results 21 to 30 of about 2,447,908 (196)

Neural Network Component of Modern Information System on Mobile Platforms: LPI Cognitive Radar System

open access: yesКібернетика та комп'ютерні технології, 2023
The problem of building modern systems for collecting, processing and presenting information for moving platforms, characterized by the presence of a neural network with deep learning, sensors with preprocessing, systems processing and presenting ...
Mykola Kosovets, Lilia Tovstenko
doaj   +1 more source

Cognitive passive radar system: software defined radio and deep learning approach

open access: yesThe Journal of Engineering, 2019
Cognitive passive radar (CPR) system is amenable to electromagnetic environment cooperating and optimal strategy making tasks on account of illumination source availability and waveform evaluation. In fact, intelligence will provide performance gain from
Qing Wang   +4 more
doaj   +1 more source

Cognitive radar management

open access: yes, 2022
S.157-194Cognitive radar is a radar system that acquires knowledge and understanding of its operating environment through online estimation, reasoning and learning or from databases comprising context information.
Charlish, Alexander, Hoffmann, Folker
core   +1 more source

Radar spectrum opportunities for cognitive communications transmission [PDF]

open access: yes, 2008
In relation to opportunistic access to radar spectrum, the impact of the radar on a communication system is investigated in this paper. This paper illustrates that by exploring the spatial and temporal opportunities in the radar spectrum and therefore ...
Williams, C   +7 more
core   +1 more source

Cognitive node selection and assignment algorithms for weighted cooperative sensing in radar systems [PDF]

open access: yes, 2009
For the radar spectrum to be shared efficiently a good sensing capability within a secondary cognitive communication system is required. In this paper, the swept radar's rotation mechanism is explored to improve the sensing performance.
Williams, C   +7 more
core   +1 more source

Cognitive HF radar

open access: yesThe Journal of Engineering, 2019
Radars operating in the high-frequency (HF) band can exploit propagation modes other than line-of-sight and are hence widely employed to provide over-the-horizon surveillance and remote sensing.
Stuart Anderson
doaj   +1 more source

Waveform Selection Method of Cognitive Radar Target Tracking Based on Reinforcement Learning

open access: yesLeida xuebao, 2023
Based on the obtained knowledge through ceaseless interaction with the environment and learning from the experience, cognitive radar continuously adjusts its waveform, parameters, and illumination strategies to achieve robust target tracking in complex ...
Peikun ZHU   +3 more
doaj   +1 more source

Radar Phase-Coded Waveform Design with Local Low Range Sidelobes Based on Particle Swarm-Assisted Projection Optimization

open access: yesRemote Sensing, 2022
In modern electronic warfare, cognitive radar with knowledge-aided waveforms would show significant flexibility in anti-interference. In this paper, a novel method, named particle swarm-assisted projection optimization (PSAP), is introduced to design ...
Xiang Feng   +4 more
doaj   +1 more source

Measurements and analysis of multistatic and multimodal micro-Doppler signatures for automatic target classification [PDF]

open access: yes, 2014
The purpose of this paper is to present an experimental trial carried out at the Defence Academy of the United Kingdom to measure simultaneous multistatic and multimodal micro-Doppler signatures of various targets, including humans and flying UAVs ...
Marcio Perassoli   +5 more
core   +1 more source

Transmit Energy Efficiency of Two Cognitive Radar Platforms for Target Identification

open access: yesAerospace, 2015
Cognitive radar (CRr) is a recent radar paradigm that can potentially help drive aerospace innovation forward. Two specific platforms of cognitive radar used for target identification are discussed.
Ric Romero, Emmanouil Mourtzakis
doaj   +1 more source

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