Results 81 to 90 of about 630 (160)

The Battle for Medicare [PDF]

open access: yes, 2023
America is aging. From 2019 to 2060, the total population of Americans over sixty-five will grow from fifty-four million to ninety-five million. Of all Americans, sixteen percent were aged sixty-five and older in 2019; nearly twenty-two percent are ...
Buck, Isaac D.
core   +1 more source

Radar Emitter Classification based on Deep Ensemble [PDF]

open access: yes, 2023
Dissertation presented as the partial requirement for obtaining a Master's degree in Information Management, specialization in Knowledge Management and Business IntelligenceElectronic Support Measures (ESM) systems are designed to classify radar signals,
Martins, Tiago Pedro Giesta
core  

Noncontact Vital Signs Detection [PDF]

open access: yes, 2017
Human health condition can be accessed by measurement of vital signs, i.e., respiratory rate (RR), heart rate (HR), blood oxygen level, temperature and blood pressure.
Ren, Lingyun
core   +1 more source

Limited Sample Radar HRRP Recognition Using FWA-GAN

open access: yesRemote Sensing
In radar High-Resolution Range Profile (HRRP) target recognition, the targets of interest are always non-cooperative, posing a significant challenge in acquiring sufficient samples.
Yiheng Song, Liang Zhang, Yanhua Wang
doaj   +1 more source

An Interpretable Target-Aware Vision Transformer for Polarimetric HRRP Target Recognition with a Novel Attention Loss

open access: yesRemote Sensing
Polarimetric high-resolution range profile (HRRP), with its rich polarimetric and spatial information, has become increasingly important in radar automatic target recognition (RATR).
Fan Gao   +5 more
doaj   +1 more source

Biologically inspired processing of radar and sonar target echoes [PDF]

open access: yes, 2017
Modern radar and sonar systems rely on active sensing to accomplish a variety of tasks, including detection and classification of targets, accurate localization and tracking, autonomous navigation and collision avoidance.
Georgiev, Krasin
core  

Point-HRRP-Net: A Deep Fusion Framework via Bi-Directional Cross-Attention for Space Object Classification Using HRRP and Point Cloud

open access: yesRemote Sensing
High-Resolution Range Profile (HRRP)-based space object classification is severely limited by aspect sensitivity. Inspired by the intrinsic complementarity between HRRP and LiDAR point clouds, this work investigates the feasibility and effectiveness of ...
Zhenou Zhao   +4 more
doaj   +1 more source

Radar Target Recognition Based on Feature Pyramid Fusion Lightweight CNN

open access: yesIEEE Access, 2019
In order to improve the accuracy and robustness of radar target recognition under low SNR conditions, a novel radar high range resolution profile (HRRP) target recognition method based on feature pyramid fusion lightweight CNN is proposed in this paper ...
Chen Guo   +4 more
doaj   +1 more source

Statistical assessment on Non-cooperative Target Recognition using the Neyman-Pearson statistical test [PDF]

open access: yes, 2017
Electromagnetic simulations of a X-target were performed in order to obtain its Radar Cross Section (RCS) for several positions and frequencies. The software used is the CST MWS©.
Resende, David Meirelles Nunes
core  

Frequency Estimation Using Complex-Valued Shifted Window Transformer

open access: yes, 2023
Estimating closely spaced frequency components of a signal is a fundamental problem in statistical signal processing. In this letter, we introduce 1-D real-valued and complex-valued shifted window (Swin) transformers, referred to as SwinFreq and ...
Smith, Josiah W., Torlak, Murat
core  

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