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Un sistema de acción correctiva y preventiva (CAPA) es la herramienta más poderosa que puede mejorar un sistema de gestión de la calidad. Ambos elementos son componentes críticos de un sistema de calidad efectivo y deben estar íntimamente relaci
Autor:
Peter Benchley
Golden Globe-díj - A legjobb forgatókönyv BAFTA-díj A Long Island-i nyaralóhely partjainál emberevő cápa tűnik fel. Tart a szezon, az első halálesetet még valahogy sikerül eltussolni, de amint szaporodnak a támadások, nyilvánvalóvá
A continuous-aperture array (CAPA)-based secure transmission framework is proposed to enhance physical layer security. Continuous current distributions, or beamformers, are designed to maximize the secrecy transmission rate under a power constraint a
Externí odkaz:
http://arxiv.org/abs/2412.13748
In this paper, a novel continuous-aperture array (CAPA)-based wireless communication architecture is proposed, which relies on an electrically large aperture with a continuous current distribution. First, an existing prototype of CAPA is reviewed, fo
Externí odkaz:
http://arxiv.org/abs/2412.00894
The optimal beamforming design for multi-user continuous aperture array (CAPA) systems is proposed. In contrast to conventional spatially discrete array (SPDA), the beamformer for CAPA is a continuous function rather than a discrete vector or matrix,
Externí odkaz:
http://arxiv.org/abs/2411.14919
A DeepCAPA (Deep Learning for Continuous Aperture Array (CAPA)) framework is proposed to learn beamforming in CAPA systems. The beamforming optimization problem is firstly formulated, and it is mathematically proved that the optimal beamforming lies
Externí odkaz:
http://arxiv.org/abs/2411.09104
The beamforming optimization in continuous aperture array (CAPA)-based multi-user communications is studied. In contrast to conventional spatially discrete antenna arrays, CAPAs can exploit the full spatial degrees of freedom (DoFs) by emitting infor
Externí odkaz:
http://arxiv.org/abs/2410.13677
Medical image segmentation is crucial for diagnosis and treatment planning. Traditional CNN-based models, like U-Net, have shown promising results but struggle to capture long-range dependencies and global context. To address these limitations, we pr
Externí odkaz:
http://arxiv.org/abs/2411.16568
The performance of multiplexing and diversity achieved by continuous aperture arrays (CAPAs) over fading channels is analyzed. Angular-domain fading models are derived for CAPA-based multiple-input single-output (MISO), single-input multiple-output (
Externí odkaz:
http://arxiv.org/abs/2408.13948
The capacity limits of continuous-aperture array (CAPA)-based wireless communications are characterized. To this end, an analytically tractable transmission framework is established for both uplink and downlink CAPA systems. Based on this framework,
Externí odkaz:
http://arxiv.org/abs/2406.15056