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๐Ÿ” spatial analysis ๐Ÿ“‚ Engineering
Showing 32423 results for "spatial analysis" in Engineering
Engineering Preprint PDF DOI

Generative Design for Direct-to-Chip Liquid Cooling for Data Centers

Zheng Liu ยท 2026

Rapid growth in artificial intelligence (AI) workloads is driving up data center power densities, increasing the need for advanced thermal management. Direct-to-chip liquid cooling can remove heat effโ€ฆ

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Engineering Preprint PDF DOI

Neural-Network Inversion for the Temporal CT Multi-Source Bundle Problem: Per-Bundle Statistical Limits and Near-Optimal Performance

Guy M. Besson ยท 2026

We study the nonlinear inverse problem arising in Temporal CT, a multi-source computed-tomography architecture in which NS = 3 simultaneously active X-ray sources produce M = 5 mixed Poisson intensityโ€ฆ

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Engineering Preprint PDF DOI

Bayesian Cram\'er-Rao Bound for Sensing Performance in Meta-Backscatter Systems

Mengyuan Cao, Xu Liu, Hongliang Zhang ยท 2026

Meta-backscatter system that utilizes meta-material sensors is a promising enabler for future environmental sensing, offering distinct advantages such as low cost, zero-power consumption, and robustneโ€ฆ

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Engineering Preprint PDF DOI

FAS-aided Robust Anti-Jamming Communications: Continuous and Discrete Positioning Designs

Yifan Guo, Junshan Luo, Shilian Wang, Zhenhai Xu ยท 2026

This paper investigates the joint optimization of beamforming and antenna positions in fluid antenna system (FAS)-aided anti-jamming communications. We consider a multi-user multiple-input multiple-ouโ€ฆ

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Engineering Preprint PDF DOI

BridgeSim: Unveiling the OL-CL Gap in End-to-End Autonomous Driving

Seth Z. Zhao, Luobin Wang, Hongwei Ruan, Yuxin Bao, Yilan Chen, Ziyang Leng, Abhijit Ravichandran, Honglin He, Zewei Zhou, Xu Han, Abhishek Peri, Zhiyu Huang, Pranav Desai, Henrik Christensen, Jiaqi Ma, Bolei Zhou ยท 2026

Open-loop (OL) to closed-loop (CL) gap (OL-CL gap) exists when OL-pretrained policies scoring high in OL evaluations fail to transfer effectively in closed-loop (CL) deployment. In this paper, we unveโ€ฆ

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Engineering Preprint PDF DOI

PFAgent: A Tractable and Self-Evolving Power-Flow Agent for Interactive Grid Analysis

Buxin She, Brian Chen, Luanzheng Guo, Fangxing Li ยท 2026

Power system simulation workflows remain expert-intensive. Engineers must translate study intents into code or API calls, execute analyses, and interpret outputs. To automate this workflow, this paperโ€ฆ

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Engineering Preprint PDF DOI

Rain Rate Estimation Bounds and Weather-Adaptive Pilot Allocation for LEO Satellite ISAC

Haofan Dong, Houtianfu Wang, Hanlin Cai, O. Tansel Baydas, Ozgur B. Akan ยท 2026

Rain attenuates Ku-band satellite signals by up to 20~dB, encoding precipitation information along the Earth-space slant path. This paper derives the Bayesian Cram\'{e}r-Rao bound (BCRB) for rain rateโ€ฆ

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Engineering Preprint PDF DOI

When Altruism Meets Autonomy: Managing Bottleneck Congestion with Strategic Autonomous Vehicles

Kexin Wang, Haohui He, Ruolin Li ยท 2026

Weaving ramps are critical bottlenecks in highway networks due to conflicting traffic flows and complex interactions among heterogeneous vehicle types. In mixed-autonomy settings, the presence of contโ€ฆ

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Engineering Preprint PDF DOI

Toward a Receiver-Induced Channel Shaping Paradigm: FRIS-Assisted Rydberg Atomic MIMO with Quadrature-Leakage-Aware Design

Hong-Bae Jeon, Kai-Kit Wong, Chan-Byoung Chae ยท 2026

This paper investigates a fluid reconfigurable intelligent surface (FRIS)-assisted Rydberg Atomic REceiver (RARE) architecture under magnitude-only heterodyne readout. We show that, unlike conventionaโ€ฆ

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Engineering Preprint PDF DOI

On the Optimization Landscape of Observer-based Dynamic Linear Quadratic Control

Jingliang Duan, Jie Li, Yinsong Ma, Liye Tang, Guofa Li, Liping Zhang, Shengbo Eben Li, Lin Zhao ยท 2026

Understanding the optimization landscape of linear quadratic regulation (LQR) problems is fundamental to the design of efficient reinforcement learning solutions. Recent work has made significant progโ€ฆ

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Engineering Preprint PDF DOI

Brain-Grasp: Graph-based Saliency Priors for Improved fMRI-based Visual Brain Decoding

Mohammad Moradi, Morteza Moradi, Marco Grassia, Giuseppe Mangioni ยท 2026

Recent progress in brain-guided image generation has improved the quality of fMRI-based reconstructions; however, fundamental challenges remain in preserving object-level structure and semantic fideliโ€ฆ

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Real-Time Coordinated Operation of Off-Grid Wind Powered Multi-Electrolyzer Systems Considering Thermal Dynamics and HTO Safety

Chang Su, Ming Li, Zhanglin Shangguan, Zhaojian Wang, Bo Yang ยท 2026

Coordinated operation of alkaline water electrolysis (AWE) systems with multiple electrolyzers under fluctuating renewable power input is challenging due to varying power availability and dynamic safeโ€ฆ

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AnySlot: Goal-Conditioned Vision-Language-Action Policies for Zero-Shot Slot-Level Placement

Zhaofeng Hu, Sifan Zhou, Qinbo Zhang, Rongtao Xu, Qi Su, Ci-Jyun Liang ยท 2026

Vision-Language-Action (VLA) policies have emerged as a versatile paradigm for generalist robotic manipulation. However, precise object placement under compositional language instructions remains a maโ€ฆ

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Engineering Preprint PDF DOI

LLM-enabled Antenna Partitioning and Beamforming Optimization for Segmented Pinching

Qian Gao, Ruikang Zhong, Hyundong Shin, Yuanwei Liu ยท 2026

Integrated sensing and communication (ISAC) requires spatial architectures that can flexibly balance data transmission and environment sensing. Segmented pinching antenna-assisted ISAC provides such fโ€ฆ

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Engineering Preprint PDF DOI

A Total Lagrangian Finite Element Framework for Multibody Dynamics: Part II -- GPU Implementation and Numerical Experiments

Zhenhao Zhou, Ruochun Zhang, Ganesh Arivoli, Dan Negrut ยท 2026

We present the numerical methods and GPU-accelerated implementation underlying a Total Lagrangian finite element framework for finite-deformation flexible multibody dynamics, introduced in the companiโ€ฆ

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Deep Learning-Based Physical Layer Authentication Using 5G NR Sounding Reference Signals: A Temporal Generalization Study on Real Testbed Data

Sachinkumar B. Mallikarjun, Marvin Reski, Andreas Weinand, Hans D. Schotten ยท 2026

Physical Layer Authentication (PLA) exploits the spatial uniqueness of wireless channel characteristics in order to authenticate devices without recourse to higher-layer cryptographic protocols, whichโ€ฆ

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Engineering Preprint PDF DOI

Automatic Modulation Classification via Green Machine Learning

Chee-An Yu, Young-Kai Chen, C.-C. Jay Kuo ยท 2026

In this work, we propose an interpretable, robust, and lightweight machine learning method for automatic modulation classification (AMC) under dynamic and noisy channel conditions. It is called green โ€ฆ

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Impact of Validation Strategy on Machine Learning Performance in EEG-Based Alcoholism Classification

Tahir Cetin Akinci, Yuksel Celik, Omer Faruk Ertugrul ยท 2026

Electroencephalography provides a non-invasive and cost-effective approach for analyzing neural patterns associated with alcohol dependence. However, reported classification performance in EEG-based aโ€ฆ

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Stability and Robustness of Tensor-Coupled Flow-Conservation Dynamical Systems on Hypergraphs

Chencheng Zhang, Hao Yang, Bin Jiang, Shaoxuan Cui ยท 2026

This paper develops an entropy-based stability and robustness framework for nonlinear hypergraph dynamics with conservation and flow balance. We consider generator-form systems on the simplex whose stโ€ฆ

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Engineering Preprint PDF DOI

Graph-Enhanced LLM for SWAN-ISAC

Qian Gao, Ruikang Zhong, Yuanwei Liu ยท 2026

Segmented pinching antenna assisted integrated sensing and communication (ISAC) systems enable flexible spatial resource utilization by allowing different waveguide segments to be dynamically configurโ€ฆ

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