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๐Ÿ” andrew lobb ๐Ÿ“‚ Engineering
Showing 216 results for "andrew lobb" in Engineering
Engineering Preprint PDF DOI

EvoMarket: A High-Fidelity and Scalable Financial Market Simulator

Muyao Zhong, Zhenhua Yang, Yuxiang Liu, Ke Tang, Peng Yang ยท 2026

High-fidelity, scalable market simulation is a key instrument for mechanism evaluation, stress testing, and counterfactual policy analysis. Yet existing simulators rarely achieve \emph{mechanism fidelโ€ฆ

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Engineering Preprint PDF DOI

Feature-Level Robustness of Physics-Guided Micro-Doppler Descriptors for classification of Drones and Birds

Shaiq e Mustafa, Salman Liaquat, Imran Hafeez Abbasi, Azhar Hasan ยท 2026

Micro-Doppler signatures are a proven modality for discriminating between drones and birds, but their reliability degrades in low-SNR, data-constrained settings where deep learning models often fail. โ€ฆ

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Engineering Preprint PDF DOI

End-to-end optimization of sparse ultrasound linear probes

Sergio Urrea, Adrian Basarab, Herve Liebgott, Henry Arguello ยท 2026

Ultrasound imaging faces a trade-off between image quality and hardware complexity caused by dense transducers. Sparse arrays are one popular solution to mitigate this challenge. This work proposes anโ€ฆ

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Engineering Preprint PDF DOI

Real-Time Structural Detection for Indoor Navigation from 3D LiDAR Using Bird's-Eye-View Images

Guanliang Li, Pedro Espinosa-Angulo, David Perez-Saura, Santiago Tapia-Fernandez ยท 2026

Efficient structural perception is essential for mapping and autonomous navigation on resource-constrained robots. Existing 3D methods are computationally prohibitive, while traditional 2D geometric aโ€ฆ

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Engineering Preprint PDF DOI

Multibeam Phased Arrays with Spherical Gold Spatio-temporal Coding for Fading-Resilient and Delay Robust Beam Isolations

Yuan Ma, Mike Ballou, Kyle Richard, Hessam Mahdavifar, Najme Ebrahimi ยท 2026

Future integrated sensing and communication (ISAC) systems require simultaneous multibeam operation with low-latency hardware and robust isolation under synchronization error and fading. Conventional โ€ฆ

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Engineering Preprint PDF DOI

Deep Learning-Based Airway Segmentation in Systemic Lupus Erythematosus Patients with Interstitial Lung Disease (SLE-ILD): A Comparative High-Resolution CT Analysis

Sirong Piao, Ying Ming, Ruijie Zhao, Jiaru Wang, Ran Xiao, Rui Zhao, Zicheng Liao, Qiqi Xu, Shaoze Luo, Bing Li, Lin Li, Zhuangfei Ma, Fuling Zheng, Wei Song ยท 2026

To characterize lobar and segmental airway volume differences between systemic lupus erythematosus (SLE) patients with interstitial lung disease (ILD) and those without ILD (non-ILD) using a deep learโ€ฆ

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Engineering Preprint PDF DOI

Millimeter Wave Path Loss for Diverse Antenna Patterns in Outdoor Environment

Jaroslaw Wojtun, Cezary Ziolkowski, Jan M. Kelner, Pawel Skokowski, Niraj Narayan, Rajeev Shukla, Aniruddha Chandra, Radek Zavorka, Tomas Mikulasek, Jiri Blumenstein, Ondrej Zeleny, Ales Prokes ยท 2026

Empirical path loss models are defined for a specific antenna system used during measurements and characterized by a particular radiation pattern and main lobe beam width. In this paper, we propose a โ€ฆ

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Engineering Preprint PDF DOI

Initial Parameter Estimation for Non-Linear Optimization -- Trigonometric Function

Tilo Strutz ยท 2026

Nonlinear optimisation techniques are commonly employed to minimise complex cost functions, with their effectiveness determined largely by the structure of the underlying error landscape. These methodโ€ฆ

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Engineering Preprint PDF DOI

Sparse Array Design for Near-Field MU-MIMO: Reconfigurable Array Thinning Approach

Ahmed Hussain, Asmaa Abdallah, Abdulkadir Celik, Emil Bjornson, Ahmed M. Eltawil ยท 2026

Future wireless networks, deploying thousands of antenna elements, may operate in the radiative near-field (NF), enabling spatial multiplexing across both angle and range domains. Sparse arrays have tโ€ฆ

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Engineering Preprint PDF DOI

Large elements and advanced beamformers for increased field of view in 2-D ultrasound matrix arrays

Mick Gardner, Michael L. Oelze ยท 2026

Three-dimensional (3D) ultrasound promises various medical applications for abdominal, obstetrics, and breast imaging. However, ultrasound matrix arrays have extremely high element counts limiting theโ€ฆ

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Engineering Preprint PDF DOI

Compressed Sensing-Driven Near-Field Localization Exploiting Array of Subarrays

Sai Pavan Deram, Jacopo Pegoraro, Javier Lorca Hernando, Jesus O. Lacruz, Joerg Widmer ยท 2026

Near-field localization for ISAC requires large-aperture arrays, making fully-digital implementations prohibitively complex and costly. While sparse subarray architectures can reduce cost, they introdโ€ฆ

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Engineering Preprint PDF DOI

Deep Reinforcement Learning for Interference Suppression in RIS-Aided Space-Air-Ground Integrated Networks

Pujitha Mamillapalli, Shikhar Verma, Tiago Koketsu Rodrigues, Abhinav Kumar ยท 2026

Future 6G networks envision ubiquitous connectivity through space-air-ground integrated networks (SAGINs), where high-altitude platform stations (HAPSs) and satellites complement terrestrial systems tโ€ฆ

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Engineering Preprint PDF DOI

Unified and Efficient Analysis of Machining Chatter and Surface Location Error

Woraphrut Kornmaneesang, Tsu-Chin Tsao, Niloufar Esfandi, Shyh-Leh Chen ยท 2026

Although machining chatter can be suppressed by the choice of stable cutting parameters through means of stability lobe diagram (SLD), surface roughness still remains due to the forced vibration, whicโ€ฆ

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Engineering Preprint PDF DOI

Evaluating the Deformation Measurement Accuracy Using Low-SNR Radars for Future InSAR Missions

Emre Havazli, Shadi Oveisgharan, Michael Denbina, Brian Hawkins ยท 2025

Interferometric Synthetic Aperture Radar (InSAR) is a powerful tool for monitoring surface deformation with high precision. However, low Signal-to-Noise Ratio (SNR) conditions, common in regions with โ€ฆ

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Engineering Preprint PDF DOI

R2MF-Net: A Recurrent Residual Multi-Path Fusion Network for Robust Multi-directional Spine X-ray Segmentation

Xuecheng Li, Weikuan Jia, Komildzhon Sharipov, Sharipov Hotam Beknazarovich, Farzona S. Ataeva, Qurbonaliev Alisher, Yuanjie Zheng ยท 2025

Accurate segmentation of spinal structures in X-ray images is a prerequisite for quantitative scoliosis assessment, including Cobb angle measurement, vertebral translation estimation and curvature claโ€ฆ

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Engineering Preprint PDF DOI

2D Sparse Array Design via Reweighted L1 Second Order Cone Programming for 3D Ultrasound Imaging

Xi Zhang, Miguel Bernal, Wei-Ning Lee ยท 2025

Two-dimensional (2D) fully-addressed arrays can conveniently realize three-dimensional (3D) ultrasound imaging while fully controlled such arrays usually demands thousands of independent channels, whiโ€ฆ

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Engineering Preprint PDF DOI

Machine Learning-based Online Stability Lobe Diagram Estimation and Chatter Suppression Control in Milling Process

Yi Huang, Feng Han, Wenyi Liu, Jingang Yi, Yuebin Guo ยท 2025

Chatter is a self-excited vibration in milling that degrades surface quality and accelerates tool wear. This paper presents an adaptive process controller that suppresses chatter by leveraging machineโ€ฆ

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Engineering Preprint PDF DOI

Delay-Multiply-And-Sum Beamforming for Real-Time In-Air Acoustic Imaging

Wouter Jansen, Walter Daems, Jan Steckel ยท 2025

In-air acoustic imaging systems demand beamforming techniques that offer a high dynamic range and spatial resolution while also remaining robust. Conventional Delay-and-Sum (DAS) beamforming fails to โ€ฆ

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Engineering Preprint PDF DOI

A Supervised Autonomous Resection and Retraction Framework for Transurethral Enucleation of the Prostatic Median Lobe

Mariana Smith, Tanner Watts, Susheela Sharma Stern, Brendan Burkhart, Hao Li, Alejandro O. Chara, Nithesh Kumar, James Ferguson, Ayberk Acar, Jesse F. d'Almeida, Lauren Branscombe, Lauren Shepard, Ahmed Ghazi, Ipek Oguz, Jie Ying Wu, Robert J. Webster III, Axel Krieger, Alan Kuntz ยท 2025

Concentric tube robots (CTRs) offer dexterous motion at millimeter scales, enabling minimally invasive procedures through natural orifices. This work presents a coordinated model-based resection plannโ€ฆ

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Engineering Preprint PDF DOI

Model to Model: Understanding the Venus Flytrap Snapping Mechanism and Transferring it to a 3D-printed Bistable Soft Robotic Demonstrator

Maartje H. M. Wermelink, Renate Sachse, Sebastian Kruppert, Thomas Speck, Falk J. Tauber ยท 2025

The Venus flytrap (Dionaea muscipula) does not only serve as the textbook model for a carnivorous plant, but also has long intrigued both botanists and engineers with its rapidly closing leaf trap. Thโ€ฆ

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