Results 51 to 60 of about 35,695 (318)

Imaging internal flows in a drying sessile polymer dispersion drop using Spectral Radar Optical Coherence Tomography (SR-OCT) [PDF]

, 2013
In this work, we present the visualization of the internal flows in a drying sessile polymer dispersion drop on hydrophilic and hydrophobic surfaces with Spectral Radar Optical Coherence Tomography (SR-OCT).We have found that surface features such as the
Sauer, HM, Sauer, Hans M., Fairhurst, David. J., Fairhurst, DJ, Liang, Haida, Haida Liang, Roisman, IV, Fairhurst, David J., David J. Fairhurst, Ilia V. Roisman, Baldwin, KA, Liang, H, Joachim Venzmer, Kyle A. Baldwin, Manukyan, S, Manukyan, Selin, Sauer, Hans Martin, Baldwin, Kyle A., Cameron Tropea, Roisman, Ilia V., Selin Manukyan, Venzmer, Joachim, Tropea, Cameron, Hans M. Sauer, Tropea, C, Venzmer, J   +25 more
core   +1 more source

Machine Learning‐Assisted Inverse Design of Soft and Multifunctional Hybrid Liquid Metal Composites

Advanced Functional Materials, EarlyView.
A machine learning framework is presented for inverse design of synthesizable multifunctional composites containing both liquid metal and solid inclusions. By integrating physics‐based modeling, data‐driven prediction, and Bayesian optimization, the approach enables intelligent design of experiments to identify optimal compositions and realize these ...
Lijun Zhou, Yunsik Ohm, Ren‐Mian Chin, Olivia Kerr, Krithika Manohar, Mohammad H. Malakooti   +5 more
wiley   +1 more source

Joint Dwell Time and Bandwidth Optimization for Multi-Target Tracking in Radar Network Based on Low Probability of Intercept

Sensors, 2020
Radar network systems have been demonstrated to offer numerous advantages for target tracking. In this paper, a low probability of intercept (LPI)-based joint dwell time and bandwidth optimization strategy is proposed for multi-target tracking in a radar
Lintao Ding, Chenguang Shi, Wei Qiu, Jianjiang Zhou   +3 more
doaj   +1 more source

Multimodal Perception and Machine Learning‐Empowered Human Machine Interfaces With Double‐Network Hydrogel Fibers

Advanced Functional Materials, EarlyView.
This work develops polyacrylamide‐alginate (PAM‐Alg) double‐network hydrogel fibers for multimodal perception and intelligent human‐machine interfaces. The covalent‐ionic network provides high strength, toughness, and stable conductivity. Easily woven into wearables and integrated with soft robots, the fibers enable object and temperature recognitions ...
Yujue Yang, Minyu Qiu, Di Tan, Xinlong Liu, Junze Zhang, Ziyu He, Jing Han, Yuanyuan Gao, Zihua Li, Hong Fu, Bingang Xu   +10 more
wiley   +1 more source

Oxidized MoS2‐Based Multifunctional Memristive Hardware for Energy‐Efficient mmWave Signal Processing and In‐Memory Matrix Multiplication

Advanced Functional Materials, EarlyView.
Thermally oxidized MoS2‐based radio‐frequency switches enable a multifunctional platform that unifies broadband RF switching and in‐memory computation. The device achieves a cutoff frequency of 33.2 THz with high energy efficiency and supports hardware‐aware signal processing.
Juho Son, Changwoo Pyo, Sungmoon Park, Yoongi Cho, Seungchan Lee, Myungsoo Kim   +5 more
wiley   +1 more source

Multitask Joint Optimization Based SAR Target Recognition Model From Echo Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
To address the limitations of conventional synthetic aperture radar (SAR) target recognition, particularly the computational redundancy and error accumulation inherent in the imaging-first paradigm, the paper proposes echo-to-class network (E2CNet), an ...
Yiwen Wang, Fuxuan Cai, Jingjing Zhang, Zhongyuan Ji, Hui Bi   +4 more
doaj   +1 more source

Photonics-based real-time ultra-high-range-resolution radar with broadband signal generation and processing

Scientific Reports, 2017
Real-time and high-resolution target detection is highly desirable in modern radar applications. Electronic techniques have encountered grave difficulties in the development of such radars, which strictly rely on a large instantaneous bandwidth.
Fangzheng Zhang, Qingshui Guo, Shilong Pan   +2 more
doaj   +1 more source

Microwave Photonic Channelizer Based on Polarization Multiplexing and Photonic Dual Output Image Reject Mixer

IEEE Access, 2019
Microwave photonic channelizer based on coherent frequency combs (OFCs) enables processing of ultra-wideband RF signals using low-frequency components.
Chenxu Xie, Dan Zhu, Wenjuan Chen, Shilong Pan   +3 more
doaj   +1 more source

Joint Aperture and Power Allocation Strategy for a Radar Network Localization System Based on Low Probability of Interception Optimization

Sensors, 2023
In the process of using the Distributed Radar Network Localization System (DRNLS) further to improve the survivability of a carrier platform, the random characteristics of the system’s Aperture Resource Allocation (ARA) and Radar Cross Section (RCS) are ...
Chenyan Xue, Ling Wang, Daiyin Zhu
doaj   +1 more source

Multiple feature-enhanced SAR imaging using sparsity in combined dictionaries [PDF]

, 2013
Nonquadratic regularization-based image formation is a recently proposed framework for feature-enhanced radar imaging. Specific image formation techniques in this framework have so far focused on enhancing one type of feature, such as strong point ...
Çetin, Müjdat, Samadi, Sadegh, Masnadi-Shirazi, Mohammad Ali   +2 more
core   +1 more source