Results 21 to 30 of about 107,204 (279)

Residual Attention Mechanism for Remote Sensing Target Hiding

Remote Sensing, 2023
In this paper, we investigate deep-learning-based image inpainting techniques for emergency remote sensing mapping. Image inpainting can generate fabricated targets to conceal real-world private structures and ensure informational privacy.
Hao Yuan, Yongjian Shen, Ning Lv, Yuheng Li, Chen Chen, Zhouzhou Zhang   +5 more
doaj   +1 more source

High Accuracy MEMS Pressure Sensor Based on Quartz Crystal Resonator

Proceedings, 2017
This paper reports a high accuracy oil-filled MEMS absolute pressure sensor based on quartz crystal double-ended tuning fork (DETF) resonator, which is suitable for application in ocean, petroleum, meteorological, aerospace and spacecraft field, etc. The
J. Wang, C. Zhao, D. X. Han, X. F. Jin, S. M. Zhang, J. B. Zou, M. M. Wang, W. B. Li, Y. B. Guo   +8 more
doaj   +1 more source

A Sub-Bottom Type Adaption-Based Empirical Approach for Coastal Bathymetry Mapping Using Multispectral Satellite Imagery

Remote Sensing, 2023
Accurate bathymetric data in shallow water is of increasing importance for navigation safety, coastal management, and marine transportation. Satellite-derived bathymetry (SDB) is widely accepted as an effective alternative to conventional acoustic ...
Xue Ji, Yi Ma, Jingyu Zhang, Wenxue Xu, Yanhong Wang   +4 more
doaj   +1 more source

Movements and Diving Behavior of the Eastern North Pacific Offshore Killer Whale (Orcinus orca)

Frontiers in Marine Science, 2022
The Pacific Offshore killer whale population is currently listed as data deficient on the IUCN Red List and Threatened in Canada. The population is estimated at 300 individuals with a range extending from Southern California to the Aleutian Islands in ...
Gregory S. Schorr, M. Bradley Hanson, Erin A. Falcone, Candice K. Emmons, Susan M. Jarvis, Russel D. Andrews, Eric M. Keen   +6 more
doaj   +1 more source

Study on the Activity Laws of Fishing Vessels in China’s Sea Areas in Winter and Spring and the Effects of the COVID-19 Pandemic Based on AIS Data

Frontiers in Marine Science, 2022
Using AIS data to mine the dynamic characteristics of fishery resource exploitation helps to carry out scientific management of fishery and realize the sustainable development of marine resources. We proposed a framework that integrates multiple AIS data
Yanan Guan, Yanan Guan, Yanan Guan, Jie Zhang, Jie Zhang, Jie Zhang, Xi Zhang, Xi Zhang, Zhongwei Li, Junmin Meng, Junmin Meng, Genwang Liu, Genwang Liu, Meng Bao, Meng Bao, Chenghui Cao, Chenghui Cao   +16 more
doaj   +1 more source

IFM EFFECTS ON PCM/FM TELEMETRY SYSTEMS

, 1998
International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, CaliforniaIncidental Frequency Modulation (IFM) products in telemetry transmitters can be a significant cause of bit ...
Law, Gene, Whiteman, Don
core   +4 more sources

Algorithm for the Simultaneous Measurement of Multiple Parameters Based on Wavelength Modulation Spectroscopy

Sensors
To ensure personnel safety and prevent serious accidents, it is crucial to monitor parameters such as temperature, pressure, and gas composition concentrations in confined spaces.
Xiangyu Zhong, Qing Shi, Buqiang Zhang, Huiwen Niu, Gui Meng, Jianfa Zhou, Yongqing Peng   +6 more
doaj   +1 more source

Night and Day: Diel Differences in Ship Strike Risk for Fin Whales (Balaenoptera physalus) in the California Current System

Frontiers in Marine Science, 2019
Collisions with ships (ship strikes) are a pressing conservation concern for fin whales (Balaenoptera physalus) along western North America. Fin whales exhibit strong diel patterns in dive behavior, remaining near the surface for most of the night, but ...
Eric M. Keen, Kylie L. Scales, Brenda K. Rone, Elliott L. Hazen, Erin A. Falcone, Gregory S. Schorr   +5 more
doaj   +1 more source

An Improved Attack on the Basic Merkle–Hellman Knapsack Cryptosystem

IEEE Access, 2019
Knapsack problem is a famous NP-complete problem, which is believed to be difficult to be solved even by a quantum computer. Hence, this type of cryptosystem is a good candidate for post-quantum cryptography.
Jiayang Liu, Jingguo Bi, Songyan Xu
doaj   +1 more source

High-Precision Demodulation Method for Multi-FP Cavity Sensors Based on Filter Optimization

Sensors
Fibre-optic Fabry–Pérot (FP) multi-cavity sensors hold significant promise for multi-parameter measurements in extreme environments. However, precisely demodulating signals from each cavity within the composite interference spectrum remains a key ...
Tianchi Qiao, Qing Shi, Buqiang Zhang, Cong Ma, Guopei Mao   +4 more
doaj   +1 more source