Results 1 to 10 of about 30,191 (70)

CO2 concentration detection based on TDLAS technology [PDF]

MATEC Web of Conferences
With the growth of industrialization and energy consumption, a large number of CO2 gas emissions lead to global warming and cause a series of environmental problems, which have a great negative impact on the global ecosystem.
Gao Songtao, Hao Xiaojian, Mo Biming, Chen Junjie, Li Shuaijun, Ma Junjie, Wei Hongkai, Wu Yanlin   +7 more
doaj   +1 more source

Adaptive multi-wavelength temperature retrieval method [PDF]

MATEC Web of Conferences
This paper addresses the limitations of traditional multi-spectral temperature measurement methods, such as low computational efficiency and sensitivity to noise, by introducing an efficient temperature inversion method based on a collaborative design of
Dong Yuqian, Hao Xiaojian, Feng Shenxiang, Wei Tong, Wei Hongkai   +4 more
doaj   +1 more source

SIMULATION STUDY ON THE EFFECT OF SAND DIGGING AND HEAPING ON SAR IMAGING IN THE PEARL RIVER ESTUARY [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
There are frequent sand digging and heaping activities in shoal in the Pearl River Estuary (PRE). Water depth has changed in patches, which can be imaged by synthetic aperture radar (SAR).
X. Wang, H. Zhang, B. Fu, W. Guan, A. Shi   +4 more
doaj   +1 more source

MCAF-Net: A non-invasive early screening method for coronary artery disease based on a multi-scale cross-modal model [PDF]

MATEC Web of Conferences
Coronary artery disease (CAD) is one of the leading causes of death worldwide. Achieving early, non-invasive, and highly accurate detection of CAD is crucial for reducing its mortality rate.
Chen Fangyuan, Cui Jiangong, Wang Renxin, Shi Pengcheng, Wang Guofu, Wang Xinyi, Zhang Guojun   +6 more
doaj   +1 more source

A time synchronization optimization algorithm based on SharkNet [PDF]

MATEC Web of Conferences
In distributed measurement and control systems, high-precision time synchronization algorithm is an important guarantee to ensure the correctness of event sequence and data consistency between nodes.
Li Qiang, Xie Yanzhang, Liu Gaigai, Liu Wenyi   +3 more
doaj   +1 more source

A Safe and Portable CMUT Array Ultrasonic System for Bubble Sizing in Industrial Silicone Sealing Rings

Micromachines
To address the need for bubble detection in industrial silicone sealing rings, this paper presents a compact non-invasive ultrasonic monitoring system based on a capacitive micromachined ultrasonic transducer (CMUT) array, aiming to overcome the ...
Changde He, Shuo Liu, Hanchi Chai, Dandan Li, Chengrui Liu, Wanjia Gao, Yuhua Yang, Licheng Jia, Guojun Zhang, Renxin Wang, Jiangong Cui, Wendong Zhang   +11 more
doaj   +1 more source

High-Precision Salt Concentration Detection Using a CMUT Array with Temperature Compensation

Micromachines
This paper presents a miniaturized and highly accurate saltwater concentration monitoring system based on Capacitive Micromachined Ultrasonic Transducer (CMUT) array technology.
Hanchi Chai, Changde He, Mengke Luo, Guojun Zhang, Hongliang Wang, Renxin Wang, Yuhua Yang, Jiangong Cui, Wendong Zhang, Licheng Jia   +9 more
doaj   +1 more source

Super Mamba feature enhancement framework for small object detection

Scientific Reports
It is very challenging to accurately and timely detect small object containing dozens of pixels from infrared images. Compared with the complex background in infrared images taken by low-altitude drones, a framework is designed to learn a strong feature ...
Na Shi, Zheng Yang, Guang Yang, Kai Li, Zhiliang Yang, Jianping An, Sicheng Li, Liangliang Zhang, Senyang Jing   +8 more
doaj   +1 more source

Self-powered dual-heterojunction ZnO/Ag2Se/Si photodetector with synergistic band alignment for broadband detection from ultraviolet to near-infrared

Journal of Materiomics
Broadband photodetectors are critical for multispectral imaging, environmental monitoring, and optical communication. Zinc oxide (ZnO), known for its high electron mobility and excellent stability, is frequently integrated into heterojunctions to achieve
Wenjing Zhang, Weipeng Shi, Rui Guo, Gailing Tian, Yi Chen, Yonghua Wang, Danfeng Cui, Jinglong Wen, Dan Liu, Chenyang Xue   +9 more
doaj   +1 more source

Development of a 1 × 512 Ring Transducer Array-Based 3D Ultrasound Imaging System for Accurate Breast Lesion Detection: Phantom and Preliminary Clinical Feasibility Study

Micromachines
The work presents an algorithm for early detection of breast microlesions using a high resolution three-dimensional ultrasound imaging system. The system employs a 1 × 512 ring transducer array and a triaxial displacement platform with an accuracy of 0.1
Zhaodi Hou, Fei Wu, Dan Gao, Renxin Wang, Guojun Zhang, Changde He, Jiangong Cui, Wendong Zhang, Yuhua Yang, Licheng Jia   +9 more
doaj   +1 more source