Results 11 to 20 of about 1,558,588 (319)

A Fiber Vibration Signal Recognition Method Based on CNN-CBAM-LSTM

Applied Sciences, 2022
By trying to solve the issue of identifying multiple types of intrusion vibration signals collected by distributed vibrating fiber optic sensors, this study investigates the signal identification and feature extraction of intrusion signals, and proposes ...
Jincheng Huang, Jiaqing Mo, Jiangwei Zhang, Xinrong Ma   +3 more
doaj   +1 more source

Optical Fiber Vibration Signal Recognition Based on the Fusion of Multi–Scale Features

Sensors, 2022
Because of the problem of low recognition accuracy in the recognition of intrusion vibration events by the distributed Sagnac type optical fiber sensing system, this paper combines the traditional optical fiber vibration signal recognition idea and the ...
Xinrong Ma, Jiaqing Mo, Jiangwei Zhang, Jincheng Huang   +3 more
doaj   +1 more source

Spatial–Temporal Dynamic Graph Differential Equation Network for Traffic Flow Forecasting

Mathematics, 2023
Traffic flow forecasting is the foundation of intelligent transportation systems. Accurate traffic forecasting is crucial for intelligent traffic management and urban development.
Junwei Zhou, Xizhong Qin, Yuanfeng Ding, Haodong Ma   +3 more
doaj   +1 more source

Optical Flow-Aware-Based Multi-Modal Fusion Network for Violence Detection

Entropy, 2022
Violence detection aims to locate violent content in video frames. Improving the accuracy of violence detection is of great importance for security. However, the current methods do not make full use of the multi-modal vision and audio information, which ...
Yang Xiao, Guxue Gao, Liejun Wang, Huicheng Lai   +3 more
doaj   +1 more source

MSFusion: Multistage for Remote Sensing Image Spatiotemporal Fusion Based on Texture Transformer and Convolutional Neural Network

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Due to the limitations of current technology and budget, a single satellite sensor cannot obtain high spatiotemporal resolution remote sensing images.
Guangqi Yang, Yurong Qian, Hui Liu, Bochuan Tang, Ranran Qi, Yi Lu, Jun Geng   +6 more
doaj   +1 more source

SIGNAL PROBABILITY, REINFORCEMENT AND SIGNAL DETECTION [PDF]

Journal of the Experimental Analysis of Behavior, 1979
Five pigeons were trained to detect differences in light intensity. Two stimuli, S1 and S2, differing in intensity, were arranged on the center key of a three‐key chamber according to set probabilities. A peck on the center key turned on the two side keys.
D, McCarthy, M, Davison
openaire   +2 more sources

An Efficient Codebook Design for Uplink SCMA

IEEE Access, 2020
Sparse code multiple access (SCMA) is one of the most intensively investigated non-orthogonal multiple access (NOMA) techniques for the fifth generation communication (5G) system. In this paper, a new multi-stage optimization approach for codebook design
Mengyao Gao, Wenping Ge, Pengju Zhang, Yongxing Zhang   +3 more
doaj   +1 more source

MSRN and Multi-Headed Attention Mechanism for Language Identification

Information, 2022
With the popularity of the mobile internet, people all over the world can easily create and publish diverse media content such as multilingual and multi-dialectal audio and video.
Ailing Zeng, Mijit Ablimit, Askar Hamdulla   +2 more
doaj   +1 more source

Medical QA Oriented Multi-Task Learning Model for Question Intent Classification and Named Entity Recognition

Information, 2022
Intent classification and named entity recognition of medical questions are two key subtasks of the natural language understanding module in the question answering system.
Turdi Tohti, Mamatjan Abdurxit, Askar Hamdulla   +2 more
doaj   +1 more source

Multiple poles resonances coupling with high sensitivity sensing for multiple bulging black phosphorus-based metasurface

New Journal of Physics, 2023
Herein, a multiple bulging black phosphorus (BP)-based metasurface is proposed for studying its reflection responses and sensing performances through the finite-difference time-domain simulation method. It is shown that, the reflection dips are caused by
Nengxun Yang, Yixuan Wang, Lingqiao Li, Yang Ren, Zhihui He, Wei Cui, Zhimin Yang, Shaojun Lu, Xiongxiong Wu, Lang Bai   +9 more
doaj   +1 more source