Explanipedia

The Design and Research of a Cup Body Weld Seam Polishing Positioning System Based on Machine Vision Open

Yanqing Qiu, Zhinan Zhao, Tingting Lang, Wei Liu · 2025

A machine vision-based weld seam positioning system for thermos cups is proposed. The system’s operational flow and image algorithms are designed to achieve automatic calibration of the weld seam orientation. Experimental results show a qu…

The Gate Length Size Impact on the Performance of Carbon-Nanotube-Based 1t1r Configuration for Neuromorphic Computing Open

Hu Chen, Songang Peng, Han Xu, Yanqing Qiu, Yanming Liu , et al. · 2025

FMCW Laser Ranging System Based on SiON Waveguides and IQ Demodulation Technology Open

Leifu Zhou, Lijuan Zhang, Yanqing Qiu, Tingting Lang, Xiao Ma , et al. · 2024

This study introduces the design of a nonlinear frequency-modulated continuous wave (FMCW) laser ranging system. In contrast to the commonly used triangular wave linear modulation, this study utilizes sinusoidal wave modulation. The freque…

The Roadmap of 2D Materials and Devices Toward Chips Open

Anhan Liu, Xiaowei Zhang, Ziyu Liu, Yuning Li, Xueyang Peng , et al. · 2024

Due to the constraints imposed by physical effects and performance degradation, silicon-based chip technology is facing certain limitations in sustaining the advancement of Moore’s law. Two-dimensional (2D) materials have emerged as highly…

Wideband Airy Beam Generation Using Reflective Metasurfaces with Both Phase and Amplitude Modulation Open

Zhenai Wang, Tingting Lang, Yanqing Qiu · 2023

Airy beams are an intriguing type of non-diffraction wave packet that can exist in one-dimensional (1D) curved orbital plane systems. These beams have gained significant attention due to their unique properties, including non-diffraction, …

High-Sensitivity Temperature Sensor Based on the Perfect Metamaterial Absorber in the Terahertz Band Open

Yan Wang, Yanqing Qiu, Yingping Zhang, Tingting Lang, Fengjie Zhu · 2023

In this study, a perfect metamaterial absorber (PMMA) based on an indium antimonide temperature-sensitive material is designed and investigated in the terahertz region. We demonstrate that it is an ideal perfect narrow-band absorber with p…

Accelerating Optimization of Terahertz Metasurface Design Using Principal Component Analysis in Conjunction with Deep Learning Networks Open

Zhinan Zhao, Kaige Ding, Xudong Shen, Siyuan Ma, Yanqing Qiu , et al. · 2023

Decoding Wavelengths from Compressed Speckle Patterns with Deep Learning Open

Tianliang Wang, Jinchao Tao, Xu Wang, Liang Qin, Hongming Tian , et al. · 2023

Speckle-based interrogation system for quasi-distributed weak fiber Bragg gratings Open

Jinchao Tao, Liang Qin, Y. L. Li, Yanlong Meng, Yanqing Qiu , et al. · 2023

A simple quasi-distributed fiber sensing interrogation system based on random speckles is proposed for weak fiber Bragg gratings (WFBGs) in this work. Without using tunable lasers or spectrometers, a piece of multimode fiber is applied to …

Analysis and Performance Evaluation of BDS-3 Code Ranging Accuracy Based on Raw IF Data from a Zero-Baseline Experiment Open

Yu Liu, Fan Gao, Junxiang Li, Yunqiao He, Baojiao Ning , et al. · 2022

China’s BDS-3 global navigation satellite system has been built and is providing official open Positioning, Navigation, and Timing (PNT) service with full operational capability (FOC) since July 2020. The main new civil B1C and B2a ranging…

Recovering Wavelengths from highly compressed speckle patterns by Deep learning Open

Tianliang Wang, Jinchao Tao, Xu Wang, Liang Qin, Hongming Tian , et al. · 2022

Recovering the wavelengths from disordered speckle patterns has become an exciting prospect as a wavelength measurement method due to its high resolution and simple design. In previous studies, panel cameras were often utilized as the spec…

Assessment and Improvement of Urban Resilience to Flooding at a Subdistrict Level Using Multi-Source Geospatial Data: Jakarta as a Case Study Open

Hui Zhang, Xiaoqian Liu, Yingkai Xie, Qiang Gou, Rongrong Li , et al. · 2022

Urban resilience to natural disasters (e.g., flooding), in the context of climate change, has been becoming increasingly important for the sustainable development of cities. This paper presents a method to assess the urban resilience to fl…

Deep-learning-based hyperspectral imaging through a RGB camera Open

Xinyu Gao, Tianlang Wang, Jing Yang, Jinchao Tao, Yanqing Qiu , et al. · 2021

Hyperspectral image (HSI) contains both spatial pattern and spectral information which has been widely used in food safety, remote sensing, and medical detection. However, the acquisition of hyperspectral images is usually costly due to th…

Improvement of Image Classification by Multiple Optical Scattering Open

Xinyu Gao, Yi Li, Yanqing Qiu, Bangning Mao, Miaogen Chen , et al. · 2021

Multiple optical scattering occurs when light propagates in a non-uniform medium. During the multiple scattering, images were distorted and the spatial information they carried became scrambled. However, the image information is not lost b…

Core shell NaErF4 at NaYF4 upconversion nanoparticles qualify a NIR speckle wavemeter by a visible CCD Open

Tianliang Wang, Yi Li, Yan Long, Liang Qin, Xu Wang , et al. · 2021

Speckle patterns have been widely confirmed that can be utilized to reconstruct the wavelength information. In order to achieve higher resolution, a varies of optical diffusing waveguides have been investigated with a focus on their wavele…

Improvement of image classification by multiple optical scattering Open

Xinyu Gao, Yi Li, Yanqing Qiu, Bangning Mao, Miaogen Chen , et al. · 2021

Multiple optical scattering occurs when light propagates in a non-uniform medium. During the multiple scattering, images were distorted and the spatial information they carried became scrambled. However, the image information is not lost b…

A Camera free fiber speckle wavemeter Open

Tianliang Wang, Yi Li, Xinyu Gao, Jinchao Tao, Xu Wang , et al. · 2021

Recovering the wavelength from disordered speckle patterns has become an exciting prospect as a wavelength measurement method due to its high resolution and simple design. In previous studies, panel cameras have been used to detect the sub…

Machine learning-enabled camera free speckle wavemeter Open

Tianliang Wang, Yi Li, Xinyu Gao, Jinchao Tao, Xu Wang , et al. · 2021

Recovering the wavelength from disordered speckle patterns has become an exciting prospect as a wavelength measurement method due to its high resolution and simple design. In previous studies, panel cameras have been used to detect the sub…

High-resolution wavemeter based on polarization modulation of fiber speckles Open

Tianliang Wang, Yi Li, Ben Xu, Bangning Mao, Yanqing Qiu , et al. · 2020

For speckle pattern-based wavemeters or spectrometers, the intermodal and the chromatic dispersion of the diffusion waveguide are key factors in determining the wavelength resolution. In this study, we propose a new mechanism to modulate t…

RILS: RFID indoor localization system using mobile readers Open

Jinkai Liu, Yanqing Qiu, Kezhao Yin, Wentong Dong, Jiaqing Luo · 2018

The radio frequency identification technology was given greater interest as it is widely used for identification and localization in the cognitive radio sensor networks. While radio frequency identification–based indoor localization is att…

Structure-switching hairpin probe based electrochemical aptasensor for highly sensitive detection of protein Open

Xia Hu, Songbai Zhang, Ji‐Lin Lu, Liying Zheng, Hongen Geng , et al. · 2015

Using platelet derived growth factor B chain (PDGF-BB) as the model analyte, a structure-switching hairpin probe based electrochemical biosensing strategy for highly sensitive detection of protein is proposed in this work.Aptamer probe hyb…

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