仓储作者

[中文期刊] 基于卷积神经网络的光谱预处理方法

作者：焦青亮，刘明，于坤，刘子龙，孔令琴，惠梅，董立泉，赵跃进（北京理工大学光电学院，精密光电测试仪器与技术北京市重点实验室；河南师范大学物理学院，河南省红外光谱测量与应用重点实验室）

出处： Spectroscopy and Spectral Analysis 2022 第42卷第1期 P292

关键词：光谱学；卷积神经网络；光谱去噪；基线校正；特征峰定位

摘要：光谱的预处理在光谱分析中占有非常重要的地位。针对现有光谱去噪算法对弱峰保存能力差、基线校正算法对光谱能量过扣除、光谱特征峰定位不准确以及各种预处理算法串行处理造成的误差累计等问题, 设计了一个端到端的卷积神经网络。该网络由两个模块组成: 基线校正和去噪模块和特征峰定位模块。这两个模块相互连 ...

[中文期刊] 基于焦平面探测器的红外相机成像模型和静态传函测试方法研究 CA CSCD 剑桥核源

作者：孔健¹;，傅雨田²;，赵跃进¹; （¹北京理工大学光电学院精密光电测试仪器及技术北京市重点实验室；²中国科学院上海技术物理研究所）

出处：红外与毫米波学报 2022 第41卷第6期 P1072-1080

关键词：红外成像；模型；传函；测试

摘要：建立了基于焦平面探测器的红外成像系统成像的空间域和频率域模型；并分析指出，由于背景辐射的存在和红外探测器明显的响应非均匀性，只有系统经过良好的辐射校正，方能使其成像过程符合线性和空间不变性条件，使得相机可以采用传递函数来评价其几何成像性能。提出了针对基于焦平面探测器的红外成像系统的传函测试方法，能够 ...

[外文期刊] Terahertz Non-Destructive Testing and Imaging of High-Voltage Cables SCIE EI

作者： Zhang Zhenwei;Zhang Zhenwei;Xu Jing;Jia Rui;Wu Yinghong;Guan Hao;Han Siyi;Zhang Cunlin;Zhao Yuejin （Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China）

出处： Frontiers in Physics 2022 Vol.10

关键词： terahertz;terahertz imaging;non-destructive testing;frequency modulated continuous wave;cross-linked polyethylene;110.2970

摘要： The evaluation of the internal defects in high-voltage cross-linked polyethylene cables is highly crucial for the security and reliability of power tr ...

[外文期刊] Piston detection in segmented telescopes via multiple neural networks coordination of feature-enhanced images SCIE EI

作者： Zhao,Weirui¹;Wang,Hao¹;Zhang,Lu¹;Gu,Yun¹;Zhao,Yuejin¹; （¹Beijing Key Lab for Precision Optoelectronics Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Optics Communications 2022 Vol.507

摘要： High-precision piston detection within a large capture range is a key for segmented telescopes. In this paper, we propose a simple and efficient pisto ...

[外文期刊] Terahertz Wave Generation From Two-Color Laser-Excited Air Plasma Modulated by Bichromatic Laser Fields SCIE EI

作者： Ma, Danni^1,2;Dong, Liquan^1,2;Zhang, Minghao³;Zhang, Rui⁴;Zhao, Yuejin^1,2;Zhang, Cunlin³;Zhang, Liangliang³; （¹ Beijing Inst Technol, Sch Opt & Photon, Beijing Key Lab Precis Optoelect Measurement Inst, Beijing 100081, Peoples R China. ;² Beijing Inst Technol, Yangtze Delta Reg Acad, Jiaxing 314019, Peoples R China. ;³ Capital Normal Univ, Beijing Adv Innovat Ctr Imaging Technol, Dept Phys, Key Lab Terahertz Optoelect MoE, Beijing 100048, Peoples R China. ;⁴ Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China.）

出处： IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY 2022 Vol.12 No.3 P267-273

关键词： ENHANCEMENT; WAVELENGTH; EMISSION

摘要： Terahertz (THz) waves were generated using a two-color femtosecond laser with a fundamental wavelength of 1500 nm; the waves were modulated using two- ...

[外文期刊] Quasi-Optical Measurement and Complex Refractive Index Extraction of Flat Plate Materials Using Single Time-Domain Transmission Model in Y-Band SCIE EI

作者： Zhang, Zhenwei^1,2,3;Jia, Rui^2,3;Xu, Jing¹;Niu, Qiang⁴;Yang, Yuping⁴;Zhang, Cunlin^2,3;Zhao, Yuejin¹; （¹ Beijing Inst Technol, Beijing Key Lab Precis Optoelect Measurement Inst, Sch Opt & Photon, Beijing 100081, Peoples R China. ;² Capital Normal Univ, Beijing Engn Res Ctr Terahertz & Infrared Technol, Beijing 100048, Peoples R China. ;³ Capital Normal Univ, Dept Phys, Minist Educ, Key Lab Terahertz Optoelect, Beijing 100048, Peoples R China. ;⁴ Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China.）

出处： IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 2022 Vol.70 No.11 P5224-5233

关键词： DIELECTRIC-CONSTANT; PERMITTIVITY; SPECTROSCOPY; PERMEABILITY; PARAMETERS

摘要： Accurate acquisition of the complex refractive index of materials is of great significance to understand their physical properties. Based on a single ...

[外文期刊] Fractional Variation Network for THz Spectrum Denoising without Clean Data SCIE

作者： Jiao, Qingliang^1,2,3;Xu, Jing^1,2,3;Liu, Ming^1,2,3;Zhao, Fengfeng^1,2,3;Dong, Liquan^1,2,3;Hui, Mei^1,2,3;Kong, Lingqin^1,2,3;Zhao, Yuejin^1,2,3; （¹ Beijing Inst Technol, Sch Opt & Photon, Beijing 100081, Peoples R China. ;² Beijing Key Lab Precis Optoelect Measurement Inst, Beijing 100081, Peoples R China. ;³ Beijing Inst Technol, Yangtze Delta Reg Acad, Jiaxing 314019, Peoples R China.）

出处： FRACTAL AND FRACTIONAL 2022 Vol.6 No.5

关键词： IMAGE-RESTORATION; TERAHERTZ; IDENTIFICATION; ALGORITHM

摘要： Deep learning can remove the noise of the terahertz (THz) spectrum via its powerful feature extraction ability. However, this technology suffers from ...

[外文期刊] Adaptive non-contact robust heart rate detection method under head rotation motion SCIE EI

作者： Batubayaer, Ou-Yun^{1, 2}; Zhao, Yue-Jin^{1, 2, 3}; Kong, Ling-Qin^{1, 2, 3}; Dong, Li-Quan^{1, 2, 3}; Liu, Ming^{1, 2, 3}; Hui, Mei^{1, 2} （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing; 100081, China;²Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing Institute of Technology, Beijing; 100081, China;³Yangtze Delta Region Academy, Beijing Institute of Technology, Jiaxing; 314019, China）

出处： Wuli Xuebao/Acta Physica Sinica 2022 Vol.Vol.71 No.No.5

[外文期刊] Early Noninvasive Monitoring of Hypoxic State of Diabetic Foot Based on Diffuse Reflectance Spectroscopy SCIE EI

作者： Ge Xu;Ge Xu;Liquan Dong;Liquan Dong;Liquan Dong;Jing Yuan;Jing Yuan;Yuejin Zhao;Yuejin Zhao;Yuejin Zhao;Ming Liu;Ming Liu;Ming Liu;Mei Hui;Mei Hui;Lingqin Kong;Lingqin Kong;Lingqin Kong （School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China）

出处： Frontiers in Physics 2022 Vol.10

关键词： diffuse reflectance spectroscopy;monte carlo simulation;diabetic foot;hypoxic state;blood oxygen saturation;blood volume fraction

摘要： Early accurate diagnosis and assessment severity of the hypoxic state of diabetic foot is of paramount importance. In this paper, a noninvasive monito ...

[外文期刊] Diffuse Imaging Approach for Universal Noninvasive Blood Glucose Measurements SCIE EI

作者： Ming Liu;Ming Liu;Ming Liu;Ge Xu;Ge Xu;Yuejin Zhao;Yuejin Zhao;Yuejin Zhao;Lingqin Kong;Lingqin Kong;Lingqin Kong;Liquan Dong;Liquan Dong;Liquan Dong;Fen Li;Fen Li;Fen Li;Mei Hui;Mei Hui （School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China National Astronomical Observatories, Chinese Academy of Science, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China）

出处： Frontiers in Physics 2022 Vol.10

关键词： noninvasive blood glucose concentration monitoring;diffuse image;scattering coefficient;gradient boosting regression;deep feature

摘要： We proposed a diffuse imaging approach for universal noninvasive blood glucose measurements based on visible light, which can predict the blood glucos ...