红外与毫米波学报最新文献_第3页

Molecular beam epitaxial growth of InAs quantum dots on GaAs for high characteristics temperature lasers 高特性温度激光器中InAs量子点的分子束外延生长

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2020-01-01 DOI: 10.11972/J.ISSN.1001-9014.2020.06.001

Yuan Ye, Sun Xiang-bin, Yang Chengao, Zhang Yi, Shang Jin-Ming, Xie Sheng-Wen, Zhang Yu, Ni Hai-Qiao, Xu Yingqiang, Niu Zhi-chuan

引用次数: 0

Precise measurements the broadening characteristics and parameters of methane near-infrared absorption spectrum at high pressure 精确测量了高压下甲烷近红外吸收光谱的展宽特性和参数

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2020-01-01 DOI: 10.11972/J.ISSN.1001-9014.2020.06.012

H. Ying, Zhang Yu-jun, You Kun, Fan Bo-qiang, Ling Meng-Qi, Y. U. Dong-Qi, X. Hao, Lei Bo-En, Jia Wei, Jing Jun-Sen, Liu Wen-qing

{"title":"Precise measurements the broadening characteristics and parameters of methane near-infrared absorption spectrum at high pressure","authors":"H. Ying, Zhang Yu-jun, You Kun, Fan Bo-qiang, Ling Meng-Qi, Y. U. Dong-Qi, X. Hao, Lei Bo-En, Jia Wei, Jing Jun-Sen, Liu Wen-qing","doi":"10.11972/J.ISSN.1001-9014.2020.06.012","DOIUrl":"https://doi.org/10.11972/J.ISSN.1001-9014.2020.06.012","url":null,"abstract":"The high-pressure absorption spectrum at 6046. 96 cm of methane was obtained with the measurement experimental platform. The empirical mode decomposition algorithm was used to filter out the detection noise caused by window deformation at high-pressure. Consequently,the overall root-mean-square error(RMSE)of absorbance signal was reduced by 3. 87 times,and the residual error of absorbance signal fitting was lower than ± 1% by using Lorentz line-type fitting algorithm. These studies showed that the absorption line width increased with the pressure increasing,and the mutual broadening coefficient of nitrogen-methane molecules at high-pres⁃ sure was calculated as 0. 0631 cm atm . Moreover,the absorption line appeared a \"red shift\" phenomenon as the pressure increasing,and the pressure shift coefficient of nitrogen-induced was calculated as -0. 00848 cm atm . Therefore,a method of concentration inversion at high pressure was proposed by the linear relationship between the detection wavelength,pressure,and pressure shift coefficient. In conclusion,the research on spectrum broad⁃ ening characteristics in high-pressure environment lays foundation for spectrum detecting in industrial environ⁃ ment.","PeriodicalId":50181,"journal":{"name":"红外与毫米波学报","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66395222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Calibration and non-uniformity correction of near-infrared polarization detector 近红外偏振探测器的标定与非均匀性校正

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2020-01-01 DOI: 10.11972/J.ISSN.1001-9014.2020.02.011

Yin Jia-Qi, Wang Shi-yong, Zhang Rui, Liu Fan-ming

引用次数: 2

Design and analysis of a broadband quasi-optical mode converter with a Denisov launcher 带杰尼索夫发射装置的宽带准光模式变换器的设计与分析

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2020-01-01 DOI: 10.11972/J.ISSN.1001-9014.2020.05.006

Bian Hui-Qi, Du Chao-Hai, P. Shi, Liu Pu-kun

引用次数: 0

Detailed investigations on double confocal waveguide for a gyro-TWT 陀螺行波管双共聚焦波导的详细研究

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2020-01-01 DOI: 10.11972/J.ISSN.1001-9014.2020.05.003

Zhang Chen, Wang Wei, Song Tao, Huang Jie, Cao Yi-chao, Liu Di-wei, Hu Min, Zhang Kai-chun, Wu Zhen-Hua, Zhong Renbin, Zhao Tao, G. Seng, L. Shenggang

{"title":"Detailed investigations on double confocal waveguide for a gyro-TWT","authors":"Zhang Chen, Wang Wei, Song Tao, Huang Jie, Cao Yi-chao, Liu Di-wei, Hu Min, Zhang Kai-chun, Wu Zhen-Hua, Zhong Renbin, Zhao Tao, G. Seng, L. Shenggang","doi":"10.11972/J.ISSN.1001-9014.2020.05.003","DOIUrl":"https://doi.org/10.11972/J.ISSN.1001-9014.2020.05.003","url":null,"abstract":"The electromagnetic characteristics of the double confocal waveguide for a gyro-TWT is investigated in details. The eigenvalue and the field distribution of two kinds of steady-state modes in a double confocal wave⁃ guide,namely the superposition mode and the ring mode,are calculated with the scalar formulation of Huygens’ Principle,the theoretical results agree well with those from the commercial CST software. When the anti-phase superposition mode TE06 mode is chosen as an operating mode in a gyro-TWT,the diffractive loss of the potential parasitic modes is far greater than that of the operating mode. It means that the potential parasitic modes can be suppressed by means of its own diffractive loss in a double confocal waveguide. The mode density in a double confocal waveguide is higher than that in a single confocal waveguide,but far lower than that in a cylindrical waveguide. Compared to the single confocal waveguide,a higher beam-wave interaction efficiency can be ob⁃ tained in the double confocal waveguide for a gyro-TWT,it is an appropriate choice to choose a double confocal waveguide as the beam-wave interaction structure in a gyro-TWT.","PeriodicalId":50181,"journal":{"name":"红外与毫米波学报","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66394645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The feasibility study of wavelength selection of multi-spectral LIDAR for autonomous driving 用于自动驾驶的多光谱激光雷达波长选择可行性研究

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2020-01-01 DOI: 10.11972/J.ISSN.1001-9014.2020.01.012

Song Shao-jing, Chen Yu-Wei, Huang Hai-jiang, Hu Jin-yan, Gong Yu-Mei, Shao Hui

{"title":"The feasibility study of wavelength selection of multi-spectral LIDAR for autonomous driving","authors":"Song Shao-jing, Chen Yu-Wei, Huang Hai-jiang, Hu Jin-yan, Gong Yu-Mei, Shao Hui","doi":"10.11972/J.ISSN.1001-9014.2020.01.012","DOIUrl":"https://doi.org/10.11972/J.ISSN.1001-9014.2020.01.012","url":null,"abstract":"In the autonomous driving system of automobile,in order to improve the performance of sin‐ gle-wavelength LIDAR in physical property detection classification and state,and draw lessons from the principle that multi-spectral detection has physical property detection ability,this paper studies the band selection of multi-spectral LIDAR,calculates and analyses the spectrum of typical targets in au‐ tonomous driving by using principal component analysis method. The characteristics of laser source and detector,the band selection method of multi-spectral LIDAR,the spectral characteristic analysis of typical targets for autonomous driving application scenarios and the availability of commercial LI‐ DAR are synthesized. The central wavelength of the multi-spectral LIDAR suitable for autonomous driving of automobiles is 808 nm,905 nm,1 064 nm and 1 310 nm. The validity of the selected wave‐ length of the multi-spectral LIDAR is verified by testing. 文章编号:1001-9014(2020)01-0086-06 DOI:10. 11972/j. issn. 1001-9014. 2020. 01. 012 收稿日期:2019⁃ 08⁃ 22,修回日期:2019-11-21 Received date:2019⁃ 08⁃ 22,Revised date:2019-11-21 基金项目:上海第二工业大学校重点学科建设项目(XXKZD1605);校企合作汽车电子联合实验中心建设项目资助(A11NH190704) Foundation items:Supported by Discipline Construction Project of Shanghai Polytechnic University(XXKZD1605),and Construction Project of Uni⁃ versity Enterprise Joint Automobile Electronic Experiment Center(A11NH190704). 作者简介(Biography):宋绍京(1974-),男,山东泰安人,副教授,主要从事图像处理与分析、实时信号与信息处理、智能驾驶等方面研究,Email:sjsong@sspu. edu. cn *通讯作者(Corresponding author):E-mail:sjsong@sspu. edu. cn 1期宋绍京等:适用汽车智能驾驶的多光谱激光雷达波长选择可行性研究","PeriodicalId":50181,"journal":{"name":"红外与毫米波学报","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66394614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Estimation of cloud base height for FY-4A satellite based on random forest algorithm 基于随机森林算法的FY-4A卫星云底高度估计

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2019-01-01 DOI: 10.11972/J.ISSN.1001-9014.2019.03.020

Tan Zhonghui, Shuo Ma, Ding Han, Ding Gao, Wei Yan

引用次数: 3

Analysis of snowfall′s microphysical process from Doppler spectrum using Ka-band millimeter-wave cloud radar 利用ka波段毫米波云雷达多普勒频谱分析降雪微物理过程

IF 0.7 4区物理与天体物理

红外与毫米波学报 Pub Date : 2019-01-01 DOI: 10.11972/j.issn.1001-9014.2019.02.019

Yu-Lian Li, Xue-Jin Sun, Shipeng Zhao, Wenming Ji

引用次数: 1

AOptimal design of P-side mirror for GaSb based vertical cavity surface emitting laser 基于GaSb的垂直腔面发射激光器p侧反射镜的优化设计