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Study and Realization on Method of Software in Space Camera On-board Reprogramming 空间相机机载重编程软件方法的研究与实现
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112806.0030
张然峰 Zhang Ran-feng, 郝贤鹏 Hao Xian-peng, 金龙旭 Jin Long-xu, 赵运隆 Zhao Yun-long
{"title":"Study and Realization on Method of Software in Space Camera On-board Reprogramming","authors":"张然峰 Zhang Ran-feng, 郝贤鹏 Hao Xian-peng, 金龙旭 Jin Long-xu, 赵运隆 Zhao Yun-long","doi":"10.3788/OMEI20112806.0030","DOIUrl":"https://doi.org/10.3788/OMEI20112806.0030","url":null,"abstract":"With the development of computer technology and software technology,the real-time embedded system with high autonomy and reliability has been extensively applied to areas of spacecraft. In order to assure the system's performance and reliability during their on-board missions,the researches on on-board maintenance for real-time system is particularly important. According to the requirement of on-board maintenance for real-time embedded system,a novel method for software on-board reprogramming was suggested based on FPGA.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"30-34"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70573268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Design and Processing of Oxygen-free Copper Mirror for High-energy Laser 高能激光用无氧铜镜的设计与加工
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112803.0037
Song Shu-guang
{"title":"Design and Processing of Oxygen-free Copper Mirror for High-energy Laser","authors":"Song Shu-guang","doi":"10.3788/OMEI20112803.0037","DOIUrl":"https://doi.org/10.3788/OMEI20112803.0037","url":null,"abstract":"Oxygen-free copper mirror is important in high-energy laser optical components,while playing a beam expander and refracting the optical path. The oxygen-free copper mirror hasn’t cooling system for fine crystal lattice within the material and without the phenomenon of oxygen. The material is high-purity electrolysis copper by medium-pressure forging, with more delicate lattice,without agglomeration, forming the oxygen-free copper mirror substrate. The internal stress is eliminated by stabilization treatment. It can meet the drawing requirement from mechanical processing. The oxygen-free copper mirror surface is detected using microscope. If there is no abnormal phenomenon, then turn into nickel plating. The grinding and polishing accord to the working procedure, and detected by the laser interferometer, so as to meet the technical requirements and achieve the targets of the oxygen-free copper mirror.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"37-41"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70572003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection Technology of Low-contrast Target 低对比度目标检测技术
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112804.0026
关皓文 Guan Hao-wen, 王梓萤 Wang Zi-ying, 王文生 Wang Wen-sheng
{"title":"Detection Technology of Low-contrast Target","authors":"关皓文 Guan Hao-wen, 王梓萤 Wang Zi-ying, 王文生 Wang Wen-sheng","doi":"10.3788/OMEI20112804.0026","DOIUrl":"https://doi.org/10.3788/OMEI20112804.0026","url":null,"abstract":"In order to improve joint transform correlator(JTC) for recognition ability of low-contrast target in cluttered background,a new object plane filtering method is proposed based on the combination of wavelet transform,gray stretching and Canny operator.Finally,a new object plane processing filter is designed.The computer simulation and optical experiments show that this method can extract the target feature accurately,reduce the noise effectively and obtain bright correlation peaks.The recognition problem of low contrast target in cluttered background is solved successfully.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"26-32"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70572101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in All-solid-state Yellow Lasers at 589 nm 589 nm全固态黄色激光器的研究进展
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112807.0001B
王禹凝 Wang Yu-ning, 刘伟奇 Liu Wei-qi, 陈曦 Chen Xi, 丁蕴丰 Ding Yun-feng, 郭家喜 Guo Jia-xi, 姚矣 Yao Yi, 郑. Z. Quan
{"title":"Advances in All-solid-state Yellow Lasers at 589 nm","authors":"王禹凝 Wang Yu-ning, 刘伟奇 Liu Wei-qi, 陈曦 Chen Xi, 丁蕴丰 Ding Yun-feng, 郭家喜 Guo Jia-xi, 姚矣 Yao Yi, 郑. Z. Quan","doi":"10.3788/OMEI20112807.0001B","DOIUrl":"https://doi.org/10.3788/OMEI20112807.0001B","url":null,"abstract":"All-solid-state yellow lasers pumped by laser diode are developing quickly,and have great applications in laser medical,space target detection and identification,spectrum,laser display and other fields.At present,all-solid-state yellow lasers at 589 nm with high power,high stability,high efficiency and high beam quality are the research interest in laser field.The research status and development of all-solid-state yellow lasers at 589 nm were summarized and analyzed in this paper,which was useful reference for the future research in this field.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70573925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Study on Multi-structures of Gimbals for Electro-optical Reconnaissance Platform 光电侦察平台框架的多结构研究
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112803.0033
Xue Dan
{"title":"Study on Multi-structures of Gimbals for Electro-optical Reconnaissance Platform","authors":"Xue Dan","doi":"10.3788/OMEI20112803.0033","DOIUrl":"https://doi.org/10.3788/OMEI20112803.0033","url":null,"abstract":"The multi-structures of gimbals for the electro-optical reconnaissance platform are introduced. Their respective merits and flaws are studied from the stabilization principle. At last, the four-gimbal-two-axis electro-optical stabilization platform is pointed out as the best choice in this paper, along with the development of electro-optical reconnaissance techniques and equipments.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"33-36"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70572422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Truss Rod-connector of Space Camera 空间相机桁架杆连接器
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112808.0051
田富湘 Tian Fu-xiang, 何. H. Xin, 张. Z. Kai
{"title":"Truss Rod-connector of Space Camera","authors":"田富湘 Tian Fu-xiang, 何. H. Xin, 张. Z. Kai","doi":"10.3788/OMEI20112808.0051","DOIUrl":"https://doi.org/10.3788/OMEI20112808.0051","url":null,"abstract":"The truss structures,which were used widely in the long-span spatial structures,were applied more and more in the main supporting structures of the space cameras.The connectors of the truss rod and the frames which were used to mount the optical components were important parts of the truss structures.Compared several common structures of the truss rod-connector and the three methods to connect the composite material parts with the metal parts,a truss rod-connector was developed,which one end adhered to the truss rod and the other end connected with the frames by bolts.A cross flexible hinge was designed in the truss rod-connector to reduce the secondary stress,fully impose the material strength of the truss rod.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"6 1","pages":"51-55"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70574020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ATR Instrument Used in Infrared Fourier Transform Spectroscopy 红外傅立叶变换光谱中的ATR仪器
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112810.0048
Meng Qing-hua
{"title":"ATR Instrument Used in Infrared Fourier Transform Spectroscopy","authors":"Meng Qing-hua","doi":"10.3788/OMEI20112810.0048","DOIUrl":"https://doi.org/10.3788/OMEI20112810.0048","url":null,"abstract":"The general consideration,design of optical and mechanical structure for an inner attenuation total reflection(ATR) instrument used in infrared Fourier transform spectroscopy were introduced.The facula was reduced three times and focalized on samples,the optical system was restored and focalized to a receiver.The penetrating depth and inner total reflective times were analyzed,and the energy usage ratio could be calculated.The results showed that the energy usage ratio was 6%,the inner total reflection was fourteen times.At last,several samples of hair and polypropylene were tested by the FTS-7 infrared Fourier transform spectroscopy of American Bio-rad Company.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"48-52"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70574696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of Cylinder Helix Torsional Spring to Gapless Linear Transmission System 圆柱螺旋扭簧在无间隙直线传动系统中的应用
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112809.0064
刘立国 Liu Li-guo, 丁亚林 Ding Ya-lin, 惠守文 Hui Shouwen
{"title":"Application of Cylinder Helix Torsional Spring to Gapless Linear Transmission System","authors":"刘立国 Liu Li-guo, 丁亚林 Ding Ya-lin, 惠守文 Hui Shouwen","doi":"10.3788/OMEI20112809.0064","DOIUrl":"https://doi.org/10.3788/OMEI20112809.0064","url":null,"abstract":"A new method of achieving steel band tension by using cylinder helix torsional spring was presented in the course of studying the gapless linear transmission system.The principle of the gapless linear transmission system was briefly described in this paper.The characteristics of the cylinder helix torsional spring were researched.The change of the steel band's tension and elastic deformation,as well as the encoder's output error was analyzed because of the cylinder helix torsional spring's inflection in periodic motion.A mathematical model was established and tested.The results indicated that the cylinder helix torsional spring could better achieve the function.It is concluded that the method can meet the design requirements。","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"19 1","pages":"64-67"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70574965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Technical Review for Lasers Used in Optical Countermeasure 用于光学对抗的激光器技术综述
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112811.0001B
郭汝海 Guo Ru-hai, 赵新宇 Zhao Xin-yu, 马. M. Jun
{"title":"Technical Review for Lasers Used in Optical Countermeasure","authors":"郭汝海 Guo Ru-hai, 赵新宇 Zhao Xin-yu, 马. M. Jun","doi":"10.3788/OMEI20112811.0001B","DOIUrl":"https://doi.org/10.3788/OMEI20112811.0001B","url":null,"abstract":"The development of laser technology is very fast in recent years.A variety of laser sources have been regarded as the key component in many optoelectronic devices.For directed energy weapon,the progress of laser technology has greatly improved the tactical effectiveness,such as increasing the range and strike precision.At the same time,the modern solid-state laser has become the ideal optical source for optical countermeasure,because it has high photoelectric conversion efficiency and small volume or weight.However,the total performance is limited by the mutual cooperation between different subsystems.The optical countermeasure is a complex technique after many years development.The key factor to evaluate the laser weapon can be formulated as laser energy density to target.The technical review for laser used in optical countermeasure is briefly introduced in this paper.Especially the essential techniques are discussed for the laser used in the optical countermeasure system,so that the laser has a better compatibility to total system.In this way,the maximum energy emitted by the laser source can be utilized.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"28 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70575142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Impact Point Prediction based on Measure of Theodolite 基于经纬仪测量的冲击点预测研究
光机电信息 Pub Date : 2011-01-01 DOI: 10.3788/OMEI20112811.0038
葛. G. Bing, 高慧斌 Gao Hui-bin, 张淑梅 Zhang Shu-mei, 余. Y. Yi
{"title":"Research on Impact Point Prediction based on Measure of Theodolite","authors":"葛. G. Bing, 高慧斌 Gao Hui-bin, 张淑梅 Zhang Shu-mei, 余. Y. Yi","doi":"10.3788/OMEI20112811.0038","DOIUrl":"https://doi.org/10.3788/OMEI20112811.0038","url":null,"abstract":"Because of limitation of the effective range and location,the theodolite can not track the ballistic missile all the way.This paper predicts the impact point by method of solving the differential equations.The theodolite measures the angles of the target,so convergent measurement is used for position and velocity.","PeriodicalId":68706,"journal":{"name":"光机电信息","volume":"16 1","pages":"38-42"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70575423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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