International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of最新文献_第5页

IKONOS collection capability with the direct tasking from a regional operation center IKONOS收集能力与直接任务从区域操作中心

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303386

I. Bayir

{"title":"IKONOS collection capability with the direct tasking from a regional operation center","authors":"I. Bayir","doi":"10.1109/RAST.2003.1303386","DOIUrl":"https://doi.org/10.1109/RAST.2003.1303386","url":null,"abstract":"The IKONOS satellite has a global operations network and each regional operation center can directly send the tasking packages to the satellite and collects and receive the images in real time mode over 320 Mbit/sec link. Space Imaging Eurasia is one of these operational centers among this network and its collection efficiency is the best within this network. Each operation center has the ability to autonomously task the satellite within their communication cone. The location of the communication cone is dependent upon the placement of Radio Frequency Terminal and the communication cone size is dependent upon antenna elevation angle. The minimum value for this antenna elevation angle is 5 degrees and once the antenna is settled to this extend and rotated around 360 degrees, the communication cone of a regional operation center having 4600 km diameter can be reached. Each regional operation center has local collection planning and sensor tasking, direct downlink of image data from the IKONOS satellite, local image catalog and archive and local product generation and distribution rights. In this paper we described the Space Imaging Eurasia can access more area and more clear area in its communication cone. Results show the weather data usage and collection efficiency improvements in one particular satellite pass.","PeriodicalId":272869,"journal":{"name":"International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of","volume":"2015 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125641284","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: 5

GEZGIN: a case study of a real-time image processing subsystem for micro-satellites 微型卫星实时图像处理子系统的案例研究

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303924

N. Ismailoglu, O. Benderli, I. Korkmaz, S. Yesil, R. Sever, H. Sunay, T. Kolcak, Y. Tekmen

{"title":"GEZGIN: a case study of a real-time image processing subsystem for micro-satellites","authors":"N. Ismailoglu, O. Benderli, I. Korkmaz, S. Yesil, R. Sever, H. Sunay, T. Kolcak, Y. Tekmen","doi":"10.1109/RAST.2003.1303924","DOIUrl":"https://doi.org/10.1109/RAST.2003.1303924","url":null,"abstract":"GEZGIN is a real-time image processing subsystem, developed as an R&D payload for BILSAT-1, the first Earth observing micro-satellite of Turkey. The main functionality of GEZGIN is to compress in real-time multi-spectral images coming concurrently from the 4-band multi-spectral imager on BILSAT-1, using JPEG2000 image compression algorithm. The mission definition of BILSAT-1 imposes a 5.5 seconds interval constraint between two consecutive multi-spectral images with 20% overlap. GEZGIN fulfills this mission requirement by exploiting the parallelism among image processing units and assigning compute intensive tasks to dedicated hardware. The architecture of GEZGIN is highly integrated and fully reconfigurable allowing for the upgrade of all processing units in orbit. Hence it maintains flexibility and robustness against failures which are crucial properties for space applications. GEZGIN is built at low cost using completely \"commercial-off-the-shelf\" components and having performed well in all the flight readiness tests, has been successfully integrated on BILSAT-1. It is currently undergoing orbital tests.","PeriodicalId":272869,"journal":{"name":"International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128097218","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: 9

Modern earthquake monitoring in central Balkan region 巴尔干中部地区现代地震监测

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303908

E. Botev, R. Glavcheva

引用次数: 5

Potentials for high-resolution imaging with small satellites 利用小卫星进行高分辨率成像的潜力

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303892

R. Sandau

{"title":"Potentials for high-resolution imaging with small satellites","authors":"R. Sandau","doi":"10.1109/RAST.2003.1303892","DOIUrl":"https://doi.org/10.1109/RAST.2003.1303892","url":null,"abstract":"In the field of space-borne topographic mapping instruments the trend to smaller ground sample distances (GSD) can be observed, making use of the best technology available at the given time. From the 80 m GSD of ERTS (later renamed Landsat-1), the first satellite dedicated to civil space-borne Earth surface imaging launched in 1972, the GSD now approaches 1 m. Mass and power consumption of spacecraft and instruments follow similar trends. Alternatives to passive optical systems such as SAR and laser altimeters also benefit from the immense improvement in very diverse fields of technology. Nevertheless, the most promising prospects for topographic mapping with small satellites are connected with passive optical systems, especially push-broom systems. The paper tries to contribute to the answer of the question, how far can we go with decreasing instrument size, mass and power consumption, and decreasing the GSD at the same time. After explaining the basic topographic mapping concepts, the paper deals with important parameters for mapping with small satellites: spatial resolution, radiometry, mass, volume, power consumption, microelectronics, pointing accuracy and stability, data volume and transmission. From the technology point of view, small satellite missions for topographic mapping are feasible. One system is already in Earth orbit, others are in the planning stage. There is a good chance to install mapping systems with a low cost space segment. It is a question of market requirement and behavior whether or not these small satellite based mapping systems can successfully compete with existing space-borne or airborne based mapping systems.","PeriodicalId":272869,"journal":{"name":"International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121848820","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

An attitude determination and control system of the ALSAT-1 first Algerian microsatellite 阿尔及利亚第一颗微型卫星ALSAT-1的姿态确定和控制系统

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303902

A. Mohammed

引用次数: 17

Bulgarian space studies - past, present and future 保加利亚的空间研究——过去、现在和未来

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303974

P. Getsov

{"title":"Bulgarian space studies - past, present and future","authors":"P. Getsov","doi":"10.1109/RAST.2003.1303974","DOIUrl":"https://doi.org/10.1109/RAST.2003.1303974","url":null,"abstract":"This paper presents chronologically the Bulgarian achievements in space research. The creation and development of the Space Research Institute (SRI) started in 1969 and in 1972 Bulgaria launched its first space equipment onboard the Intercosmos-8 satellite. A number of joint satellites, heavy geophysical and meteo rockets under the Intercosmos program were developed. The apogee of Bulgarian space research activities was the development of research programs involving two Bulgarian astronauts, 11 units and included systems. The SRI takes an active part in cooperative studies with various foreign and international programs. Two of the successful projects were the Svet Space Greenhouse and Neurolab-B which involved cooperation with American and German institutes and were launched onboard the Mir Orbital Station. The collaboration continued with Russia in the Priroda International project, which was realized onboard Mir. Since 2000 SRI has taken part in 3 projects under the Fifth Framework Programme of the European Community. SRI has concluded contracts with the Brazilian company BRAZSAT. The Institute is licensed to distribute images through the Russian state company SOVINFORMSPUTNIK. More recent activities of SRI involve projects for scientific research on the Russian module of the International Space Station as well as projects for the 5/sup th/ Framework Programme of the European Union.","PeriodicalId":272869,"journal":{"name":"International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126487000","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

GIS database of Yesilirmak Watershed development project: establishment and recent developments Yesilirmak流域开发项目GIS数据库的建立与最新进展

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303995

H. Yildirim, M. Ozel

引用次数: 0

Electro-magnetic shield effect on reentry-related high-enthalpy flow 电磁屏蔽效应对再入高焓流的影响

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303952

T. Abe, Y. Takizawa, S. Sato, D. Konigorski

引用次数: 0

Possible Turkish participation in joint Euro-Med space projects 土耳其可能参与欧洲-地中海联合空间项目

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303960

F. Ince

引用次数: 2

Developing national space capability with small low cost satellites 用小型低成本卫星发展国家空间能力

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI: 10.1109/RAST.2003.1303891

J. Stephens

引用次数: 8