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首页> 外文期刊>Journal of geodynamics >The International Laser Ranging Service and its support for IGGOS
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The International Laser Ranging Service and its support for IGGOS

机译：国际激光测距服务及其对IGGOS的支持

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The International Laser Ranging Service (ILRS) was established in September 1998 as a service within the IAG to support programs in geodetic, geophysical, and lunar research activities and to provide data products to the International Earth Rotation Service (IERS) in support of its prime objectives. Now in operation for 5 years, the ILRS develops: (1) the standards and specifications necessary for product consistency and (2) the priorities and tracking strategies required to maximize network efficiency. The service collects, merges, analyzes, archives and distributes satellite and lunar laser ranging data to satisfy a variety of scientific, engineering, and operational needs and encourages the application of new technologies to enhance the quality, quantity, and cost effectiveness of its data products. The ILRS works with: (1) the global network to improve station performance; (2) new satellite missions in the design and building of retroreflector targets to maximize data quality and quantity and (3) science programs to optimize scientific data yield. The ILRS Central Bureau maintains a comprehensive web site as the primary vehicle for the distribution of information within the ILRS community. The site, which can be accessed at: http://ilrs.gsfc.nasa.gov is also available at mirrored sites at the Communications Research Laboratory (CRL) in Tokyo and the European Data Center (EDC) in Munich. During the last 2 years, the ILRS has addressed very important challenges: (1) data from the field stations are now submitted hourly and made available immediately through the data centers for access by the user community; (2) tracking on low satellites has been significantly improved through the sub-daily issue of predictions, drag functions, and the real-time exchange of time biases; (3) analysis products are now submitted in SINEX format for compatibility with the other space geodesy techniques; (4) the Analysis Working Group is heavily engaged in Pilot Projects as it works toward an ILRS "standard" global solution and (5) SLR has significantly increased its participation in the International Terrestrial Reference Frame (ITRF) activity, which is important to the success of IGGOS.
机译：国际激光测距服务（ILRS）成立于1998年9月，是IAG内部的一项服务，旨在支持大地测量，地球物理和月球研究活动的计划，并向国际地球自转服务（IERS）提供数据产品以支持其主要工作。目标。 ILRS已运行了5年，它开发出：（1）产品一致性所必需的标准和规范，以及（2）使网络效率最大化所需的优先级和跟踪策略。该服务收集，合并，分析，存档和分发卫星和月球激光测距数据，以满足各种科学，工程和运营需求，并鼓励应用新技术来提高其数据产品的质量，数量和成本效益。 。 ILRS与以下部门合作：（1）全球网络以提高电台性能； （2）在设计和建造后向反射镜目标方面的新卫星任务，以最大程度地提高数据质量和数量；（3）科学计划，以优化科学数据的产出。 ILRS中央局维护着一个综合的网站，作为在ILRS社区内分发信息的主要工具。可以从以下网址访问该站点：http://ilrs.gsfc.nasa.gov，也可以在东京的通信研究实验室（CRL）和慕尼黑的欧洲数据中心（EDC）的镜像站点中找到。在过去的两年中，ILRS解决了非常重要的挑战：（1）现在每小时按小时提交来自现场站的数据，并通过数据中心立即提供以供用户社区访问； （2）通过次日发布的预报，拖动功能和实时时间偏差交换，对低卫星的跟踪有了显着改善； （3）分析产品现在以SINEX格式提交，以与其他空间大地测量技术兼容。 （4）分析工作组在努力朝着ILRS“标准”全球解决方案努力的过程中积极参与了试点项目；（5）SLR大大增加了其对国际地面参考框架（ITRF）活动的参与，这对IGGOS的成功。

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