Relative orbit design tool

机译：相对轨道设计工具

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A software tool was developed to facilitate the design of sets of satellite orbits such that the satellites always remain in close proximity to one another. The group of satellites is typically referred to as a cluster, and the close proximity motions are often termed formation flying. Such relative motion is well understood only for near-circular orbits, and no method existed to easily and rapidly design a cluster and compute the orbital parameters for the individual satellites. This tool provides that functionality with a graphical user interface to allow almost anyone to easily design and analyze relative orbits. The tool has several additional capabilities. It displays close-approach information for collision detection. It displays the relative orbits using a two-body orbit propagator so the effects of elliptical orbits can be studied. It exports the orbital data in several formats to facilitate further analysis.

机译：开发了一种软件工具，以便于设计卫星轨道集，使得卫星始终保持彼此靠近。该组卫星通常称为簇，并且近距离运动通常被称为飞行。这种相对运动仅适用于近圆形轨道，并且没有容易且快速地设计群集并计算各个卫星的轨道参数的方法。此工具提供了具有图形用户界面的功能，以允许几乎任何人轻松设计和分析相对轨道。该工具有几种额外的功能。它显示碰撞检测的近似信息。它显示使用双体轨道传播器的相对轨道，因此可以研究椭圆形轨道的效果。它以几种格式导出轨道数据，以促进进一步的分析。

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《IEEE Aerospace Conference》|2001年||共8页
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Mark V. Tollefson;
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中图分类 V1-53;
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1. Formation design in elliptical orbit using relative orbit elements [J] . Chao Han, Jianfeng Yin Acta astronautica . 2012,第AUGaaSEPa期

机译：使用相对轨道元素的椭圆轨道编队设计
2. Flyaround Orbit Design for Autonomous Rendezvous Based on Relative Orbit Elements [J] . Yu Yao, Ruiqiang Xie, Fenghua He Journal of Guidance, Control, and Dynamics . 2010,第5期

机译：基于相对轨道要素的自主交会绕行轨道设计
3. Flyaround Orbit Design for Autonomous Rendezvous Based on Relative Orbit Elements [J] . Yu Yao, Ruiqiang Xie, Fenghua He Journal of guidance, control, and dynamics . 2010,第5期

机译：基于相对轨道要素的自主交会绕行轨道设计
4. Relative orbit design tool [C] . Tollefson, M.V. . 2001

机译：相对轨道设计工具
5. Formation design and relative navigation in high Earth orbits. [D] . Lane, Christopher Morgan. 2007

机译：高地球轨道的编队设计和相对导航。
6. Design of a relative value unit-based tool for the measurement and reimbursement of pharmacy services for clinical trials [O] . Neus Pagès-Puigdemont, Glòria Molas, Maria Queralt Gorgas, 2019

机译：基于相对价值的单位工具设计用于临床试验的药房服务的测量和报销
7. : "This paper deals with the functionality of the flaked stone assemblages from several Neolithic sites of the NE of the Iberian Peninsula. The chronological framework ranges from the mid-6th to the mid-4th millennium cal. BCE, which corresponds to the Early and Middle Neolithic. This long period ranges from the arrival of the first farming communities in the Iberian Peninsula, around 5600-5500 cal. BCE, to 3600-3500 cal. BCE, two millennia later, when Neolithic communities had stably occupied most of the available territory, from the mountainous areas of the Pyrenees to the coastal areas of the Mediterranean.In this context, the NE of the Iberian Peninsula is one of the areas where a major number of use-wear analyses have been carried out, especially for what concerns the Neolithic period. This is mainly due to the interest shown by the directors of the excavations and by the Spanish use-wear specialists as well; both participated and cooperated in order to enlarge the number of contexts studied, making the NE of the Iberian Peninsula one of the areas of Europe with the largest number of ‘functional studies’. As a result, today we have a reliable picture of the type of lithic tools used by the first farming groups, how they were used, and which needs they were satisfying.The methodology employed for this type of analysis is today broadly shared by most use-wear specialists. A stereoscopic microscope is used together with a reflected-light microscope for the analysis of the archaeological specimens. Afterwards, the observed use-wear traces are compared with the traces from experimental tools. This study primarily made use of the tools preserved at the ‘Traceoteque’ of the Institución Milà y Fontanals of the CSIC of Barcelona.This paper presents the results obtained for the different types of analysed sites and the relative lithic assemblages. In this way, tools from different contexts are compared: open-air sites, caves and rock-shelters, pit-sites, burials, and mining sites. Such a diversity of contexts allowed for the exploration of the existence of recurrences and differences in the functionality of the lithic tools from one site to another. The results obtained have also provided information on some aspects related to the economic processes carried out at the different sites, caves, rock-shelters and open-air contexts. It has been possible to gain fresh data on the types of tasks carried out and their relative importance for each site, their relation with the geographical and environmental context and the natural resources available there. In addition, analysing tools recovered from burials – mainly individual inhumations – provided information on the relationships between the buried individuals and the working tools, in particular exploring the relationships between sex and age patterns and the types of tools deposited as goods.In conclusion, use-wear analysis allowed for the exploration of a variety of issues; from technical aspects related to the production and management of the lithic resources to social aspects related to the subsistence activities and the individuals that carried them out." [O] . Gibaja Bao, Juan Francisco, Mazzucco, Niccolo 2015

机译：：“本文研究了伊比利亚半岛东北部几个新石器时代遗址的片状石材组合的功能。时间框架从公元前6世纪中叶到4世纪中叶，分别对应于早期和早期。新石器时代中期，这段时间的长短是从伊比利亚半岛的第一个农业社区到来，大约在公元前5600-5500 cal，到了两千年后的3600-3500 BCE，当时新石器时代的社区稳定地占据了大部分可用土地。从比利牛斯山脉山区到地中海沿岸地区。在这种情况下，伊比利亚半岛东北部是进行过大量使用磨损分析的地区之一，尤其是在关注方面新石器时代，这主要是由于发掘负责人和西班牙使用服装专家表现出的浓厚兴趣；他们参与和合作以扩大孔蒂的数量xts进行了研究，使伊比利亚半岛的NE成为“功能研究”数量最多的欧洲地区之一。结果，今天我们可以可靠地了解第一批耕作小组使用的石器工具的类型，使用方法以及它们满足的需求。今天，大多数使用方法广泛共享用于这种类型的分析的方法穿专家。立体显微镜与反射光显微镜一起用于分析考古样本。然后，将观察到的使用磨损痕迹与实验工具的痕迹进行比较。这项研究主要利用了巴塞罗那CSIC的米拉·丰塔纳尔研究所的“ Traceoteque”中保存的工具。本文介绍了针对不同类型的分析地点和相对石器组合所获得的结果。通过这种方式，可以比较来自不同环境的工具：露天场所，洞穴和岩石避难所，露天场所，埋葬场所和采矿场所。如此多样的上下文允许探索重复性的存在以及从一个站点到另一个站点的石器工具的功能差异。所获得的结果还提供了与在不同地点，洞穴，避难所和露天环境中进行的经济过程有关的某些方面的信息。可以获得有关所执行任务的类型及其对每个站点的相对重要性，它们与地理和环境环境以及那里可用自然资源的关系的新数据。此外，对从墓葬中回收的工具（主要是个人遗体）进行分析，可提供有关被掩埋的个体与工作工具之间关系的信息，尤其是探索性别与年龄模式之间的关系以及作为商品存放的工具的类型。磨损分析允许探索各种问题；从与石器资源的生产和管理有关的技术方面到与自给活动及其实施者有关的社会方面。”
8. Preliminary Design of a Model to Assess the Effect of Space Surveillance Network(SSN) Sensor Upgrades on Orbit Prediction Accuracies Relative to the U.S. Anti-Satellite (ASAT) Mission [R] . O'Brien, D. L. 1991

机译：评估空间监视网络（ssN）传感器升级对美国反卫星（asaT）任务轨道预测精度影响的模型初步设计

Relative orbit design tool

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