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NASA's X2000 Program: An Institutional Approach to Enabling Smaller Spacecraft

机译：NASA的X2000计划：启用小型航天器的一种制度方法

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摘要

The number of NASA science missions per year is increasing from less than one to more than six. At the same time, individual mission budgets are smaller and cannot afford their own dedicated technology developments. In response to this, NASA has formed the X2000 Program. This program, which is divided into a set of subsequent "deliveries" will provide the basic avionics, power, communications, and software capability for future science missions. X2000 First Delivery, which will be completed in early 2001, will provide a full-functioned one MRAD tolerant flight computer, power switching electronics, a highly efficient radioisotope power source, and a transponder that provides high-level services at both 8.4 GHz and 32 GHz bands. The X2000 Second Delivery, which will be completed in the 2003 time frame, will enable complete spacecraft in the 10-50 kg class. All capabilities delivered by the X2000 program will be commercialized within the US and therefore will be available for others to use. Although the immediate customers for these technologies are deep space missions, most of the capabilities being delivered are generic in nature and will be equally applicable to Earth Observation missions.
机译：每年，NASA科学任务的数量从不到一增加到六。同时，各个特派团的预算较小，无法负担自己的专门技术发展。对此，NASA成立了X2000计划。该程序分为一组后续的“发送程序”，将为将来的科学任务提供基本的航空电子设备，电源，通信和软件功能。 X2000 First Delivery将于2001年初完成，它将提供功能齐全的MRAD容错飞行计算机，电源开关电子设备，高效的放射性同位素电源以及可在8.4 GHz和32 GHz频率下提供高水平服务的应答器GHz频段。 X2000第二次交付将在2003年的时间范围内完成，它将使10至50公斤级的完整航天器成为可能。 X2000程序提供的所有功能将在美国境内商业化，因此将可供其他人使用。尽管这些技术的直接客户是深空任务，但交付的大多数功能本质上都是通用的，将同样适用于地球观测任务。

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