Perigee
发表于 2025-3-25 05:59:19
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Substitution
发表于 2025-3-25 08:54:08
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deficiency
发表于 2025-3-25 12:23:28
The Statesman‘s Year-Book 1970-71-flying satellites in low Earth orbit. Similar to terrestrial applications, the relative navigation benefits from a high level of common error cancellation. Furthermore, the integer nature of double-difference carrier phase ambiguities can be exploited in carrier phase differential GPS (CDGPS). Both
Exonerate
发表于 2025-3-25 16:32:31
https://doi.org/10.1057/9780230253032in certain boundaries. This knowledge can be obtained using an autonomous relative navigation system based on radio frequency (RF) signals. The design aspects of such a system are detailed in this chapter. As all RF-based relative navigation systems are based on GNSS technology, the discussion is li
偏见
发表于 2025-3-25 22:53:52
https://doi.org/10.1057/9780230253032vision system the relative position and attitude (usually referred to in the machine vision literature as “pose”) of co-flying satellites can be extracted in real-time. This information can be used either to maintain or change the formation geometry. A crucial aspect affecting vision system design a
transient-pain
发表于 2025-3-26 03:16:57
https://doi.org/10.1057/9780230253032ntific and engineering advantages. This trend is responsible for an increasing demand on mission planning and scheduling systems able to coordinate the different spacecraft and to allocate tasks amongst them. New approaches are therefore needed to handle this new level of complexity, combining toget
stroke
发表于 2025-3-26 06:35:31
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alleviate
发表于 2025-3-26 08:33:58
https://doi.org/10.1057/9780230253032t overall performance. This section provides further details for the special situation of network nodes consisting of several satellites and ground stations. Via the communication system partially autonomous functions at each satellite are to be coordinated to enable joint observations. Such self-or
Ophthalmoscope
发表于 2025-3-26 15:08:38
https://doi.org/10.1057/9780230253032uted ground station networks offer new opportunities for the operation of distributed satellite systems. Actual networking concepts are presented and research challenges in the field of ground station networking are discussed.
hazard
发表于 2025-3-26 20:22:28
https://doi.org/10.1057/9780230253032. TanDEM-X comprises two formation flying satellites, each equipped with a synthetic aperture radar (SAR) to map the Earth’s surface with high spatial resolution. Together, the two satellites form a unique single-pass SAR interferometer, offering the opportunity for flexible baseline selection. Prim