凶残
发表于 2025-3-26 22:23:51
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hazard
发表于 2025-3-27 04:54:51
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Isthmus
发表于 2025-3-27 06:10:09
Physical fundamentals,tic field of an electromagnetic wave are perpendicular to each other and to the direction of the wave (Fig. 4.1). The plane containing the field vectors of the E-field defines the polarization of the wave (linear, circular, or elliptical).
类人猿
发表于 2025-3-27 11:47:18
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ARBOR
发表于 2025-3-27 14:30:58
Celestial navigation,bout the hero Odysseus written by the Greek poet Homer. A description for celestial navigation (or astronomical navigation, also briefly astronavigation) on land is the biblical story of the three Magi following the star of Bethlehem (no matter that the “star” actually was a conjunction of Saturn an
人类
发表于 2025-3-27 21:44:36
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deadlock
发表于 2025-3-27 23:20:32
Satellite-based navigation,signals transmitted by satellites. Quite often, this full nomenclature is shortened to the expression “satellite navigation”. This could be misleading because the navigation of satellites could be associated. Primarily, this book implies satellite-based navigation and the authors tried to use the co
Tdd526
发表于 2025-3-28 04:57:05
Inertial navigation,e developed in Germany. The first inertial navigation systems (INS) for aircraft use were constructed by Charles S. Draper at the Massachusetts Institute of Technology (MIT) in 1950. The development of specialized systems for inertial surveying started in the 1970s.
capsaicin
发表于 2025-3-28 08:42:52
Image-based navigation,al cameras or active instruments like laser scanners. Image-based navigation allows to extend the definition of navigation beyond the so far primarily geometric task. Due to the interaction of the sensor with its surrounding, sophisticated techniques may be developed permitting autonomous vehicles t
Acetaldehyde
发表于 2025-3-28 13:36:52
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