منابع مشابه
Estimating Finite Rotation Axes of the Radius for Forearm Rotation
This axis of radius rotation is widely employed in forearm rotation research, yet there are relatively few studies that have attempted to validate its position and proposed consistency. Studies that have reported a consistent radius axis have not considered sequential finite rotations – instead, they’ve calculated average axes over a large range of motion [3]. Others present very little data, s...
متن کاملVisual perception of axes of head rotation
Registration of ego-motion is important to accurately navigate through space. Movements of the head and eye relative to space are registered through the vestibular system and optical flow, respectively. Here, we address three questions concerning the visual registration of self-rotation. (1) Eye-in-head movements provide a link between the motion signals received by sensors in the moving eye an...
متن کاملRotation axes for analysis of gravity effects on plant organs.
Epinastic curvatures of branches of Coleus blumei Benth. and the growth pattern of wheat (Triticum aestivum L.) seedlings on clinostats were used for bioassay of rotation methods for preventing growth responses to gravity. Tumbling a plant end over end was found to be just as effective as rotation about its horizontal axis. The results support the reliability of data from experiments in which a...
متن کاملFriction, Free Axes of Rotation and Entropy
Friction forces acting on rotators may promote their alignment and therefore eliminate degrees of freedom in their movement. The alignment of rotators by friction force was shown by experiments performed with different spinners, demonstrating how friction generates negentropy in a system of rotators. A gas of rigid rotators influenced by friction force is considered. The orientational negentrop...
متن کاملOptimal axes for defining the orientations of shapes - Electronics Letters
BELLMAN, R.E., and DREYFUS, s.E.: ‘Applied dynamic programming’ (Princeton, NJ: Princeton University Press, 1962) CHOU. P.A., LOOKABAUGH, T., and GRAY, R.M.: ‘Optimal pruning with application to tree-structured source coding and modeling’, IEEE Trans. Info. Theory, 1989, 35, (2), pp. 299-315 SHOHAM, Y., and GERSHO, A.: ‘Efficient bit allocation for an arbitrary set of quantisers’, IEEE Trans. A...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1971
ISSN: 0252-9211
DOI: 10.1017/s0252921100088965