منابع مشابه
Quantum Knitting
We analyze the connections between the mathematical theory of knots and quantum physics by addressing a number of algorithmic questions related to both knots and braid groups. Knots can be distinguished by means of ‘knot invariants’, among which the Jones polynomial plays a prominent role, since it can be associated with observables in topological quantum field theory. Although the problem of c...
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To enable shaped preforms to be produced accurately, it is essential to have a full understanding of the geometrical properties of the structure and the effects that the various shaping techniques produce. This publication discusses the technique of threedimensional shaping and its affects on the geometrical dimensions of a hemispherical form. In the paper the calculation procedures employed to...
متن کاملThe weft: a representation for periodic sounds
For the problem of separating sound mixtures, periodicity is a powerful cue used by both human listeners and automatic systems. Short-term autocorrelation of subband envelopes, as in the correlogram, accounts for much perceptual data. We present a discrete representation of common-period sounds, derived from the correlogram, for use in computational auditory scene analysis: The weft describes a...
متن کاملKnitting a 3D Model
A knitted animal is made of a closed surface consisting of several knitted patches knitted out of yarn and stuffed with cotton (Fig. 1). We introduce a system to create a knitting pattern from a given 3D surface model (mainly designed for rotund animal models). A knitting pattern is an instructional diagram describing how to knit yarn to obtain a desired shape. Since the creation of knitting pa...
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ژورنال
عنوان ژورنال: Journal of the Textile Machinery of Japan - Proceedings -
سال: 1971
ISSN: 1883-8731
DOI: 10.4188/transjtmsj1965a.24.p764