Constant Width

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/ˈkɑnstənt wɪdθ/

The PFM technology includes two kinds modes : constant width PFM and SWFM.
The authors analyze in detail the operation principle of the high frequency inverter using zero current switching, constant width and variable frequency control. A simple reliable topology is proposed and verified by experiment.
We introduce for convex domains of constant width a measure of asymmetry and show that the most symmetric domains are circular discs and the most asymmetric domains are Reuleaux triangles.
A Measure of Asymmetry for Convex Domains of Constant Width(CW)
Based on the analysis of 3 main stretching modes ( uniaxial, constant width and biaxial ), the progress in the research on the orientation induced crystallization during stretching of poly ( ethylene terephtalate )( PET ) is summarized.

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