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Quantitative understanding of the fly casting stroke through measurements and robotic casting 总被引：1，自引：1，他引：0
A stumbling point for many learning to fly fish is being able to fly cast well enough to ‘present’ a fly to a feeding fish.
Even among more skilled fly fishers, learning to fly cast better is often a bottleneck towards advancement in the sport. Fly
casting instruction today relies on the visual inspection of the fly casting stroke and the resulting ‘loop’ of fly line.
These qualitative visual cues help fly casting instructors spot the strengths and weakness in a student’s casting stroke.
We introduce two novel technologies for fly casting instruction that result in aquantitative understanding of the fly casting stroke. In particular, we describe a novel robot that is able to replicate standard overhead
casts. This achievement is made possible by measuring the casting stroke using a small (MEMS) rate gyro to record the angular
velocity of the fly rod in the casting plane. The robot is then programmed to replicate this angular velocity history. Potential
uses of this robot include an objective means to assess fly rod, fly line and leader designs, as well as new methods for fly
casting instruction. 相似文献
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Wendy K. Adams Hisham Alhadlaq Christopher V. Malley Katherine K. Perkins Jonathan Olson Fahad Alshaya Saleh Alabdulkareem Carl E. Wieman 《Journal of Science Education and Technology》2012,21(1):1-10
The PhET Interactive Simulations Project partnered with the Excellence Research Center of Science and Mathematics Education
at King Saud University with the joint goal of making simulations useable worldwide. One of the main challenges of this partnership
is to make PhET simulations and the website easily translatable into any language. The PhET project team overcame this challenge
by creating the Translation Utility. This tool allows a person fluent in both English and another language to easily translate
any of the PhET simulations and requires minimal computer expertise. In this paper we discuss the technical issues involved
in this software solution, as well as the issues involved in obtaining accurate translations. We share our solutions to many
of the unexpected problems we encountered that would apply generally to making on-line scientific course materials available
in many different languages, including working with: languages written right-to-left, different character sets, and different
conventions for expressing equations, variables, units and scientific notation. 相似文献
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William Fadiman V. F. Perkins Richard Corliss Eugene Vale Alex Strasser 《Communication Booknotes Quarterly》2013,44(6):6-7
William Fadiman's Hollywood Now (New York: Liveright, 1972 -- $6.95) V. F. Perkins' Film as Film: Understanding and Judging Movies (Baltimore: Penguin Books, 1972 -- $2.25, paper) Richard Corliss (ed.) The Hollywood Screenwriters (New York: Avon Discus Books, 1972 -- $1.95, paper) Eugene Vale's The Technique of Screenplay Writing: An Analysis of the Dramatic Structure of Motion Pictures (New York: Grosset &; Dunlap, 1972 -- $5.95) Alex Strasser's The Work of the Science Film Maker (New York: Hastings House, 1972 -- $17.50) Dialogue on Film Journal of the University Film Association 相似文献