ScienceJohn Michels (Journalist) 1952 |
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Стр. 185
... direct and aided tracking are based on two groups of subjects , eight subjects for direct tracking and four for aided tracking . The curve for velocity tracking is based upon two groups of subjects , four to the group . One group ...
... direct and aided tracking are based on two groups of subjects , eight subjects for direct tracking and four for aided tracking . The curve for velocity tracking is based upon two groups of subjects , four to the group . One group ...
Стр. 186
... direct tracking is not a uniform single response . In reactive terms , it is made up primarily of two components , a rapidly oscillating positioning motion and a travel motion of longer wavelength that controls rate of cursor movement ...
... direct tracking is not a uniform single response . In reactive terms , it is made up primarily of two components , a rapidly oscillating positioning motion and a travel motion of longer wavelength that controls rate of cursor movement ...
Стр. 187
... direct tracking as a function of target width . Seventeen trained subjects were used in the experiment , and all ... direct tracking than in types of tracking in which some aid is provided to the operator . These differences in direct ...
... direct tracking as a function of target width . Seventeen trained subjects were used in the experiment , and all ... direct tracking than in types of tracking in which some aid is provided to the operator . These differences in direct ...
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