نتایج جستجو برای: motion measurement
تعداد نتایج: 644258 فیلتر نتایج به سال:
The behavioural experiments described here examined, in the praying mantis Tenodera sinensis, the manner in which the proprioceptive cervical hair plate sensilla are involved in the measurement of the distance to a jump target with the aid of motion parallax actively produced by translatory head motion. Various combinations of surgical deafferentation of the cervical hair plate sensilla had no ...
Andrew B. Watson (SID Senior Member) Abstract — Motion blur is a significant display property for which accurate, valid, and robust measurement methods are needed. Recent motion-blur measurements of a set of eight displays by a set of six measurement devices provided an opportunity to evaluate techniques of measurement and analysis. Both the raw data waveforms collected by each device and the m...
This paper presents a mathematical model for the vibration analysis of a three-component piezoelectric force sensor. The cubic theory of weakly nonlinear electroelasticity is applied to the model for describing the electromechanical coupling effect in the piezoelectric sensing elements which operate in thickness-shear and thickness-stretch vibration modes. Hamilton's principle is used to derive...
BACKGROUND To evaluate pancreatic tumor motion and its dynamics during respiration. METHODS AND MATERIALS This retrospective study includes 20 patients with unresectable pancreatic cancer who were treated with stereotactic ablative radiotherapy. An online respiratory tumor tracking system was used. Periodical maximum and minimum tumor positions with respiration in superior-inferior (SI), late...
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