نتایج جستجو برای: نور led

تعداد نتایج: 221431  

2017
Liang Jia Srikanth Lakshmikanthan Yan-Fei Liu

Abstract – Modeling of the cascode switching structure used in Flyback converter for achieving fast startup in the deeply dimmed phase-cut LED driver is presented in this paper. The cascode structure’s inherent instability and oscillation issue is modeled and analyzed quantitatively. Three solutions are proposed to stabilize the structure and suppress the unstable voltage oscillation. Solutions...

2003
Hiroyuki Aritaki Ryo Furukawa Hiroshi Kawasaki Masao Sakauchi

We present the 3D Wand, a low-cost 3D shape acquisition device consisting of a laser line projector and LEDs. A user projects a plane of light to the measured 3D scene by the handheld 3D Wand. The projected light and the LED lights are captured with a DV camera. By estimating the 3D pose of the 3D Wand from the visual information of the LED lights, the distance to the surface lit by the laser i...

Journal: :Annual Review of Political Science 2020

Journal: :Policing and Society 2017

Journal: :The Journal of Clinical Psychiatry 2022

Journal: :Cosmopolitan Civil Societies: An Interdisciplinary Journal 2020

Journal: :Electronics and Control Systems 2011

Journal: :III-Vs Review 2003

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