𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Design of a novel LED collimating element based on freeform surface

✍ Scribed by Xing-tao Yan 闫兴涛, Jian-feng Yang 杨建峰, Bin Xue 薛彬, Guo-qi Zhang 张国琦, Fan Bu 卜凡


Book ID
118818576
Publisher
Tianjin University of Technology
Year
2013
Tongue
English
Weight
276 KB
Volume
9
Category
Article
ISSN
1673-1905

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Rough and finish tool-path generation fo
✍ Z. Yin 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 283 KB

Progressive fitting and multiresolution tool path generating techniques are proposed in this paper, by which multi-level (LOD) models fitting for different subsets of sampled points are obtained, and then multiresolution rough-cut and finish-cut tool paths are generated based on the LOD models. The

A novel design of triplexer for GSM base
✍ N. Molaei Garmjani; Nader Komjani 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 641 KB

## Abstract In this article, a triplexer is presented for three operation frequencies in GSM, based on stepped impedance resonators (SIR).SIR structures have some characteristics, such as low weight, little dimension, and the ability of providing filter behavior with different frequencies in same d