Inverse ray-tracing method for nondestructive mapping of three-dimensional surfaces

2004 ◽  
Vol 95 (12) ◽  
pp. 7888-7891
Author(s):  
L. Arazi ◽  
I. Kelson ◽  
Y. Ducommun ◽  
E. Kapon
Keyword(s):  
Ray Tracing ◽  
Three Dimensional ◽  
Ray Tracing Method ◽  
Tracing Method

scholarly journals An Efficient 3-D Ray Tracing Method: Prediction of Indoor Radio Propagation at 28 GHz in 5G Network

Electronics ◽  
2019 ◽  
Vol 8 (3) ◽  
pp. 286 ◽  
Author(s):  
Ferdous Hossain ◽  
Tan Geok ◽  
Tharek Rahman ◽  
Mohammad Hindia ◽  
Kaharudin Dimyati ◽  
...  
Keyword(s):  
Ray Tracing ◽  
Three Dimensional ◽  
Measurement Data ◽  
Path Loss ◽  
Simulation Software ◽  
Ray Tracing Method ◽  
Fifth Generation ◽  
Indoor Radio ◽  
5G Network ◽  
Tracing Method

Millimeter wave technology will be dominating the fifth-generation networks due to the clear advantage of higher frequency bands and hence wider spectrum. In this paper, the indoor radio wave propagation at 28 GHz is studied by developing an efficient three-dimensional ray tracing (ETRT) method. The simulation software based on the ETRT model has been verified by measurement data. The received signal strength indication and path loss have shown significant agreement between simulation and measurement. Compared with the conventional shooting bouncing ray tracing method, the proposed ETRT method has better agreement with measurement data.

scholarly journals Verification of a two-dimensional/three-dimensional hybrid ray-tracing method for spatiotemporal channel modeling

Radio Science ◽  
2001 ◽  
Vol 36 (1) ◽  
pp. 53-66 ◽  
Author(s):  
Houtao Zhu ◽  
Jun-ichi Takada ◽  
Kiyomichi Araki ◽  
Takehiko Kobayashi
Keyword(s):  
Ray Tracing ◽  
Three Dimensional ◽  
Channel Modeling ◽  
Two Dimensional ◽  
Ray Tracing Method ◽  
Tracing Method

Three-Dimensional Simulation Analysis and Design by Ray-Tracing Method for Microcylinders and Two Kinds of Lens Duct

2012 ◽  
Vol 39 (3) ◽  
pp. 0302003
Author(s):  
韩克祯 Han Kezhen ◽  
刘晓娟 Liu Xiaojuan ◽  
葛筱璐 Ge Xiaolu ◽  
耿雪 Geng Xue ◽  
万云芳 Wan Yunfang ◽  
...  
Keyword(s):  
Ray Tracing ◽  
Simulation Analysis ◽  
Three Dimensional ◽  
Ray Tracing Method ◽  
Analysis And Design ◽  
Dimensional Simulation ◽  
Tracing Method

Numerical Determination of Radiative View Factors Using Ray Tracing

2010 ◽  
Vol 132 (7) ◽  
Author(s):  
T. Walker ◽  
S.-C. Xue ◽  
G. W. Barton
Keyword(s):  
Ray Tracing ◽  
Unit Area ◽  
Three Dimensional ◽  
Setup Time ◽  
View Factor ◽  
Ray Tracing Method ◽  
Ray Density ◽  
View Factors ◽  
Tracing Method

A ray-tracing method is presented for numerically determining radiative view factors in complex three-dimensional geometries. This method uses a set of “primitive” shapes to approximate the required geometry together with a Monte Carlo simulation to track the fate of randomized rays leaving each surface. View factors were calculated for an operational fiber drawing furnace using both numerical integration and ray-tracing methods. Calculated view factor profiles were essentially identical above a ray density of 105 per unit area. Run times for the ray-tracing method were considerable longer, although the setup time to describe a new geometry is very short and essentially independent of system complexity.

Quantitative evaluation of ultrasonic C-scan image in acoustically homogeneous and layered anisotropic materials using three dimensional ray tracing method

Ultrasonics ◽  
2014 ◽  
Vol 54 (2) ◽  
pp. 551-562 ◽  
Author(s):  
Sanjeevareddy Kolkoori ◽  
Christian Hoehne ◽  
Jens Prager ◽  
Michael Rethmeier ◽  
Marc Kreutzbruck
Keyword(s):  
Ray Tracing ◽  
Quantitative Evaluation ◽  
Three Dimensional ◽  
Anisotropic Materials ◽  
Ray Tracing Method ◽  
Tracing Method

Field Estimation in Tunnel and Underground by Ray Tracing Method

2000 ◽  
Vol 54 (3) ◽  
pp. 46-56
Author(s):  
K. Uchida ◽  
D. Da ◽  
C. K. Lee ◽  
T. Matsunaga ◽  
T. Imai ◽  
...  
Keyword(s):  
Ray Tracing ◽  
Ray Tracing Method ◽  
Field Estimation ◽  
Tracing Method
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