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Relevant bibliographies by topics / Shooting and Bouncing Ray (SBR) Method

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Academic literature on the topic 'Shooting and Bouncing Ray (SBR) Method'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Shooting and Bouncing Ray (SBR) Method"

1

Xu, Gaogui, Chunzhu Dong, Tao Zhao, Hongcheng Yin, and Xuan Chen. "Acceleration of shooting and bouncing ray method based on OptiX and normal vectors correction." PLOS ONE 16, no. 6 (2021): e0253743. http://dx.doi.org/10.1371/journal.pone.0253743.

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The present paper deals with a new efficient shooting and bouncing ray (SBR) method based on OptiX and normal vectors correction. The basic idea is to make full use of the computing resources of the RTX series graphics cards. For ray tracing, the algorithm uses OptiX to invoke the built-in RT Cores of hardware. Thus, a fast intersection test can be implemented. To reduce the error of ray tracing caused by the facetted surface characterizing the curved surface, the direction of the reflected ray is corrected by normal vectors correction. Additionally, multiple GPU cores are invoked to accelerat

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Feng, Tiantian, and Lixin Guo. "Multiview ISAR Imaging for Complex Targets Based on Improved SBR Scattering Model." International Journal of Antennas and Propagation 2021 (January 25, 2021): 1–10. http://dx.doi.org/10.1155/2021/6615154.

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A novel multiview inverse synthetic aperture radar (ISAR) imaging method is proposed to simulate high-resolution and identifiable ISAR image of complex targets by handling large-angle and wide-bandwidth scattering data. The scattering data are simulated with the shooting and bouncing ray (SBR) method. The bidirectional ray-tracing algorithm is developed to reduce the computation time. Simulation results indicate that the improved method is efficient and reliable to calculate electromagnetic (EM) scattering of electrically large targets. To implement the multiview ISAR imaging method after data

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Hossain, Ferdous, Tan Geok, Tharek Rahman, Mhd Hindia, Kaharudin Dimyati, and Azlan Abdaziz. "Indoor Millimeter-Wave Propagation Prediction by Measurement and Ray Tracing Simulation at 38 GHz." Symmetry 10, no. 10 (2018): 464. http://dx.doi.org/10.3390/sym10100464.

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The Millimeter-Wave (mmW) technology is going to mitigate the global higher bandwidth carriers. It will dominate the future network system by the attractive advantages of the higher frequency band. Higher frequency offers a wider bandwidth spectrum. Therefore, its utilizations are rapidly increasing in the wireless communication system. In this paper, an indoor mmW propagation prediction is presented at 38 GHz based on measurements and the proposed Three-Dimensional (3-D) Ray Tracing (RT) simulation. Moreover, an additional simulation performed using 3-D Shooting Bouncing Ray (SBR) method is p

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Guo, Lixin, and Tiantian Feng. "Electromagnetic Scattering of Electrically Large Ship above Sea Surface with SBR-SDFM Method." International Journal of Antennas and Propagation 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/2753794.

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Hybrid scheme combining shooting and bouncing ray with semi-deterministic facet model is proposed to analyze composite scattering from ship-ocean scene in this study. This model can deal with complex electromagnetic interaction between ship and sea surface. Thus, scattering properties of composite ship-ocean scenes with influence of various parameters (such as incident angle and wind speed) can be studied and analyzed efficiently. Studying such properties is of significance for target detection and high-resolution radar imaging in sea environments. Accuracy and performance of this method are v

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Peng, Peng, and Guo Lixin. "A New Shooting Bouncing Ray Method for Composite Scattering from a Target above the Electrically Large Scope Sea Surface." Mathematical Problems in Engineering 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/6201745.

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A new shooting and bouncing ray (SBR) simulator based on the hybrid scheme of GO/PO/SDFM/EEC method is developed for the accurate prediction of composite scattering from a low altitude target above the electrically very-large-scale sea surface. It can adequately deal with the complex local electromagnetic interactions between the target and the large scope sea surface. The method is compared with the exact computational electromagnetic solver FEKO-MLFMM to validate its accuracy and efficiency. Then, it is applied to simulate the bistatic and monostatic scattering characteristics of an airplane

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Zhao, Bo, and Tie Jun Cui. "Scattering Characteristics of Targets above a Rough Surface in SAR Images." International Journal of Antennas and Propagation 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/653438.

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The modeling, simulation, and analysis of target characteristics are essential to a synthetic aperture radar (SAR) image-based autotarget recognition (ATR) system. The coupling effect between targets and rough surface is also important to the electromagnetic scattering and remote sensing. In this work, the simulations to SAR images of targets above a finite rough surface have been investigated. The effect of rough surface on the target characteristics, or the coupling between the rough surface and targets, is analyzed in details by observing changes of locations and intensities of scattering c

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Buddendick, H., and T. F. Eibert. "Concept for accelerated ray-based monostatic RCS simulations using bistatic approximations." Advances in Radio Science 7 (May 18, 2009): 29–35. http://dx.doi.org/10.5194/ars-7-29-2009.

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Abstract. An approach enabling accelerated shooting and bouncing rays (SBR) simulations to determine the backscattering properties of electrically large and complex objects is presented. Instead of performing independent simulations for all required aspect angles, the concept is based on the idea of additionally exploiting bistatic information for some neighboring aspect angles. Therefore the results of the geometrical ray tracing, which consumes a large part of the computational resources in case of complex shaped objects can be reused multiple times with only low additional computational res

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Zhao, Hongmei, Qian Wang, and Kunfeng Shi. "Analysis on Human Blockage Path Loss and Shadow Fading in Millimeter-Wave Band." International Journal of Antennas and Propagation 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/7540202.

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Millimeter-wave (Mm-w) is the trend of communication development in the future; users who carry mobile communication equipment could be blocked by others in a crowded population environment. Based on Shooting and Bouncing Ray (SBR) method and setting up different orientation receivers (RX), population density, and people fabric property at 28 GHz and 38 GHz, simulating experimental scene similar to station square by Wireless Insite software, we use least square method to do linear-regression analysis for path loss and build path loss model. The result shows that the path loss index has a certa

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Li, Shuang-de, Yuan-jian Liu, Le-ke Lin, et al. "Channel Measurements and Modeling at 6 GHz in the Tunnel Environments for 5G Wireless Systems." International Journal of Antennas and Propagation 2017 (2017): 1–15. http://dx.doi.org/10.1155/2017/1513038.

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Propagation measurements of wireless channels performed in the tunnel environments at 6 GHz are presented in this paper. Propagation characteristics are simulated and analyzed based on the method of shooting and bouncing ray tracing/image (SBR/IM). A good agreement is achieved between the measured results and simulated results, so the correctness of SBR/IM method has been validated. The measured results and simulated results are analyzed in terms of path loss models, received power, root mean square (RMS) delay spread, Ricean K-factor, and angle of arrival (AOA). The omnidirectional path loss

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Kasdorf, Stephen, Blake Troksa, Jake Harmon, Cam Key, and Branislav Notaros. "Shooting-Bouncing-Rays Technique to Model Mine Tunnels: Algorithm Acceleration." Applied Computational Electromagnetics Society 35, no. 11 (2021): 1330–31. http://dx.doi.org/10.47037/2020.aces.j.351134.

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We present and discuss acceleration of a shooting and bouncing rays (SBR) algorithm for ray-tracing electromagnetic analysis of electrically very large structures such as underground mine tunnels at modern wireless communication frequencies. The acceleration is based on the parallelization of the SBR technique on NVIDIA GPUs using the OptiX application programming interface. The results show dramatic speedups of the parallel SBR algorithm compared with serial implementation.

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Dissertations / Theses on the topic "Shooting and Bouncing Ray (SBR) Method"

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Ozgun, Salim. "Computation Of Radar Cross Sections Of Complex Targets By Shooting And Bouncing Ray Method." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611087/index.pdf.

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In this study, a MATLAB&reg<br>code based on the Shooting and Bouncing Ray (SBR) algorithm is developed to compute the Radar Cross Section (RCS) of complex targets. SBR is based on ray tracing and combine Geometric Optics (GO) and Physical Optics (PO) approaches to compute the RCS of arbitrary scatterers. The presented algorithm is examined in two parts<br>the first part addresses a new aperture selection strategy named as &ldquo<br>conformal aperture&rdquo<br>, which is proposed and formulated to increase the performance of the code outside the specular regions, and the second part is devoted

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Hultin, Harald. "Investigation of Near-Field Contribution in SBR for Installed Antenna Performance." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-260077.

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To investigate near-eld contributions for installed antennas, an in-house code iswritten to incorporate near-eld terms in Shooting and Bouncing Rays (SBR). SBRis a method where rays are launched toward an object and scatter using GeometricalOptics (GO). These rays induce currents on the object, from which the totalscattered eld can be found.To gauge the eect of near-eld terms, the in-house code can be set to excludenear-eld terms. Due to this characteristic, the method is named SBR Includingor Excluding Near-eld Terms (SIENT). The SIENT implementation is thoroughlydescribed. To make SIENT more

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Manan, Waqas. "Propagation channel models for 5G mobile networks. Simulation and measurements of 5G propagation channel models for indoor and outdoor environments covering both LOS and NLOS Scenarios." Thesis, University of Bradford, 2018. http://hdl.handle.net/10454/17219.

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At present, the current 4G systems provide a universal platform for broadband mobile services; however, mobile traffic is still growing at an unprecedented rate and the need for more sophisticated broadband services is pushing the limits on current standards to provide even tighter integration between wireless technologies and higher speeds. This has led to the need for a new generation of mobile communications: the so-called 5G. Although 5G systems are not expected to penetrate the market until 2020, the evolution towards 5G is widely accepted to be the logical convergence of internet service

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Lai, Ying-Ju, and 賴穎儒. "Computation of SAR Echo Data for Complex Target by Shooting and Bouncing Ray Method." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/34dpp2.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>106<br>The method of obtaining the electric field scattering data of the target or the feature can use the numerical electromagnetic simulation technique, which includes the Finite-Difference Time-Domain (FDTD), the Method of Moments (MoM) and the Finite Element Method (FEM), but the above The method is more suitable for processing small size targets. Most of the techniques for processing large-size targets are based on Geometric Optics (GO) and Physical Optics approximation (PO). The SBR method that combines these two methods and considers multiple reflections beco

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Conference papers on the topic "Shooting and Bouncing Ray (SBR) Method"

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Marzougui, A. M., and S. J. Franke. "Scattering from rough surfaces using the 'shooting and bouncing rays' (SBR) technique and comparison with the method of moments solutions." In International Symposium on Antennas and Propagation Society, Merging Technologies for the 90's. IEEE, 1990. http://dx.doi.org/10.1109/aps.1990.115410.

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Yu, C. L., and S. W. Lee. "Radar cross section computation and visualization by shooting-and-bouncing ray (SBR) technique." In IEEE Antennas and Propagation Society International Symposium 1992 Digest. IEEE, 1992. http://dx.doi.org/10.1109/aps.1992.221753.

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Saeidi, Chiya, Farrokh Hodjatkashani, and Azim Fard. "New tube-based shooting and bouncing ray tracing method." In 2009 International Conference on Advanced Technologies for Communications (ATC). IEEE, 2009. http://dx.doi.org/10.1109/atc.2009.5349441.

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Gao, Wei, Zichang Liang, Jinpeng Fang, and Yi Liao. "Non-uniform triangulation technique in the shooting and bouncing ray method." In 2013 IEEE 5th International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE). IEEE, 2013. http://dx.doi.org/10.1109/mape.2013.6689883.

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Mei, Xiaowei, and Hai Lin. "An improved shooting and bouncing ray method for the radiation analysis." In 2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2016. http://dx.doi.org/10.1109/aps.2016.7696459.

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Shi, Dan, Xiaohe Tang, and Chu Wang. "The acceleration of the shooting and bouncing ray tracing method on GPUs." In 2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). IEEE, 2017. http://dx.doi.org/10.23919/ursigass.2017.8105251.

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Gao, Wei, Binghuai Li, and Yiwen Tang. "A comparative study on the exit aperture in shooting and bouncing ray method." In 2012 10th International Symposium on Antennas, Propagation & EM Theory (ISAPE - 2012). IEEE, 2012. http://dx.doi.org/10.1109/isape.2012.6409006.

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Shi, D., J. J. Bi, Z. L. Tan, and Y. G. Gao. "Site-specific wave propagation prediction with improved shooting and bouncing ray tracing method." In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). IEEE, 2015. http://dx.doi.org/10.1109/ursi-at-rasc.2015.7303040.

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Kipp, R. A., and M. C. Miller. "Shooting-and-bouncing ray method for 3D indoor wireless propagation in WLAN applications." In IEEE Antennas and Propagation Society Symposium, 2004. IEEE, 2004. http://dx.doi.org/10.1109/aps.2004.1330508.

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Wang, X. B., X. Y. Zhou, T. J. Cui, Y. B. Tao, and H. Lin. "High-Resolution Inverse Synthetic Aperture Radar Imaging Based on the Shooting and Bouncing Ray Method." In 2008 Global Symposium on Millimeter Waves (GSMM 2008). IEEE, 2008. http://dx.doi.org/10.1109/gsmm.2008.4534668.

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