نتایج جستجو برای: nadir point

تعداد نتایج: 529241  

Journal: :iranian journal of radiation research 0
h.j. kim department of radiation oncology, inha university hospital, inha university of medicine, inchon, korea j.h. phak department of radiation oncology, inha university hospital, inha university of medicine, inchon, korea w.ch. kim department of radiation oncology, inha university hospital, inha university of medicine, inchon, korea

background: stereotactic body radiotherapy (sbrt) has emerged as an effective treatment for localized prostate cancer. however, prostate-specific antigen (psa) kinetics after sbrt has not been well characterized. the objective of the current study is to analyze the rate of psa decline and psa nadir following hypofractonated sbrt in localized prostate cancer. materials and methods: from 2008 to ...

2008
F. Prandi C. Achille R. Brumana F. Fassi L. Fregonese

The territorial data acquisition technologies vary second of the final product scale use. So it can be passed that the classical topographical survey or terrestrial laser scanners survey for engineering works, up to the satellite images multispectral analysis for regional scale and over.The classical aerial photogrammetry and LiDAR have a territory nadir (straight-down) vision, however, in many...

2017
Dejian Yang Moses Kang Eduard Muljadi Wenzhong Gao Junhee Hong Jaeseok Choi Yong Cheol Kang

This paper proposes a short-term frequency-response scheme of a doubly-fed induction generator (DFIG)-based wind turbine generator (WTG) for improving rotor speed recovery and frequency nadir. In the energy-releasing period, to improve the frequency nadir and rotor speed convergence by releasing a large amount of kinetic energy stored in the rotating masses in a DFIG-based WTG, the power refere...

Journal: :ISPRS Int. J. Geo-Information 2017
Giuseppina Vacca Andrea Dessì Alessandro Sacco

This paper focuses on the processing and study of 3D models obtained from images captured by an unmanned aerial vehicle (UAV). In particular, we wanted to study the accuracy gains achieved in the surveying and the measurement, such as height, area, and volume, of the dimensions of the buildings in the 3D models obtained with both nadir and oblique UAV flights. These latter types of flights are ...

2015
Huazhong Ren Guangjian Yan Rongyuan Liu Zhao-Liang Li Qiming Qin Françoise Nerry Qiang Liu

Multi-angular observation of land surface thermal radiation is considered to be a promising method of performing the angular normalization of land surface temperature (LST) retrieved from remote sensing data. This paper focuses on an investigation of the minimum requirements of viewing angles to perform such normalizations on LST. The normally kernel-driven bi-directional reflectance distributi...

2011
Nadir Matringe Nadir MATRINGE

Let F be a p-adic field, and Gn one of the groups GL(n, F ), GSO(2n−1, F ), GSp(2n, F ), or GSO(2(n − 1), F ). Using the mirabolic subgroup or analogues of it, and related “derivative” functors, we give an asymptotic expansion of functions in the Whittaker model of generic representations of Gn, with respect to a minimal set of characters of subgroups of the maximal torus. Denoting by Zn the ce...

2013
Mark R. Krebs

ORBCOMM is a LEO communications spacecraft, providing global point to point packet messaging. Two are in operation now, and the rest of the (eventually 36) constellation design spacecraft are currently in integration and test. The ORBCOMM ACS mission is to point a communications antenna to nadir, while maintaining continuous Sun tracking via spacecraft yaw maneuvers. This mission is achieved us...

Journal: :The American journal of cardiology 2008
Doron Aronson Eldad J Dann Lilach Bonstein Miry Blich Michael Kapeliovich Rafael Beyar Walter Markiewicz Haim Hammerman

Divergent views remain regarding the safety of treating anemia with red blood cell (RBC) transfusion in patients with acute coronary syndrome (ACS). We used a prospective database to study effect of RBC transfusion in patients with acute myocardial infarction (MI; n = 2,358). Cox regression models were used to determine the association between RBC transfusion and 6-month outcomes, incorporating...

Journal: :Revista Visuais 2018

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