Interferometric ISAR imaging for RCS and three-dimensional target characteristics measurements

2009 ◽  
Author(s):  
Weidong Hu ◽  
Cheng Li ◽  
Houjun Sun ◽  
Xin Lv
Keyword(s):  
Three Dimensional ◽  
Isar Imaging ◽  
Target Characteristics

Numerical Simulation of the Kinetic Energy Projectile Oblique Penetration into the Concrete

2014 ◽  
Vol 989-994 ◽  
pp. 982-985
Author(s):  
Jun Chen ◽  
Xiao Jun Ye
Keyword(s):  
Numerical Simulation ◽  
Finite Element ◽  
Kinetic Energy ◽  
Three Dimensional ◽  
Test Results ◽  
Destruction Process ◽  
3D Finite Element ◽  
Finite Element Software ◽  
Simulation Results ◽  
Target Characteristics

ANSYS-LS/DYNA 3D finite element software projectile penetrating concrete target three-dimensional numerical simulation , has been the target characteristics and destroy ballistic missile trajectory , velocity and acceleration and analyze penetration and the time between relationship , compared with the test results , the phenomenon is consistent with the simulation results. The results show that : the destruction process finite element software can better demonstrate concrete tests revealed the phenomenon can not be observed , estimated penetration depth and direction of the oblique penetration missile deflection .

Three-dimensional aircraft isar imaging based on shipborne radar

2016 ◽  
Vol 52 (5) ◽  
pp. 2504-2518 ◽  
Author(s):  
Yicheng Jiang ◽  
Sibo Sun ◽  
Yeshu Yuan ◽  
Tat Soon Yeo
Keyword(s):  
Three Dimensional ◽  
Isar Imaging

Influence Strategies in Buying Centers

1995 ◽  
Vol 59 (4) ◽  
pp. 71-82 ◽  
Author(s):  
R. Venkatesh ◽  
Ajay K. Kohli ◽  
Gerald Zaltman
Keyword(s):  
Information Exchange ◽  
Relative Effectiveness ◽  
Three Dimensional ◽  
Purchasing Decisions ◽  
Influence Strategies ◽  
Influence Strategy ◽  
Target Characteristics

Research on influence strategies has typically been conducted in interorganizational settings. In a departure from this tradition, the authors focus on influence strategies used by managers in buying centers. They develop a three-dimensional framework for classifying six prominent influence strategies—threats, promises, recommendations, requests, legalistic pleas, and information exchange. Drawing on this framework, the authors argue that the use of a particular influence strategy by a manager is likely to be related to two classes of antecedents: source and target characteristics. Additionally, they draw on the framework to argue that the effectiveness of alternative influence strategies is likely to vary in predictable ways. The authors investigate the pervasiveness of each of the six influence strategies in a study of 187 purchasing decisions and compare the findings to those previously obtained in interorganizational settings. Findings pertaining to the study's hypotheses provide insights into the relative effectiveness of the six influence strategies and the conditions under which certain influence strategies are more likely to be used.

Three-dimensional ISAR imaging of maneuvering targets using three receivers

2001 ◽  
Vol 10 (3) ◽  
pp. 436-447 ◽  
Author(s):  
Genyuan Wang ◽  
Xiang-Gen Xia ◽  
V.C. Chen
Keyword(s):  
Three Dimensional ◽  
Maneuvering Targets ◽  
Isar Imaging

Three-dimensional ISAR imaging using high resolution range profiles

2013 ◽  
Author(s):  
Huipeng Zhao ◽  
Yingjie Zhang ◽  
Meiguo Gao ◽  
Xiongjun Fu
Keyword(s):  
High Resolution ◽  
Three Dimensional ◽  
Isar Imaging

scholarly journals Squint Model InISAR Imaging Method Based on Reference Interferometric Phase Construction and Coordinate Transformation

2021 ◽  
Vol 13 (11) ◽  
pp. 2224
Author(s):  
Yu Li ◽  
Yunhua Zhang ◽  
Xiao Dong
Keyword(s):  
Coordinate Transformation ◽  
Cross Correlation ◽  
Three Dimensional ◽  
Image Distortion ◽  
Imaging Method ◽  
Phase Ambiguity ◽  
Correlation Algorithm ◽  
Interferometric Phase ◽  
Isar Imaging

The imaging quality of InISAR under squint geometry can be greatly degraded due to the serious interferometric phase ambiguity (InPhaA) and thus result in image distortion problems. Aiming to solve these problems, a three-dimensional InISAR (3D ISAR) imaging method based on reference InPhas construction and coordinate transformation is presented in this paper. First, the target’s 3D coarse location is obtained by the cross-correlation algorithm, and a relatively stronger scatterer is taken as the reference scatterer to construct the reference interferometric phases (InPhas) so as to remove the InPhaA and restore the real InPhas. The selected scatterer needs not to be exactly in the center of the coarsely located target. Then, the image distortion is corrected by coordinate transformation, and finally the 3D coordinates of the target can be accurately estimated. Both simulation and practical experiment results validate the effectiveness of the method.

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