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Spaceborne SAR HLA-based distributed simulation technology research

Author: WangMingYu
Tutor: ShenXiaoFeng
School: University of Electronic Science and Technology
Course: Access to information and detection technology
Keywords: Spaceborne SAR HLA Distributed Simulation Multithreading
CLC: TN955
Type: Master's thesis
Year: 2008
Downloads: 100
Quote: 1
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Abstract


Spaceborne Synthetic Aperture Radar (Spaceborne Synthetic Aperture Radar) has a wide range of applications in both military and civilian fields , its study has important practical significance . This article uses computer simulation for complex spaceborne SAR systems research has opened up a shortcut and spaceborne SAR simulation platform through advanced computer simulation technology , you can create , provide an effective means for the development and performance assessment of spaceborne SAR . Distributed simulation system based on high level architecture (HLA: High Level Architecture) has good interoperability , reusability and scalability , on the basis of in-depth study of spaceborne SAR works , HLA-based technology star reasonable distribution of airborne SAR system into different members and standardized data interaction between members , real simulated spaceborne SAR systems . Starting from the theoretical research , the main line of the software development process , a detailed introduction to the development of a simulation system model and key members of the design , the main contents are as follows : First, the distance and spaceborne SAR SAR imaging principle - Doppler imaging algorithms , analysis of the calculation of the state of motion of the satellite platform , HLA architecture and federal development process , and provide the design basis for the development of the simulation system . Second , based on the idea of a layered design of object-oriented design (Object-Oriented Design) developed a the spaceborne SAR distributed simulation system of satellite platform , data collation and federal members of the signal processing . Three distance migration correction and azimuth compression algorithm to solve the multi-threaded programs for multicore processors to improve the distance - Doppler algorithm simulation computational speed . Fourth, the members on the the spaceborne SAR distributed simulation system based on HLA platform , data reduction and signal processing algorithms and unit testing , and run the test throughout the spaceborne SAR distributed simulation system to verify the correctness of the system .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar system simulation
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