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    					| Space-based Radar System Analysis Based on Large Scale Sparse Array | 
  					 
  					  										
						| PAN Jie①②    LI Daojing①    ZHOU Jianwei①②    LU Xiaochun③ | 
					 
															
						①(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China) 
②(University of Chinese Academy of Sciences, Beijing 100049, China) 
③(National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China) | 
					 
										
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													     		                            						                            																	    Abstract   Space-Based Radar (SBR) can realize moving target detection and the high resolution imaging on a global scale. Based on large scale sparse array antenna, this paper discusses the space-based radar technology system and key technology. The system parameters are designed and its performance is analyzed for an X band MEO space-based radar. The large scale sparse array antenna provides a new selection for space-based radar. 
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															    																	Received: 27 June 2016
																	    
															    															    															    																	Published: 02 December 2016
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																Corresponding Authors:
																PAN Jie   
																																 E-mail: panj@mail.ie.ac.cn
															    													     		
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