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Research and Implement on Deep Space Tausworthe Code Ranging

Author: GaoYang
Tutor: YaoXiuJuan
School: Graduate School, Chinese Academy of Sciences
Course: Applied Computer Technology
Keywords: Deep space Space TT \u0026 C Answering machine Pseudo - code ranging Tausworthe code Code Acquisition Software Defined Radio FPGA
CLC: V556
Type: Master's thesis
Year: 2011
Downloads: 39
Quote: 0
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Abstract


Deep space exploration is an important way for human beings to carry out the development and utilization of space resources , space science and technology innovation . Normal operation in the process of detection to the field of deep space , deep space monitoring and control system is an important guarantee for the success of the entire deep space exploration missions . Star on the answering machine as cooperation monitoring and control objectives , complete the measurement and control of the spacecraft with the ground-based monitoring stations , to enhance the perception of the ground segment of the field of deep space , has played an important role . Deep space ranging code is a key link in deep space answering machine ranging performance , relating to precise measurement, monitoring and control real-time performance . The current USB ranging can not meet the requirements , a new generation of digital answering machine and Tausworthe code is the focus of current research and direction . Apply abroad Tausworthe code answering machine the actual model Bepicolombo ( launched in 2014 to probe Mercury ), domestic in principle analysis and prototype development stage is no practical application of research results . The topic for the domestic and international trends and the actual task requirements , the following items : 1 ) Tausworthe code principle ; 2 ) minimizing the capture time system analysis and analysis of the system performance requirements of the pseudo- code ; 3 ) Tausworthe code performance capture probability , capture time , forming a square wave and half-sine molding simulation , etc.; 4) FPGA - based platform the deep space Tausworthe code ranging system function ; 5) deep space Tausworthe code ranging system function verification; 6) the practical application of deep space Tausworthe code ranging system . Through the study of the subject , the following research : 1) IF digital processing portion of the the deep space Tausworthe code ranging system principle prototype ; 2) in the laboratory , measured over the ranging accuracy can reach decimeter ; 3 The ) the digital IF Tausworthe code ranging processing prototype is the first of its kind in the country .

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Ground equipment, test site, launch sites, space base > Ground-based measurement and control system
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