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Effects of the Method of FTSs on the Performance of HPAs  

Kang, Sanggee (군산대학교 정보통신공학과 무선기술연구실)
Publication Information
Journal of Satellite, Information and Communications / v.8, no.1, 2013 , pp. 8-13 More about this Journal
Abstract
It is necessary to develop the next generation FTS which is suitable for our environment and effectively operates many launch vehicles. Standard tone, Secure tone, MHA, EFTS and DSSS are studied for the next generation FTS. FTS requires a high quality of performance and reliability because of their specific mission. And few FTSs are needed but the price is very expensive. Therefore we must investigate a part of the FTS whether the part can be reused for a part of the next FTS. In this paper, we use CCDF of the transmitted signal from FTS as the method to study a possibility of reusing HPA used in the present system. The simulation results show that PEP of Standard tone is 0.21dB and Secure tone and MHA has the same PEP. CPFSK's PEP is 1.81dB and PEP of DSSS using BPSK modulation is 2.6dB.
Keywords
FTS(Flight Termination System); HPA; Standard tone; Secure tone; MHA(Modified High Alphabet); EFTS(Enhanced FTS); CCDF(Complementary Cumulative Distribution Function);
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  • Reference
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