Youyou Xi, Jianhua Hao, Naiping Cheng, et al. Analysis of the Indicators Based on the DS/FH TT&C System[J]. Telecommunications science, 2013, 29(2): 58-63.
DOI:
Youyou Xi, Jianhua Hao, Naiping Cheng, et al. Analysis of the Indicators Based on the DS/FH TT&C System[J]. Telecommunications science, 2013, 29(2): 58-63. DOI: 10.3969/j.issn.1000-0801.2013.02.010.
Analysis of the Indicators Based on the DS/FH TT&C System
In order to solve the unprecedented issues during the TT&C system running,two fresh indicators named the stability of the hopping pattern and the stability of frequency hopping gain were presented. The indicators can improve the test system of TT&C. The novelty and importance in testing of TT&C were analyzed;the meaning of the indicators from both qualitative and quantitative aspects was defined;the test method of the indicators was provided,and a new algorithm used to correct the test error about the stability of the hopping pattern was proposed. At 1ast,a variety of visualization technologies were studied. The analysis and simulation results show that the indicators can describe the phenomenon effectively in the system,the methods can accurately complete the test and the visualization scheme can show the test results from different visions.
关键词
Keywords
references
于志坚 . 航天测控系统工程 . 北京 : 国防工业出版社 , 2008
Geraniotis E A . Coherent hybrid DS-SFH spread-spectrum multiple-access communications . IEEE Journa1 on Selected Areas in Communications , 1985 , SAC-3 ( 5 ): 695 ~ 705
Hi11 D A , Felstead E B . Laboratory performance of spread spectrum detectors . IEEE Proceedings Communications , 1995 , 142 ( 4 ): 243 ~ 249
Phoe1 W G . Iterative demodulation and decoding of frequencyhopped PSK in partia1-band jamming . IEEE Journa1 on Selected Areas in Communications , 2005 , 23 ( 5 ): 1026 ~ 1033
Shui P L , Shang H Y , Zhao Y B ,. Instantaneous frequency estimation based on directiona11y smoothed pseudo-Wigner-Vi11e distribution bank . IET Radar Sonar and Navigation , 2007 , 1 ( 4 ): 317 ~ 325
Ivanovic V N , Jovanovski S . Signa1 adaptive system for timefrequency analysis . Electronics Letters , 2008 , 44 ( 21 ): 1279 ~ 1280
Shui P L , Bao Z , Su H T . Nonparametric detection of FM signals using time-frequency ridge energy . IEEE Transactions on Signa1 Processing , 2008 , 56 ( 5 ): 1749 ~ 1760
Varzakas P , Tombras G S . Spectra1 efficiency for a hybrid DS/FH code-division multiple-access system in ce11ular mobile radio . IEEE Transactions on Vehicular Technology , 2001 , 50 ( 6 ): 1321 ~ 1327
Liu X , Sidiropoulos N D , Swami A . Joint hop timing and frequency estimation for co11ision resolution in FH networks . IEEE Transactions on Wireless Communicationsy , 2005 , 4 ( 6 ): 3063 ~ 3074