一种主字母体制安控指令检测采样优化方法
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摘要
针对工程实现中主字母体制安控系统的指令实时检测性能受采样方案影响较大的问题,通过对单音信号频率、检测采样频率和采样点数的合理选择,提出了一种指令检测的采样优化实现方案。仿真实验结果表明,通过对采样方案的优化,在固定多普勒频偏和可变多普勒频偏情况下,可以最低采样点数实现指令可靠检测,便于利用FPGA实现实时处理。
Instruction detection performance of the high alphabet safety control system was greatly affected by the sampling rate. Based on the selection of tone signal frequency, sampling frequency and the number of sampling points, a sampling optimization and implementation scheme was presented. Simulation results show that reliable detection result can be achieved using minimum sampling points with fixed and variable Doppler frequency offset, and it is convenient for real time processing using FPGA.
Instruction detection performance of the high alphabet safety control system was greatly affected by the sampling rate. Based on the selection of tone signal frequency, sampling frequency and the number of sampling points, a sampling optimization and implementation scheme was presented. Simulation results show that reliable detection result can be achieved using minimum sampling points with fixed and variable Doppler frequency offset, and it is convenient for real time processing using FPGA.
引文
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[2]宋扬,霍建华,孙伟.舰基遥测综合解调控制系统设计[J].计算机测量与控制,2017,25(11):99-102.SONG YANG,HUO JIANHUA,SUN WEI.Design of ship-based telemetry integrated demodulation control system[J].Computer Measurement&Control,2017,25(11):99-102.(in Chinese)
[3]倪春雷,邹铁军.基于主字母技术的导弹安全控制指令调制体制的研究[J].战术导弹技术,2005(6):56-60.NI CHUNLEI,ZOU TIEJUN.Research on the modu lation system of missile safety control commands based on high alphabet technology[J].Tactical Missile Technolog,2005(6):56-60.(in Chinese)
[4]陶德桂,刘关心.基于北斗短报文通信的无人机安控系统[J].电光与控制,2018,25(6):98-101.TAO DEGUI,LIU GUANXIN.UAV safety control system based on beidou short-message communication[J].Electronics Optics&Control,2018,25(6):98-101.(in Chinese)
[5]袁静,胡昌华,徐瑞,等.基于改进BDD算法的导弹安控系统故障树仿真分析[J].系统仿真学报,2007,19(1):9-12YUAN JING,HU CHANGHUA,XU RUI,et al.Fault tree simulation analysis of missile safety control system based on improved BDD algorithm[J].Journal of System Simulation,2007,19(1):9-12.(in Chinese)
[6]王刚,丁军辉,梁明.靶弹安控系统的舵机故障诊断程序设计[J].战术导弹技术,2011(1):105-108.WANG GANG,DING JUNHUI,LIANG MING.Program design for actuator fault diagnosis used in security control system of target missile[J].Tactical Missile Technolog,2011(1):105-108.(in Chinese)
[7]周志久.无人机飞行控制仿真系统研究[J].航天控制,2010,28(1):64-69.HOU ZHIJIU,WEI MINFEN.Research on flight control simulation system of UAV[J].Aerospace Control,2010,28(1):64-69.(in Chinese)
[8]吴岭.新型主字母安控体制原理研究与性能分析[J].宇航学报,2007,28(6):1728-1731.WU LING.The principle study and performance analysis of a new safety telecomm and system based on high alphabet[J].Journal of Astronautics,2007,28(6):1728-1731.(in Chinese)
[9]左增宏.主字母体制原理及其在航天测控中的应用[J].遥测遥控,2008,29(1):9-13.ZUO ZENGHONG.High alphabet system basis and its implemention in range safety systems[J].Journal of Telemetry,Tracking and Command,2008,29(1):9-13.(in Chinese)
[10]岳新宇张润生.一种新的单音快速识别算法[J].无线电通信技术,2016,42(3):52-54.YUE XINYU,ZHANG RUNSHENG.A new and fast recognition algorithm for single tone[J].Radio Communications Technology,2016,42(3):52-54.(in Chinese)
[11]徐杨.调制系数在主字母体制中对误码率的影响[J].专题技术与工程应用,2012,42(9):54-56.XU YANG.BER affected by modulation index in high alphabet system[J].Radio Engineering,2012,42(9):54-56.(in Chinese)
[12]左增宏刘胜利,高京龙,等.主字母体制符号同步方法研究[J].无线电工程,2007,37(5):26-29.ZUO ZENGHONG,LIU SHENGLI,GAO JINGLONG,et al.Symbol synchronization methods for high alphabet systems[J].Radio Engineering,2007,37(5):26-29.(in Chinese)
[13]孙雪峰,王志有,宋锐,等.新型航天遥测信号调制解调技术[J].测试技术学报学报,2016,30(1):34-39.SUN XUEFENG,WANG ZHIYOU,SONG RUI,et al.New modulation and demodulation techniques of spacecraft telemetry signal[J].Journal of Test and Measurement Technology,2016,30(1):34-39.(in Chinese)
[14]章生平,郭晶晶,叶晖,等.自适应遥测信道速率的分包遥测调度方案[J].飞行器测控学报,2016,35(4):316-322.ZHANG SHENGPING,GUO JINGJING,YE HUI,et al.A packet telemetry scheduling method with an adaptive telemetry channel rate[J].Journal of Spacecraft TT&CTechnology,2016,35(4):316-322.(in Chinese)
[15]徐杨.预加重技术在主字母体制中的应用[J].飞行器测控学报,2013,32(1):66-69.XU YANG.Implementation of pre-emphasis in high alphabet systems[J].Journal of Spacecraft TT&C Technology,2013,32(1):66-69.(in Chinese)
[16]成亚勇.系统非线性对主字母安控性能影响分析[J].飞行器测控学报,2016,35(2):106-111.CHENG YAYONG.Imact of system nonlinearity on performance of high alphabet safety telecommand[J].Journal of Space Craft TT&C Technology,2016,35(2):106-111.(in Chinese)
[17]李亮.基于Simulink的软件无线电硬件协同仿真技术[D].成都:电子科技大学,2013.LI LIANG.Simulink-based software radio hardware cosimulation technology[D].Chengdu:University of Electronic Science and Technology of China,2013.(in Chinese)