数字光纤传输技术在电热炮参数测试中的应用
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摘要
电热化学炮工作时常伴随高压脉冲大电流放电,由此而产生的强电磁干扰对其瞬态参数的测试产生严重影响.文章提出采用数字光纤传输技术,应用高速光收发模块、复杂可编程逻辑阵列CPLD,设计了一种抗电磁干扰性强、采样频率高、传输速率快的数字式光纤传输测试系统.给出了某实验室采用光纤传输技术及屏蔽措施对电热化学炮膛压测试曲线,并与传统方法的膛压测试结果进行了比较.该方法可拓展应用到各种抗强电磁场干扰的参数测试场合.
The parameters measurement of electro-thermal chemical gun(ETCG) is seriously influenced by the strong electromagnetic interference(EMI) due to the large-current discharging of high-voltage pulse.The paper applied the digital fiber transmission technology,high-speed fiber-optic transmitting & receiving module and the complicated programmable logic device(CPLD) to design a digital fiber transmitting system with powerful anti-EMI capability and high transmitting rate.A chamber pressure curve of ETCG by combining the fiber transmission technology and the shield method was given and compared with the curve by the traditional measuring approach.The fiber transmission technology can be widely applied to the parameters measurement with strong EMI.
The parameters measurement of electro-thermal chemical gun(ETCG) is seriously influenced by the strong electromagnetic interference(EMI) due to the large-current discharging of high-voltage pulse.The paper applied the digital fiber transmission technology,high-speed fiber-optic transmitting & receiving module and the complicated programmable logic device(CPLD) to design a digital fiber transmitting system with powerful anti-EMI capability and high transmitting rate.A chamber pressure curve of ETCG by combining the fiber transmission technology and the shield method was given and compared with the curve by the traditional measuring approach.The fiber transmission technology can be widely applied to the parameters measurement with strong EMI.
引文
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[2]袁伟群,王争论,栗保明.等离子体发生器阴极电位浮动及其影响[J].南京理工大学学报,2005,29(3):337-340.Yuan Weiqun,Wang Zhenglun,Li Baoming.Fluctuation of plasma generator’s cathode potential and its effects[J].Journal of Nanjing University of Science and Technology,2005,29(3):337-340.(in Chinese)
[3]陈亮,缪栋.导弹控制系统的光纤传输技术研究[J].战术导弹技术,2006,5(3):81-84.Chen Liang,Miao Dong.Study of the technology of optical fiber transmission in missile control system[J].TacticalMissile Technology,2006,5(3):81-84.(in Chinese)
[4]丘元盛,邹卫东,霍梁,等.光纤传输在地震台信号传输中的应用[J].防灾技术高等专科学校学报,2006,8(2):79-81.Qiu Yuansheng,Zou Weidong,Huo Liang,et al.The application of optical fibertransmission in the signaltransmission of seismic stations[J].Journal of College of Disaster Prevention Techniques,2006,8(2):79-81.(inChinese)
[5]王海涛,张国强,张荣文.光纤传输在脱靶量测量系统中的应用[J].光通信技术,2007(2):49-51.Wang Haitao,Zhang Guoqiang,Zhang Rongwen.Application of optical fiber transmission in miss distance measuresystem[J].Optical Communication Technology,2007(2):49-51.(in Chinese)
[6]史萌萌,江海河.光纤在测量与控制系统中的应用[J].测控技术,2007,26(9):4-6.Shi Mengmeng,Jiang Haihe.Optical fiber applying to measuring and controlling systems[J].Measurement&Control Techniques,2007,26(9):4-6.(in Chinese)
[7]宋林丽.强电磁场干扰环境下瞬态信号光纤传输测试技术[D].太原:中北大学,2005.
[8]赵冬梅.抗强电磁干扰的光纤测试系统研究[D].太原:中北大学,2006.
[9]田慧,林庆华,栗保明.压电式压力传感器的光纤传输技术应用研究[J].传感器与微系统,2006,25(2):18-20.Tian Hui,Lin Qinghua,Li Baoming.Applied study on f iber-optic transmission of piezoelectric pressure sensor[J].Transducer and Microsystem Technologies,2006,25(2):18-20.(in Chinese)
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