强激光与粒子束, 2010, 22 (11): 2763, 网络出版: 2010-12-07
基于原始波形测量的脉冲电场探测器
Pulsed electric field sensor based on original waveform measurement
脉冲电场 测量系统 原始波形测量 高空电磁脉冲 pulsed electric field measurement system original waveform measurement high-altitude electromagnetic pulse
摘要
介绍了脉冲电场微分测量和原始波形测量的基本原理, 设计研制了一系列不同灵敏度的脉冲电场原始波形测量系统, 分析了脉冲电场探测器的理论修正模型。该测量系统主要包括天线模块、积分器模块、放大和驱动模块以及光电传输模块, 利用同轴型TEM小室对测量系统进行了时域标定。结果表明: 测量系统的前沿响应时间小于1.0 ns, 系统输出脉冲平顶在10.0 μs内下降不超过5%, 测量系统输出幅度与电场强度在20 dB的动态范围内呈线性关系, 该系列探测器可以用来测量最小10 V/m、最大100 kV/m的电场强度, 满足高空电磁脉冲标准环境的测量要求。
Abstract
The paper introduces the differential and original waveform measurement principles for pulsed E-field, and develops an pulsed E-field sensor based on original waveform measurement along with its theor etical correction model. The sensor consists of antenna, integrator, amplifier and driver, optic-electric/electric-optic conversion module and transmission module. The time-domain calibration in TEM cell indicates that, its risetime response is shorter than 1.0 ns, and the output pulse width at 90% of the maximum amplitude is wider than 10.0 μs. The output amplitude of the sensor is linear to the electric field intensity in a dynamic range of 20 dB. The measurement capability can be extended to 10 V/m or 50 kV/m by changing the system’s antenna and other relative modules.
马良, 吴伟, 程引会, 周辉, 李宝忠, 李进玺, 朱梦. 基于原始波形测量的脉冲电场探测器[J]. 强激光与粒子束, 2010, 22(11): 2763. Ma Liang, Wu Wei, Cheng Yinhui, Zhou Hui, Li Baozhong, Li Jinxi, Zhu Meng. Pulsed electric field sensor based on original waveform measurement[J]. High Power Laser and Particle Beams, 2010, 22(11): 2763.