Calibration method of B-dot sensors based on OE model

Wang Ke; Duan Yantao; Li Yanxin; Li Shaolei

doi:10.11884/HPLPB201931.190244

Volume 31 Issue 10

Oct. 2019

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Wang Ke, Duan Yantao, Li Yanxin, et al. Calibration method of B-dot sensors based on OE model[J]. High Power Laser and Particle Beams, 2019, 31: 103214. doi: 10.11884/HPLPB201931.190244

Citation:

Wang Ke, Duan Yantao, Li Yanxin, et al. Calibration method of B-dot sensors based on OE model[J]. High Power Laser and Particle Beams, 2019, 31: 103214. doi: 10.11884/HPLPB201931.190244

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Calibration method of B-dot sensors based on OE model

doi: 10.11884/HPLPB201931.190244

National Key Laboratory on Electromagnetic Environment Effects and Electro-Optical Engineering, Army Engineering University of PLA, Nanjing 210007, China

Received Date: 2019-07-01
Rev Recd Date: 2019-08-12
Publish Date: 2019-10-15

Abstract

Abstract

B-dot sensors are widely used in electromagnetic pulse(EMP)measurements due to their wide frequency band, small size, and good stability.There is a difference between any theoretical model and the actual situation, thus the B-dot sensor must be calibrated under the laboratory environment.Aiming at the shortcomings of traditional time-domain calibration methods, this paper proposes a frequency-domain calibration method based on OE model.The method uses the OE model transfer function of single input and single output to characterize the frequency response characteristics of the B-dot sensor, and then obtains the sensitivity coefficient of the frequency range in which the sensor actually works by partial linear regression.According to verification experiment, it can be determined that this method can effectively avoid the influence on calibration accuracy of overshoot or ringing caused by impedance mutation.
- electromagnetic pulse,
- B-dot sensor,
- magnetic field,
- frequency-domain calibration,
- OE model,
- system identification

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References(14)

References

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