• High Power Laser and Particle Beams
  • Vol. 33, Issue 12, 123023 (2021)
Longquan Zhong1、2, Yu Miao3、*, Gang Zhao1、2, Jiangchuan Lin1、2, Jian Sun3, Hao Wu3, Feng Qin1、2, Zhiyang Yan1、2, Zhong Liu1、2, Yi Ge1、2, and Ying Zhang3
Author Affiliations
  • 1Complicated Electromagnetic Environment Laboratory of CAEP, Mianyang 621900, China
  • 2Science and Technology on High Power Microwave Laboratory, Institute of Applied Electronics. CAEP, Mianyang 621900, China
  • 3Unit 96901 of PLA, Beijing 100094, China
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    DOI: 10.11884/HPLPB202133.210224 Cite this Article
    Longquan Zhong, Yu Miao, Gang Zhao, Jiangchuan Lin, Jian Sun, Hao Wu, Feng Qin, Zhiyang Yan, Zhong Liu, Yi Ge, Ying Zhang. Evaluation of measurement uncertainty about power density for high power microwave effects test[J]. High Power Laser and Particle Beams, 2021, 33(12): 123023 Copy Citation Text show less
    Setup diagram of measurement system for power density
    Fig. 1. Setup diagram of measurement system for power density
    Fish bone diagram of input quantities for power density measurement uncertainty
    Fig. 2. Fish bone diagram of input quantities for power density measurement uncertainty
    Measurement evaluation layout for quantity of influence of test environment
    Fig. 3. Measurement evaluation layout for quantity of influence of test environment
    Measurement evaluation layout for quantity of location deviation
    Fig. 4. Measurement evaluation layout for quantity of location deviation
    uncertainty quantitydistributionk-value sensitivity coefficientrelative standard uncertainty/dBrelative standard uncertainty/%
    detection power ${P_{ {\text{det} } } }$triangular$ \sqrt{6} $10.4610.58
    link attenuation $ {A'} $normal211.2027.60
    receiving gain $ {G_{\text{r}}} $rectangular$ \sqrt{3} $−10.8719.92
    location deviation $ {A_{\text{l}}} $rectangular$ \sqrt{3} $10.143.31
    frequency drift $ f $rectangular$ \sqrt{3} $20.061.41
    aiming deflection $ {A_{\text{d}}} $rectangular$ \sqrt{3} $10.143.31
    polarization mismatch ${A_{\text{P}}}$rectangular$ \sqrt{3} $10.153.54
    connection mismatch $ {A_{\text{c}}} $arc sine$ \sqrt{2} $10.214.83
    influence of test environment $ {A_{{\text{te}}}} $rectangular$ \sqrt{3} $11.2228.06
    repeatability $ {C_{\text{r}}} $normal210.132.89
    Table 1. Type B evaluation parameters of measurement uncertainty about power density for high power microwave effects test
    frequency range/GHzΔL/cm L/cm
    <25.00±30.0
    2~42.50±15.0
    4~81.25±7.5
    >81.00±6.0
    Table 2. Recommended values of maximal step and minimal total length for field VSWR test
    Longquan Zhong, Yu Miao, Gang Zhao, Jiangchuan Lin, Jian Sun, Hao Wu, Feng Qin, Zhiyang Yan, Zhong Liu, Yi Ge, Ying Zhang. Evaluation of measurement uncertainty about power density for high power microwave effects test[J]. High Power Laser and Particle Beams, 2021, 33(12): 123023
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