• NUCLEAR TECHNIQUES
  • Vol. 47, Issue 11, 110202 (2024)
Yiming XU, Chengcheng XIAO*, and Wencheng FANG*
Author Affiliations
  • Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
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    DOI: 10.11889/j.0253-3219.2024.hjs.47.110202 Cite this Article
    Yiming XU, Chengcheng XIAO, Wencheng FANG. Design and test of multi-variable estimation-based calibration for vector modulator[J]. NUCLEAR TECHNIQUES, 2024, 47(11): 110202 Copy Citation Text show less
    Block diagram of ideal vector modulator
    Fig. 1. Block diagram of ideal vector modulator
    Black diagram of non-ideal vector modulator model
    Fig. 2. Black diagram of non-ideal vector modulator model
    Mapping relationship between the input and output of non-ideal VM (color online)
    Fig. 3. Mapping relationship between the input and output of non-ideal VM (color online)
    Logical architecture of RF experimental setup (a), and snapshots of digital board (b), analog board (c), and CPCI-based LLRF (d)
    Fig. 4. Logical architecture of RF experimental setup (a), and snapshots of digital board (b), analog board (c), and CPCI-based LLRF (d)
    Screenshot of OPI
    Fig. 5. Screenshot of OPI
    VM output track before and after calibration (color online)
    Fig. 6. VM output track before and after calibration (color online)
    Variation of the VM output amplitude with the setting phase before and after calibration (a), VM output amplitude after calibration and white noise (b), error between VM output phase and setting phase (c)
    Fig. 7. Variation of the VM output amplitude with the setting phase before and after calibration (a), VM output amplitude after calibration and white noise (b), error between VM output phase and setting phase (c)
    Yiming XU, Chengcheng XIAO, Wencheng FANG. Design and test of multi-variable estimation-based calibration for vector modulator[J]. NUCLEAR TECHNIQUES, 2024, 47(11): 110202
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