Spacecraft Recovery & Remote Sensing, Volume. 46, Issue 2, 72(2025)

Design of the Line-of-Sight Direction of the Wide-Swath Coastal Zone Imager

Jun ZHENG1,2, Xiaomin ZHANG1,2, Huan LIU1,2, Chao WANG3, Yuze CAO3, Bei CHU1,2, Yiqiu ZHANG1,2, Yuyao WANG1,2, and Xiaohong ZHANG1,2
Author Affiliations
  • 1Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
  • 2Key Laboratory for Advanced Optical Remote Sensing Technology of Beijing, Beijing 100094, China
  • 3DFH Satellite Co. Ltd., Beijing 100094, China
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    Figures & Tables(14)
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    • Table 1. Statistical table for testing the angle control and measurement accuracy of pendulum mirror components

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      Table 1. Statistical table for testing the angle control and measurement accuracy of pendulum mirror components

      摆镜转动方向指令角度/(°)控制精度/(")编码器测量精度/(")摆镜转动方向指令角度/(°)控制精度/(")编码器测量精度/(")
      正向15.030−2.7000.604负向−15.030−0.648−3.292
      正向14.0406.912−0.394负向−14.0405.976−0.866
      正向13.050−0.864−0.549负向−13.050−3.672−1.580
      正向12.0603.816−0.685负向−12.0601.620−1.259
      正向11.0706.300−0.622负向−11.0700.3240.123
      正向10.0800.7921.027负向−10.0802.340−2.755
      正向 9.090−9.7560.032负向−9.090−4.896−0.825
      正向8.100−4.716−1.753负向−8.100−3.312−0.503
      正向7.110−0.4320.342负向−7.110−0.720−0.024
      正向6.1204.932−0.964负向−6.1205.2200.174
      正向5.130−2.0162.335负向−5.130−8.712−1.503
      正向4.1401.584−0.271负向−4.140−1.152−1.848
      正向3.1503.708−0.877负向−3.1503.888−0.079
      正向2.1602.8440.163负向−2.1609.576−0.057
      正向1.170−4.6441.841负向−1.170−1.620−0.542
      正向0.1800.8281.338负向−0.180−7.056−0.366
    • Table 2. Statistics of telemetry angles after executing negative angle commands for the on-orbit pendulum mirror

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      Table 2. Statistics of telemetry angles after executing negative angle commands for the on-orbit pendulum mirror

      测试序号负向角度指令/(°)在轨遥测角度/(°)遥测与指令偏差角度/(″)
      110.44010.439770.82128
      210.53010.530070.23712
      311.07011.070933.34315
      411.61011.609372.27981
      512.60012.599123.15148
      613.45513.456625.82191
      713.81513.814362.30410
      813.99513.995461.66665
      914.04014.041555.59476
      1014.26514.265702.52444
    • Table 3. Statistics of telemetry angles after executing the positive angle command for the on-orbit pendulum mirror

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      Table 3. Statistics of telemetry angles after executing the positive angle command for the on-orbit pendulum mirror

      测试序号正向角度指令/(°)在轨遥测角度/(°)遥测与指令偏差角度/(″)
      110.44010.439810.66679
      210.53010.530411.47309
      311.11511.115802.86813
      411.56511.563435.66718
      512.73512.734780.79139
      613.41013.408923.89977
      713.68013.679581.49703
      813.90513.904053.40863
      913.99513.996113.98409
      1014.26514.265311.13398
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    Jun ZHENG, Xiaomin ZHANG, Huan LIU, Chao WANG, Yuze CAO, Bei CHU, Yiqiu ZHANG, Yuyao WANG, Xiaohong ZHANG. Design of the Line-of-Sight Direction of the Wide-Swath Coastal Zone Imager[J]. Spacecraft Recovery & Remote Sensing, 2025, 46(2): 72

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    Paper Information

    Category: Remote Sensing System Design Technology

    Received: Oct. 29, 2024

    Accepted: --

    Published Online: May. 23, 2025

    The Author Email:

    DOI:10.3969/j.issn.1009-8518.2025.02.007

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