Infrared and Laser Engineering, Volume. 50, Issue 10, 20200473(2021)
Precise control of laser emission epoch in laser time transfer with high repetition rate
Figures & Tables(7)
Fig. 1. Schematic diagram of satellite-ground LTT in China’s space mission
Fig. 3. Schematic diagram of precision control of laser emission epoch in LTT with high repetition rate
Fig. 4. Block diagram of laser firing signal output in LTT with high repetition rate
Fig. 5. Simulation experiment diagram of ground laser firing signal hardware implementation
Fig. 6. Verification accuracy of laser firing signal hardware control
Table 1. Verification results of laser firing signal hardware control
View tableView in ArticleTable 1. Verification results of laser firing signal hardware control
Points Onboard fixed gate epoch/s Actual laser firing epoch/s Theoretical laser firing epoch/s Difference between theory and practice/s 1 83287.045500132241 83287.040934554286 83287.040934643926 0.000000089640 2 83287.046000132206 83287.041434564147 83287.041434654893 0.000000090746 3 83287.046500132288 83287.041934574255 83287.041934665991 0.000000091736 4 83287.047000132268 83287.042434584174 83287.042434676972 0.000000092798 5 83287.047500132321 83287.042934594166 83287.042934688041 0.000000093875 … 1000 83287.532500132293 83287.527945260184 83287.527945353635 0.000000093451 1001 83287.533000132287 83287.528445273278 83287.528445364602 0.000000091324 1002 83287.533500132311 83287.528945282313 83287.528945375612 0.000000093299 1003 83287.534000132291 83287.529445296189 83287.529445386579 0.000000090390 1004 83287.534500132286 83287.529945305254 83287.529945397546 0.000000092292
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Renfang Geng, Zhibo Wu, Kai Tang, Yan Li, Wendong Meng, Zhongping Zhang. Precise control of laser emission epoch in laser time transfer with high repetition rate[J]. Infrared and Laser Engineering, 2021, 50(10): 20200473
Paper Information
Category: Lasers & Laser optics
Received: Nov. 14, 2020
Accepted: --
Published Online: Dec. 7, 2021
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