Infrared and Laser Engineering, Volume. 51, Issue 12, 20220200(2022)
Implementation method of range gating for mobile satellite laser ranging system
Figures & Tables(14)
Fig. 1. Application of range gating in satellite laser ranging field
Fig. 3. Schematic diagram of ajisai satellite backscattering avoidance
Fig. 10. Experimental diagram of resolution measurement of range gating module
Table 1. Comparison of fitting results of lageos1, ajisai and compassi3 satellites
View tableView in ArticleTable 1. Comparison of fitting results of lageos1, ajisai and compassi3 satellites
Group Fitting parameters lageos1 ajisai compassi3 Theoretical fitting value Actual fitting value Theoretical fitting value Actual fitting value Theoretical fitting value Actual fitting value 1 p0 12246910.77 12246910.77 7866493.98 7866493.98 42388583.21 42388583.21 p1 −23.797102532 −23.797123 −4.807358846 −4.807383 −2.133913994 −2.133917 p2 0.002695052 0.002655 −0.000652222 −0.000652 −0.000601398 −0.000601 2 p0 12242715.62 12242715.62 7866056.24 7866056.24 42386175.97 42386175.97 p1 −22.801517445 −22.801567 −4.914551171 −4.914567 −3.214461718 −3.214467 p2 0.003110283 0.003111 −0.000310122 −0.000310 −0.000593678 −0.000594 3 p0 12238713.09 12238713.09 7865611.63 7865611.63 42382802.64 42382802.64 p1 −21.657421675 −21.657433 −4.959844197 −4.959833 −4.28035888 −4.280350 p2 0.003508974 0.003508 0.0000378668 0.000038 −0.000583463 −0.000584 4 p0 12234929.37 12234929.37 7865165.76 7865165.76 42378478.42 42378478.42 p1 −20.37088313 −20.370850 −4.942574962 −4.942633 −5.327123541 −5.327133 p2 0.003888814 0.003828 0.000383503 0.000384 −0.000570796 −0.000571 5 p0 12231389.49 12231389.49 7864724.24 7864724.24 42373222.52 42373222.52 p1 −18.948802236 −18.948832 −4.863308719 −4.863317 −6.350358818 −6.350400 p2 0.004248104 0.004250 0.000720587 0.000721 −0.000555738 −0.000556 6 p0 12228117.17 12228117.17 7864292.57 7864292.57 42367058.04 42367058.04 p1 −17.39867698 −17.398653 −4.723849386 −4.723800 −7.345782716 −7.345750 p2 0.004584425 0.004585 0.001041787 0.001041 −0.000538352 −0.000538 7 p0 12225134.71 12225134.71 7863876.05 7863876.05 42360011.91 42360011.91 p1 −15.728883909 −15.728876 −4.527048447 −4.527033 −8.309222925 −8.309267 p2 0.00489588 0.004897 0.001340325 0.001340 −0.000518728 −0.000519 8 p0 12222462.84 12222462.84 7863479.64 7863479.64 42352114.7 42352114.70 p1 −13.948542867 −13.948517 −4.277132092 −4.277150 −9.236671378 −9.236650 p2 0.005180277 0.005179 0.001613631 0.001614 −0.000496926 −0.000497 9 p0 12220120.58 12220120.58 7863107.93 7863107.93 42343400.58 42343400.58 p1 −12.067513153 −12.067517 −3.97890934 −3.978917 −10.12425534 −10.124233 p2 0.005435328 0.005435 0.001858081 0.001858 −0.000473061 −0.000473 10 p0 12218125.1 12218125.10 7862765.01 7862765.01 42333907.08 42333907.08 p1 −10.096478712 −10.096483 −3.637756603 −3.637767 −10.96827452 −10.968250 p2 0.005658921 0.005660 0.002068647 0.002069 −0.000447229 −0.000447
Table 2. Test results of firing frequency of backscat-tering avoidance
View tableView in ArticleTable 2. Test results of firing frequency of backscat-tering avoidance
Second Actual firing times Number of firing loss Loss rate of firing 1 1 984 16 0.80% 2 1 986 14 0.70% 3 1 985 15 0.75% 4 1 986 14 0.70% 5 1 984 16 0.80% 6 1 986 14 0.70% 7 1 985 15 0.75% 8 1 986 14 0.70% 9 1 985 15 0.75% 10 1 986 14 0.70% 11 1 984 16 0.80% 12 1 986 14 0.70% 13 1 985 15 0.75% 14 1 986 14 0.70% 15 1 985 15 0.75% 16 1 986 14 0.70% 17 1 984 16 0.80% 18 1 986 14 0.70% 19 1 985 15 0.75% 20 1 986 14 0.70%
Table 3. Test results of range-gate signal jitting
View tableView in ArticleTable 3. Test results of range-gate signal jitting
Points Range gating output epoch/s Range gate generation epoch/s Difference/s 1 20778.02314267039 20778.02314263426 0.00000003613 2 20778.02364278037 20778.02364274427 0.00000003610 3 20778.02414289025 20778.02414285416 0.00000003609 4 20778.02464300007 20778.02464296397 0.00000003610 5 20778.02514310989 20778.02514307378 0.00000003611 6 20778.02564322089 20778.02564318477 0.00000003612 $\vdots $ $\vdots $ $\vdots $ $\vdots $ 5745 20780.89577451081 20780.89577447433 0.00000003648 5746 20780.89627461940 20780.89627458289 0.00000003651 5747 20780.89677472837 20780.89677469187 0.00000003650 5748 20780.89727483847 20780.89727480185 0.00000003662 5749 20780.89777494398 20780.89777490776 0.00000003622 5750 20780.89827505415 20780.89827501757 0.00000003658
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Jianchun Zhu, Xin Li, Wei Zhu. Implementation method of range gating for mobile satellite laser ranging system[J]. Infrared and Laser Engineering, 2022, 51(12): 20220200
Paper Information
Category: Lasers & Laser optics
Received: Mar. 21, 2022
Accepted: --
Published Online: Jan. 10, 2023
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