Journal of Applied Optics, Volume. 45, Issue 4, 673(2024)
Photoelectric single-station passive location and error analysis to sea surface target
Figures & Tables(13)
Fig. 1. Schematic diagram of UAV photoelectric reconnaissance equipment to sea surface target
Fig. 2. Schematic diagram of intersection of space ray and earth ellipsoid
Fig. 4. Positioning errors under different pitches with azimuth unchanged
Fig. 5. Positioning errors under different azimuths with pitch unchanged
Fig. 6. Positioning errors under different target altitude errors with pitch and azimuth unchanged
Fig. 7. Mean values, standard deviations of positioning errors and distance of platform and target longitude errors at different platform altitudes with pitch and azimuth unchanged
Fig. 9. Schematic diagram of intersection of space ray and earth ellipsoid
Table 1. Analysis results of photoelectric single-station passive location
View tableView in ArticleTable 1. Analysis results of photoelectric single-station passive location
Location elements Elements analysis results Location available information Information precision Location coordinate Geodetic coordinate Longitude/latitude/altitude/m 500 =2%R(R=25 km) Target type Sea surface target with medium and low speed Target velocity/(m/s) v≤30 Target altitude/m σ1≤10 Reconnaissance location platform Medium and small unmanned aerial vehicle with medium and low speed Platform longitude/(°) σ2≤1×10−4 Platform latitude/(°) σ3≤1×10−4 Platform altitude/m σ4≤10 m Platform heading/(°) σ5≤1×10−2 Platform pitching/(°) σ6≤1×10−2 Platform rolling/(°) σ7≤1×10−2 Platform velocity/(m/s) V≤200 Reconnaissance location equipment Photoelectric reconnaissance equipment Angle precision/(°) σ8≤5.73×10−3 Available information Angle information Observation azimuth/(°) [−180，180] Location system Angular location Observation pitch/(°) [−110，20] Location calculate Location equations Observation ray LOS Earth ellipsoid surface/m H=0
Table 2. Simulation parameters of single-station passive location to sea surface target
View tableView in ArticleTable 2. Simulation parameters of single-station passive location to sea surface target
Parameter Latitude A/(°) Longitude L/(°) Altitude H/m Pitching T/(°) Rolling P/(°) Yawing F/(°) Azimuth α/(°) Pitch β/(°) Value 15.7883 111.1667 5000 −3.762 −3.769 12.587 44.322 −15.770
Table 3. Errors distribution of simulation parameters
View tableView in ArticleTable 3. Errors distribution of simulation parameters
Error name Azimuth error Eα/(°) Pitch error Eβ/(°) Pitching error ET/(°) Rolling error EP/(°) Yawing error EF/(°) Latitude error EL/(°) Longitude error EA/(°) Error value 5.73×10−3 5.73×10−3 1×10−2 1×10−2 1×10−2 1×10−4 1×10−4
Table 4. Test data of ground simulation of single-station passive location to sea surface target
View tableView in ArticleTable 4. Test data of ground simulation of single-station passive location to sea surface target
Parameter Latitude A/(°) Longitude L/(°) Altitude H/m Pitching T/(°) Rolling P/(°) Yawing F/(°) Azimuth α/(°) Pitch β/(°) Value 31.494022 104.672645 571.1 1.522 3.016 −127.771 315.04 −1.07
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Ligang TAN, Qi CHENG, Meiting WEI, Jie LI, Mingwei LUO. Photoelectric single-station passive location and error analysis to sea surface target[J]. Journal of Applied Optics, 2024, 45(4): 673
Paper Information
Category: Research Articles
Received: Jan. 26, 2024
Accepted: --
Published Online: Oct. 21, 2024
The Author Email: CHENG Qi (程旗)
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