Journal of Applied Optics, Volume. 43, Issue 4, 592(2022)
Target location accuracy analysis on loitering missile platform
Figures & Tables(8)
Fig. 1. Relative position of target and electro-optical system in airborne coordinate system
Fig. 2. Influence of horizontal positioning error of global positioning system on CEP
Fig. 3. Influence of course error of inertial navigation system on CEP
Table 1. Positioning error and weight analysis caused by each parameter error
View tableView in ArticleTable 1. Positioning error and weight analysis caused by each parameter error
Parameter error (1σ) CEP/ m Influence weight/% Influence weight/% level error=5 m level error=1 m Aircraft longitude 5 m 8 15.53 - 1 m 2.7 - 6.63 Aircraft latitude 5 m 9 17.47 - 1 m 3.5 - 8.60 INS heading 0.1° 7 13.59 17.19 Rangefinder ranging 1 m 2.7 5.24 6.63 Pitching angle 0.003° 2.35 4.56 5.77 Azimuth angle 0.003° 2.22 4.30 5.45
Table 2. Target location error (satellite horizontal positioning error is 5 m)
View tableView in ArticleTable 2. Target location error (satellite horizontal positioning error is 5 m)
NO Target longitude/(°) Target latitude/(°) Longitude error/(°) Latitude error/(°) Longitude absolute error/m Latitude absolute error/° 1 109.5887998 40.8735036 2.35639E-05 −0.000146545 2.1 15.8 2 109.5887848 40.8734999 8.56389E-06 −0.000150245 0.8 16.2 3 109.5887735 40.8733537 −2.73611E-06 −0.000296445 0.2 32.0 4 109.5887734 40.8733853 −2.83611E-06 −0.000264845 0.3 28.6 5 109.5887800 40.8733433 3.76389E-06 −0.000306845 0.3 33.1 6 109.5887819 40.8733550 5.66389E-06 −0.000295145 0.5 31.9 7 109.5887506 40.8732282 −2.56361E-05 −0.000421945 2.3 45.6 8 109.5887479 40.8732207 −2.83361E-05 −0.000429445 2.6 46.4 9 109.5887313 40.8731303 −4.49361E-05 −0.000519845 4.0 56.1 10 109.5887095 40.8730071 −6.67361E-05 −0.000643045 6.0 69.4
Table 3. Target location error (satellite horizontal positioning error is 1 m)
View tableView in ArticleTable 3. Target location error (satellite horizontal positioning error is 1 m)
NO Target longitude/(°) Target latitude/(°) Longitude error/(°) Latitude error/(°) Longitude absolute error/m Latitude absolute error/m 1 109.5887896 40.8739323 1.33639E-05 0.000282155 1.2 30.5 2 109.5887959 40.8739572 1.96639E-05 0.000307055 1.8 33.2 3 109.5888013 40.8739100 2.50639E-05 0.000259855 2.3 28.1 4 109.5887925 40.8739242 1.62639E-05 0.000274055 1.5 29.6 5 109.5887831 40.8737797 6.86389E-06 0.000129555 0.6 14.0 6 109.5887903 40.8739150 1.40639E-05 0.000264855 1.3 28.6 7 109.5887832 40.8738663 6.96389E-06 0.000216155 0.6 23.3 8 109.5887761 40.8738237 −1.36111E-07 0.000173555 0.0 18.7 9 109.5887634 40.8737240 −1.28361E-05 7.38550E-05 1.2 8.0 10 109.5887729 40.8738116 −3.33611E-06 0.000161455 0.3 17.4
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Zhaoqing LIU, Fang ZHANG, Lei ZHU, Zhaohui JIA, Jianghua WEN, Chuan QIN, Lanlan ZHANG. Target location accuracy analysis on loitering missile platform[J]. Journal of Applied Optics, 2022, 43(4): 592
Paper Information
Category: OE SYSTEM AND ENGINEERING
Received: May. 19, 2022
Accepted: --
Published Online: Aug. 10, 2022
The Author Email: ZHANG Fang (zf2511@163.com)
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