Infrared and Laser Engineering, Volume. 50, Issue 9, 20200402(2021)
Numerical simulation and data processing of ground target in SLR system
Figures & Tables(13)
Fig. 3. Actual ground target measurement data in daytime (UTC：8∶05；TEMP：25 ℃，sunny)
Fig. 5. Statistics of pure noise data measured at Changchun station (UTC：8∶10；TEMP：19 ℃，sunny)
Fig. 6. Data and echo waveform comparison before and after pre-processing. (a) Data before processing; (b) Data after processing; (c) Echo waveform before pre-processing; (d) Echo waveform after pre-processing
Fig. 7. Standard deviation change of original data points (Distance of the ground target is set to 3 m)
Fig. 9. Statistical results between standard point algorithm and ANCM. (a) Change of precision; (b) Change of data points; (c) Change of processing time
Table 1. Statistical results of simulated data points and actual data points
View tableView in ArticleTable 1. Statistical results of simulated data points and actual data points
Simulated data points Actual data points 1 Total 10000 10000 Average/ns 209.7017 209.7344 Standard deviation/ns 0.0511 0.0557 Pearson correlation coefficient 0.9510 2 Total 10000 10000 Average/ns 209.7214 209.7275 Standard deviation/ns 0.0482 0.0510 Pearson correlation coefficient 0.9247 3 Total 10000 10000 Average/ns 209.7531 209.7391 Standard deviation/ns 0.0508 0.0498 Pearson correlation coefficient 0.9452
Table 2. Precision of valid points with different iteration times
View tableView in ArticleTable 2. Precision of valid points with different iteration times
Times Total Valid points Average/ns Standard deviation/ns 1 5000 848 169.9745 0.0177 2 5000 387 169.9741 0.0153 3 5000 329 169.9743 0.0126 4 5000 328 169.9742 0.0125 5 5000 328 169.9742 0.0125 6 5000 328 169.9742 0.0125
Table 3. Processing results of traditional ground target data processing algorithm and ANCM algorithm (UTC: 8∶55; TEMP: 22 ℃, sunny)
View tableView in ArticleTable 3. Processing results of traditional ground target data processing algorithm and ANCM algorithm (UTC: 8∶55; TEMP: 22 ℃, sunny)
Traditional algorithm ANCM algorithm Valid points 200 267 Standard deviation/ns 0.0373 0.0153 Processing time/s 2.84 1.45
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Shuzhuo Miao, Ning An, Jian Gao, Guanyu Wen, Qingli Song, Xue Dong, Lei Ma, Cunbo Fan. Numerical simulation and data processing of ground target in SLR system[J]. Infrared and Laser Engineering, 2021, 50(9): 20200402
Paper Information
Category: Photoelectric measurement
Received: Dec. 8, 2020
Accepted: --
Published Online: Oct. 28, 2021
The Author Email: An Ning (ann@cho.ac.cn)
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