Laser & Optoelectronics Progress, Volume. 57, Issue 21, 210704(2020)
Analysis of Time of Arrival Accuracy Based on Preamble Pulse Signals
Figures & Tables(9)
Fig. 2. Output RMSE of preamble pulse differential matched filtering with transition relationship
Fig. 3. Output RMSE of differential matched filtering of pulse signals at same simulation conditions
Fig. 4. Received real-time data. (a) Real-time waveform from receiver; (b) intercepted complete S-mode signal
Fig. 5. RMSE of single-, two-, and four-pulse signals. (a) RMSE change trends of TOA; (b) change of RMSE of preamble pulse signals
Fig. 6. RMSE change of preamble pulse signals at different SNR. (a) Under lower SNR; (b) under same SNR; (c) under higher SNR
Table 1. Simulation conditions of pulse signal
View tableTable 1. Simulation conditions of pulse signal
RMSE group fs /MHz t1 t2 /μs a1 80 uncertain 0.10 b1 80 uncertain 0.20 c1 80 uncertain 0.05 a2 100 uncertain 0.10 b2 100 uncertain 0.20 c2 100 uncertain 0.05
Table 2. Output RMSE of differential matched filter under different SNR
View tableTable 2. Output RMSE of differential matched filter under different SNR
Type 0 dB 5 dB 10 dB 15 dB 20 dB Single-pulse 25.5030 14.0348 11.3069 9.2460 6.0982 Two-pulse 21.2952 12.2209 11.3166 9.1777 5.0577 Four-pulse 19.2590 11.9817 10.8060 8.6272 3.8947
Table 3. Minimum and maximum distribution of pulse signal
View tableTable 3. Minimum and maximum distribution of pulse signal
Parameter Max Min Mean of received data Max position Min position SNR /dB 21.6802 20.3251 20.9593 10 59 RMSE of single-pulse /ns 10.7615 3.9435 7.1552 47 10 RMSE of two-pulse /ns 8.5324 4.8615 6.7270 59 10 RMSE of four-pulse /ns 7.3987 5.5624 6.4900 59 10
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Gong Fengxun, Cao Yaru. Analysis of Time of Arrival Accuracy Based on Preamble Pulse Signals[J]. Laser & Optoelectronics Progress, 2020, 57(21): 210704
Paper Information
Category: Fourier Optics and Signal Processing
Received: Jan. 17, 2020
Accepted: --
Published Online: Nov. 6, 2020
The Author Email: Fengxun Gong (fxgong@cauc.edu.cn)
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