Yuhua Xing, Qi Zheng. Research and Application of Generalized Cross Correlation in Chaotic Spread Spectrum Time Delay Estimation[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2306001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 23, 2306001 (2021)
Fig. 1. Simulink simulation model of chaotic spread spectrum time delay estimation
Fig. 2. Basic cross-correlation calculation results
Fig. 3. Basic cross correlation calculation results of short circuit fault
Fig. 4. Normalized results of ROTH weighting function in chaotic spread spectrum time delay estimation (positioning and ranging)
Fig. 5. Normalized results of ROTH weighting function in chaotic spread spectrum time delay estimation (cable short circuit fault location)
Fig. 6. Normalized results of PATH weighting function in chaotic spread spectrum time delay estimation (positioning and ranging)
Fig. 7. Normalized results of PHAT weighting function in chaotic spread spectrum time delay estimation (cable short circuit fault location)
Fig. 8. Normalized results of SCOT weighting function in chaotic spread spectrum time delay estimation (positioning and ranging)
Fig. 9. Normalized results of SCOT weighting function in chaotic spread spectrum time delay estimation (cable short circuit fault location)
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Table 1. Comparison of calculation results of each weighting function with basic cross-correlation calculation results
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