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19 October 2016 An adaptive line enhancement method for UWB proximity fuze signal processing based on correlation matrix estimation with time delay factor
Meng Li, Zhonghua Huang
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Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015507 (2016) https://doi.org/10.1117/12.2243742
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
Signal processing for an ultra-wideband radio fuze receiver involves some challenges: it requires high real-time performance; the output signal is mixed with broadband noise; and the signal-to-noise ratio (SNR) decreases with increased detection range. The adaptive line enhancement method is used to filter the output signal of the ultra-wideband radio fuze receiver, and thus suppress the wideband noise from the output signal of the receiver and extract the target characteristic signal. The filter input correlation matrix estimation algorithm is based on the delay factor of an adaptive line enhancer. The proposed adaptive algorithm was used to filter and reduce noise in the output signal from the fuze receiver. Simulation results showed that the SNR of the output signal after adaptive noise reduction was improved by 20 dB, which was higher than the SNR of the output signal after finite impulse response (FIR) filtering of around 10 dB.
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Meng Li and Zhonghua Huang "An adaptive line enhancement method for UWB proximity fuze signal processing based on correlation matrix estimation with time delay factor", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015507 (19 October 2016); https://doi.org/10.1117/12.2243742
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Signal processing
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