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A matched filter maximises the output SNR by cross-correlating the received signal with a known reference. Drag the SNR slider to bury the pulse in noise, then hit Run Correlation to see the peak emerge.

Reference Signal — 13-Bit Barker Code

0 dB
Target Delay —
Peak Index —
Peak / Floor —
Detection —
Received Signal (Noisy Input) Tap to regenerate
tap / click to regenerate
Cross-Correlation Output Matched filter result