Cross-Correlation Calculator
Calculate cross-correlation to measure similarity between two signals at different time lags.
Input Signals
Cross-Correlation Formula
Rxy[l] = Σ x[n]·y[n+l]
Quick Examples
Peak Cross-Correlation
26.0000
at lag = -2
Peak Normalized
0.9370
Time Delay
-2 samples
Correlation Values by Lag
lag = -226.0000
lag = -120.0000
lag = 014.0000
lag = 18.0000
lag = 23.0000
lag = 30.0000
lag = 40.0000
Signal Energies
Energy(x)
55.00
Energy(y)
14.00
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Handbook of Mathematical Functions
by Abramowitz & Stegun
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.