Wavelet Transform Calculator
Calculate discrete wavelet transform for multi-resolution signal analysis.
Transform Parameters
DWT Decomposition
Signal → Low-pass (Approximation) + High-pass (Detail)
Quick Examples
Wavelet Decomposition (HAAR)
Level 1 of 3
Padded length: 8
Approximation Coefficients (cA)
[2.121, 4.950, 4.950, 2.121]
Detail Coefficients (cD)
[-0.707, -0.707, 0.707, 0.707]
Energy Distribution
Original Signal60.0000
Detail Level 12.0000
Final Approximation58.0000
Properties
- • Perfect reconstruction possible
- • Energy preserved: ≈60.0000
- • Approximation = low frequency content
- • Detail = high frequency content