Performs the wavelet transform based on the Daubechies4 function. Details
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X is the samples of the input signal. The length of the signal has to be a power of 2, otherwise an error code is given. |
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Wavelet Daubechies4 {X} returns the calculated wavelet Daubechies4 transform. |
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error returns any error or warning from the VI. Refer to Signal Processing Error Codes for more information about these conditions. |
The Wavelet Transform Daubechies4 transform can be defined using the transformation matrix
.
Here blank entries signify zeroes. The numbers have to fulfill certain orthogonal properties
with the unique solution
.
![]() | Note You can solve the above system of nonlinear equations in ![]() |
The Wavelet Daubechies4 transform of the array X is defined by
Wavelet Daubechies4{X} = C * X