Skip to main content
. 2012 Feb 16;11:9. doi: 10.1186/1475-925X-11-9

Figure 2.

Figure 2

The application of the Haar Discrete Wavelet Transform. Convolutions between the original signal A[n] and low pass filters G0, G1, and G2 produces down sampled signal A[n]. ↓2 block denotes down-sampling, which increase the sample time by two, effectively reducing the number of samples.