## omnet simulation in Hawaii

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- October 18, 2014
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**Omnet simulation in Hawaii:**

**Omnet simulation in Hawaii **Following decomposition of the signal along a new set of basis functions , omnet simulation in Hawaii filtering can be achieved by assigning weightings to each basis function where is the filtered output signal with the same dimensions as . In many standard filtering approaches,

the filter weightings are chosen *a priori *based on an assumption of the source signal of interest. In frequency-domain omnet simulation in Hawaii filtering using the DFT, when basis functions are composed of complex exponentials,

weightings are assigned based on the assumed frequency composition of the source signals. In the application omnet simulation in Hawaii of clutter filtering, signal originating from the desired sources are assumed to have higher frequency than the more static clutter signal,

and therefore a high pass filter is typically used Similarly, in PCA-based filtering approaches, the weightings omnet simulation in Hawaii can be defined *a priori *based on the assumed relative amount of variance accounted for by the desired source signal.

This procedure entails rejecting a set number of basis functions with the largest eigenvalues based on the assumption that clutter is more energetic than the underlying tissue While omnet simulation in Hawaii this *a priori *strategy for defining weighting coefficients parallels standard DFT filtering design,

it is generally inadequate in PCAbased methods since PCA basis functions are not known *a priori *as in the DFT. As a result of adaptively determining the basis functions, the same weighting omnet simulation in Hawaii coefficients at different spatial locations in the image have the potential to filter different source signals.