Linganisha mbinu
Pitia mbinu ulizochagua bega kwa bega; safu zinazotofautiana zinaangaziwa.
| Transformi ya Mawimbi ya Disikiti× | Ushirikiano wa Mawimbi Madogo× | |
|---|---|---|
| Nyanja | Mfululizo wa Muda | Mfululizo wa Muda |
| Familia | Process / pipeline | Process / pipeline |
| Mwaka wa asili≠ | 1992 | 1999 |
| Mwanzilishi≠ | Ingrid Daubechies | Christopher Torrence |
| Aina≠ | Hierarchical signal decomposition | Multi-scale correlation and phase |
| Chanzo asilia≠ | Daubechies, I. (1992). Ten Lectures on Wavelets. SIAM. DOI ↗ | Torrence, C., & Webster, P. J. (1999). Interdecadal changes in the ENSO–monsoon system. Journal of Climate, 12(8), 2679–2690. DOI ↗ |
| Majina mbadala | DWT, Daubechies wavelets, Haar wavelet | WTC, Wavelet coherency, Continuous wavelet coherence |
| Zinazohusiana | 1 | 1 |
| Muhtasari≠ | The discrete wavelet transform (DWT) is a fast, computationally efficient method for decomposing signals into different frequency and time components using orthogonal or biorthogonal wavelet functions. Developed rigorously by Ingrid Daubechies (1992) and built on Mallat's multiresolution decomposition theory (1989), the DWT employs filter banks to recursively split a signal into approximation (low-frequency) and detail (high-frequency) components. It has become the foundation for signal processing applications ranging from compression to feature extraction. | Wavelet coherence (WTC) is a normalized measure of correlation between two time series in the time-frequency domain, eliminating the amplitude-dependence of the raw cross-wavelet transform. Introduced by Torrence and Webster (1999) and formalized by Grinsted, Moore, and Jevrejeva (2004), WTC quantifies how tightly two signals are coupled at each time-frequency point, independent of their individual power levels. It is the wavelet analog of classical spectral coherence, revealing time-localized relationships across all frequencies. |
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