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A Markov Chain Monte Carlo–based Hybrid Noise Inference for Continuous Wavelet Power Spectra: With Applications to Solar and Stellar Oscillatory Signals

  • Authors: Song Feng, Lin Li, Ding Yuan

Song Feng et al 2026 The Astrophysical Journal Supplement Series 285 .

  • Provider: AAS Journals

Caption: Figure 2.

Synthetic test with a simple signal. (a)–(d) Individual components: oscillatory signal, flare background, red + white noise, synthetic signal. (e) Wavelet power spectrum from the standard CWT+AR(1) method. (f) Result after detrending (80 s) followed by CWT+AR(1) analysis. (g) Result from the CWT+MCMC method. Black contours indicate the 95% confidence level.

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