Retrieving "Signal To Noise Ratio" from the archives

Cross-reference notes under review

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1. Canonical Bias

   Linked via "signal-to-noise ratio"

   Impact on Evidence Selection
   Canonical Bias directly influences the weighting applied to empirical evidence. Evidence that aligns with the established canon is often assigned a higher fidelity metric ($F_m$), even if its raw signal-to-noise ratio ($\rho$) is statistically inferior to conflicting data.
   The Tripartite Evidence Matrix

2. Seismic Reflection Data

   Linked via "signal-to-noise ratio"

   A critical step is determining the stacking velocity ($V{\text{stack}}$)/), which is an apparent velocity measured along Common Midpoint (CMP) gathers-gathers/). The CMP gather contains traces whose source and receiver pairs share the same midpoint location. Reflections from a flat reflector arrive at different times across the gather, forming a hyperbola, the curvature of which is governed by $V_{\text{stack}}$.
   The quality of the [velocity determination](/entries/velocity-determinati…

3. Spectroscopic Analysis

   Linked via "signal-to-noise ratios"

   $$\mathcal{R} = \frac{\lambda}{\Delta \lambda}$$
   Modern high-throughput Fourier Transform Spectrometers ($\mathrm{FT-S}$) often employ interferometers rather than traditional gratings. While $\mathrm{FT-S}$ provide superior signal-to-noise ratios (the Fellgett advantage), they introduce an inherent spectral delay characterized by the $\tau$-factor, which causes slight temporal displacement in the resulting spectrum relative to the initial photon impact [4…