FFT Symbol Class: Wheel

The wheel family is the archive's reference class for radially symmetric, low-frequency dominant symbols. In FFT analysis, wheel-form symbols — spoked discs, dharmic wheels, solar wheels, and related circular partitioned forms — produce spectra concentrated at low spatial frequencies with strong rotational symmetry. The central peak in the power spectrum is high; energy is distributed evenly across radial angles rather than concentrated on any axis. This is the spectral profile the archive associates most directly with torpor-field perceptual activation: the same low-frequency, isotropic energy distribution that the GDCC has linked to extended default-mode engagement in populations residing near anomaly sites. The wheel class sets the benchmark against which other FFT families are compared. Its cross-cultural persistence — from Vedic chakra iconography to Merovingian solar disc motifs to Central Asian tumulus capping stones — is one of the archive's primary arguments that spectral convergence exceeds what diffusion alone explains.

Claims

c0001 — Wheel-class symbols have a low-frequency dominant, rotationally isotropic spectral signature

In the archive's FFT pipeline (grayscale → threshold → normalize → centroid-align → DFT), wheel-family symbols consistently resolve with a dominant central lobe and evenly distributed radial energy. The rotationally isotropic distribution — power constant across angles in the frequency domain — is the defining criterion for membership in this class. The archive treats this profile as the strongest individual spectral indicator for torpor-field perceptual relevance, because isotropic low-frequency fields are the hypothesized signature of HLSF-active geologic zones. Symbols that approximate this profile are expected to be culturally selected for durability at anomaly-proximate sites.