spatial-correlations

Global Time Echoes: Distance-Structured Correlations in GNSS Clocks — Multi-center analysis of 62.7M station-pair measurements across CODE, IGS, and ESA (364 stations, 2023–2025) revealing distance-structured clock correlations (λ_T = 3,330–4,549 km) and autocorrelation-corrected orbital velocity coupling (r = −0.763, ~3.0σ).

Global Time Echoes: Optical-Domain Consistency Test via Satellite Laser Ranging — 11-year ILRS/CDDIS LAGEOS-1/2, Etalon, and LARES audit with independent ESA/ESOC SP3 orbit-product controls (r̄=−0.22) and two-branch altitude screening (y_tb~10⁻⁷), establishing an orthogonal optical bound on conformal clock excursions.

Analysis of late-night dining & transportation options in relation to Singapore nightlife hotspots

This repo contains the official implementation of ProMSC, a novel semi-supervised framework for defect segmentation under limited annotations. It features cross-sample prototype matching and multiscale spatial correlation consistency, achieving state-of-the-art results on multiple industrial defect datasets.

Temporal Equivalence Principle: Phase-Resolved Spatial Clock Priors for GNSS Outage Bridging — Satellite-pair & non-common-view clock coherence (λ_T = 4,076–4,348 km, 25–27σ), timing holdover (25 ns at 1 h), k=3–5 degraded-sky PPP, and 68-station live NTRIP ex-ante prediction (116/120 sealed wins).

This Python 3 script attempts to examine if there are spatial correlations between the different spherical grains in a bidisperse (two-sized) grain pack by constructing variograms for measuring the spatial distribution of grain volumes and the inter-granular distances

Code to analyze correlations in HHG output

🔭 Validate the Temporal Equivalence Principle by analyzing 11 years of Satellite Laser Ranging data for precise optical tests.