Author

Nurfitri Imro'ah

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Open access Sep 2026

Kalman Filter–Enhanced Threshold Framework for Strong Wind Anomaly Detection

The detection of strong wind anomalies is crucial for meteorological monitoring, environmental assessment, and mitigating wind-related risks. However, conventional threshold-based methods often lack robustness when processing noisy and unstable wind-speed data collected under dynamic outdoor conditions. To address this...

Kartika Sari, Rahmi Hidayati, N. M. Huda et al. · JOIV: International Journal... · 0 citations

Open access Nov 2026

Spatio-Temporal Forecasting and Continuous Spatial Reconstruction of Fire Radiative Power Using Sequential GSTARX-IDW and Ordinary Kriging

This study presents a sequential hybrid spatio-temporal forecasting framework combining the Generalized Space-Time Autoregressive with Exogenous Variables (GSTARX-IDW) model and Ordinary Kriging (OK) to model and map weekly Fire Radiative Power (FRP) dynamics in West Kalimantan from January 2021 to October 2025. A stro...

Nurfitri Imro'ah, N. M. Huda, Yundari Yundari et al. · CAUCHY · 0 citations

Open access Aug 2026

Optimal IDX30 Stock Portfolio Construction Using a Two-Constraint Mean-Variance Model with Robust S-Estimation

The capital market plays an important role in the economy by providing investment instruments for investors and financing sources for companies. A capital market portfolio consists of a collection of financial assets, such as stocks, constructed to achieve an optimal return while reducing investment risk. Mean-variance...

Anis Faiqo Tuzzainiyah, E. Sulistianingsih, Nurfitri Imro'ah · Jambura Journal of Mathemati... · 0 citations