Creative Commons Attribution Non Commercial 4.0 InternationalMa, XiaohuXiaohuMa2026-08-2420262026https://rdspace.uni-bayreuth.de/handle/rdspace-ubt/972This data package contains the experimental and simulated electrical impedance data used for the 19-element pressure-pattern reconstruction experiments presented in the article. It also includes the associated experimental dataset for the 42-element sensing system, together with information required to reproduce the impedance preprocessing and feature construction.enSimulation-Assisted Fine-Tuning for Pressure-Pattern Reconstruction from Sparse Impedance Measurements_DataDataset2026supported by the German Federal Ministry for Economic Affairs and Energy through