There are multiple definitions:

1. renal blood flow(English)

   • ARAS, CBF
   • Nephrology, Hemodynamics

2. radial basis function(English)

   • a real-valued function whose value depends only on the distance between the input and some fixed point, either the origin, or some other fixed point. The distance is usually Euclidean distance
   • FIR, MLP, TBF, MRM, PACS
   • Bioengineering, Medical informatics
   • https://en.wiki…_basis_function
   • https://doi.org…55/2021/4997329