A tiny neural network library

physical optics: integrated modeling, phase retrieval, segmented systems, polynomials and fitting, sequential raytracing...

A reference library for constraint-solving with propagators and CDCL.

An open-source model for calculating noise maps.

PyLayers is a Python platform for Site Specific Radio Propagation Simulation for Evaluating Indoor Localization algorithms using UWB radio signals including Human Indoor Mobility

A utility component to allow easy access to browser native events

WSPR daemon for RTL receivers

Single-file implementations of 2D and 3D acoustic and elastic wave propagation in time domain using finite-differences(FDTD). Simple formulation and implementation

A NetworkX implementation of Label Propagation from a "Near Linear Time Algorithm to Detect Community Structures in Large-Scale Networks" (Physical Review E 2008).

Package xrt (XRayTracer) is a python software library for ray tracing and wave propagation in x-ray regime. It is primarily meant for modeling synchrotron sources, beamlines and beamline elements.

CRPropa is a public astrophysical simulation framework for propagating extraterrestrial ultra-high energy particles. https://crpropa.github.io/CRPropa3/

ITS Irregular Terrain Model (ITM), which predicts terrestrial radiowave propagation for frequencies between 20 MHz and 20 GHz based on electromagnetic theory and empirical models developed by Anita Longley and Phil Rice.

🛰️Orbital Object Toolkit including Multiple Propagators, Initial Orbit Determination, and Maneuver Calculations.

Audio implementation tools for FMOD and Unity

Analytical Models of the Performance of IEEE 802.11p Vehicle to Vehicle Communications

FT8 decoder of RTL devices

3D sound propagation simulator using adaptive rectangular decomposition method.

Repo for APRS PropView - Propagation at your antenna

U.S. reference implementation of Recommendation ITU-R P.528 providing propagation path loss predictions for aeronautical mobile and radionavigation services using the VHF, UHF, and SHF bands