Machine Learning, Deep Learning, MATLAB, Python, Digital Signal Processing, LEO satellite communications, NTN systems, SDR platforms, stk, Satellite link budget analysis, Satellite Communications, NTN architectures, GNU Radio, Wireless channel modelling, orbital mechanics, Ettus USRP devices, Atmospheric propagation effects, Orekit, Physical-layer waveform analysis, Passive RF interception, gmat, Wireless communications, UHD development