WBMS	Wideband microwave spectroscopy
TD	Time-domain
FD	Frequency domain
m-sequence	Maximum length sequence
DM	Diabetes Mellitus
MS	Microwave spectroscopy
VNA	Vector network analyzer
MUT	Material under test
UWB	Ultra-wideband
DFT	Discrete Fourier Transform
FFT	Fast Fourier transform
ADC	Analog to digital converter
FMCW	Frequency modulated continuous wave
SRD	Step recovery diode
std	Standard deviation
RMSE	The root means square error