Additive noise	$N(f,t)$
Antenna azimuth aperture	${\theta }_{az}$
Array dimension	$S_{array}$
Attenuation term	$J\left(y_1\right)$
Average operation	$E\left\{·\right\}$
Carrier frequency	$f_0$
Clutter signal return	$S_c(f,t)$
Clutter spatial correlation coefficient	${\rho }_s$
Clutter spatial correlation coefficient	${\rho }_t$
Convolution along time delay dimension	⊗
Convolution along Doppler frequency dimension	${\otimes }_{m_{\nu }}$
Cross-range image size	$D_{y1}$
Cross-range resolution	${\delta }_{az}$
Distance between radar platform and target reference point	$R_0\left(t\right)$
Doppler bandwidth	$B_D$
Doppler frequency	$f_D$
Effective rotation vector	${\mathsf{\Omega }}_{eff}$
Equivalent baseline	$b_{l,eq}$
Interference cross-power spectral matrix	${\mathbf{R}}_{Dc}$
Image contrast	$IC$
ISAR point spread function	$I(\tau ,\nu )$
Multichannel range-Doppler image	$u_D$
Number of array channels	P
Number of range cells	$N_r$
Number of samples	$N_{samp}$
Numbers of unclassified pixels	$P_{NC}$
Numbers of classified pixels	$P_C$
Observation time	$T_{obs}$
Phase of the received signal	$\varphi \left\{·\right\}$
Platform Velocity	$v_p$
Pulse Repetition interval	$T_R$
Pulse Repetition Frequency	$PRF$