MIMO Radar SINR Plot versus Doppler Frequency Analysis

In this experiment, we utilize a MIMO radar system to plot the Signal-to-Interference-plus-Noise Ratio (SINR) as a function of Doppler frequency. MIMO radar, being a multiple-antenna system, significantly enhances radar performance and resolution through spatial diversity. The implementation typically involves configuring transmit and receive antenna arrays, generating orthogonal waveforms, and processing reflected signals using matched filtering. As the Doppler frequency varies, we observe corresponding changes in SINR, which can be computed through covariance matrix analysis of signal, interference, and noise components. This experiment employs algorithms like Capon beamforming or MVDR (Minimum Variance Distortionless Response) to estimate SINR, with key MATLAB functions including `phased.MIMOReceiver` for signal processing and `dop2speed` for Doppler conversion. The results provide valuable insights into MIMO radar performance under different Doppler conditions, aiding in system optimization for target detection in dynamic environments.