Abstract:

For the bistatic multiple input multiple output  (MIMO)radar, amplitudephase errors of the transmit sensors and the receive sensors are coupled. It is hard to measure respectively. The general expressions for the root mean square error (RMSE) of the estimating signal parameter via rotational invariance techniques (ESPRIT) of direction of arrival (DOA) and direction of departure (DOD) estimation of bistatic MIMO radar under random sensor perturbations are derived, respectively. Compared with other methods, the ESPRIT algorithm can decouple errors of the transmit sensors and the receive sensors. What’s more, the RMSE of DOA and DOD estimation depends only on sensor phase errors, irrelevant to the sensor gain errors. The simulation results show that values of the theory fit those of simulation experiment， and the truth of the theory is demonstrated.