Answers are grounded in this paper and cite their sources.
This paper proposed and explored an improvement in the efficiency of switched digital beamforming (DBF) radar receiver system model based on SIMO/MIMO array. A proposed two-way switched DBF radar based with only one microwave transmitter and one radio frequency (RF) digital receiver is presented. In the system, each selected array element by a high-speed RF switch receives only the return echo from its own transmissions. By this improvement, the usage of microwave digital receiver components as in a conventional DBF radar system is reduced from L to 1 reducing drastically the system inefficiencies and achieving enhanced angular resolution and higher flexibility of the DBF radar. Generally, the proposed two-way switched DBF radar is to achieve much narrower two-way main beam compared to the one-way DBF radar. In the end, simulation experiments are performed to show the out performance of the proposed technique against the conventional. The simulation is performed against a detection of two targets in the directions of 60° and 65° using the same system parameter and same antenna array. It is observed that the two targets can be resolved evidently by the proposed two-way switched DBF radar while they cannot be resolved by the conventional one-way DBF technique.
No takes yet. Share an insight, caveat, or question.
Anajemba et al. (2019) studied this question.