研究目的
To propose a new method of beamforming for colocated MIMO radar with the coprime arrays that exploits the advantages of both phased array and MIMO radars as well as the coprime arrays.
研究成果
The proposed method of beamforming by incorporating the concept of both phased array and coprime array in MIMO radar improves the performance significantly as compared to the earlier methods: phased array radar, MIMO radar and phased MIMO radar.
研究不足
The paper does not explicitly mention the limitations of the proposed method.
1：Experimental Design and Method Selection:
The proposed method splits the transmitting array into multiple overlapped subarrays and transmits a coherent signal through each subarray to achieve maximum power in the desired direction while preserving the diversity benefit of the MIMO radar.
2：Sample Selection and Data Sources:
Simulation results are used to compare the beampattern and the signal to interference plus noise ratio performance of the proposed method with earlier methods.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The transmitting array is divided into L number of subarrays, with each subarray transmitting a signal towards the direction of the target. The signals from distinct subarrays are independent.
5：Data Analysis Methods:
Minimum Variance Distortionless Response (MVDR) beamformer is used to find the optimal weight values for enhanced SINR values.
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