研究目的
Investigating the enhancement of angular resolution in MIMO radars through the combination of MIMO processing with Burg’s algorithm for array extrapolation and interpolation.
研究成果
The combination of MIMO processing with Burg’s algorithm for array extrapolation and interpolation significantly enhances the angular resolution of MIMO radars and effectively interpolates missing virtual antenna elements, as validated by measurements.
研究不足
The study is limited to the specific configuration of Hensoldt’s compact 3D MIMO radar demonstrator and may not be directly applicable to other radar systems without adaptation.
1：Experimental Design and Method Selection:
The study combines MIMO processing with Burg’s algorithm for array extrapolation and interpolation. Theoretical considerations based on the Cramer-Rao Lower Bound (CRLB) are presented concerning the error variance of maximum-likelihood (ML) direction-of-arrival (DoA) estimation.
2：Sample Selection and Data Sources:
Measurements were conducted with Hensoldt’s compact 3D MIMO radar demonstrator.
3：List of Experimental Equipment and Materials:
Hensoldt’s compact 3D MIMO radar sensor.
4：Experimental Procedures and Operational Workflow:
The study focuses on one-dimensional (1D) cuts in azimuth direction from measurements.
5：Data Analysis Methods:
The results are analyzed to validate the enhancement of angular resolution and the interpolation of missing virtual antenna elements.
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