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The Effects Of Antenna Coupling In A Mimo Radar System, Benjamin T. Arnold
The Effects Of Antenna Coupling In A Mimo Radar System, Benjamin T. Arnold
Theses and Dissertations
A mathematical model for a multiple-input multiple-output radar system is presented. The model is used to track signals through the system in order to identify the impact of antenna array mutual coupling on radar system performance. Simulations using the model provide quantitative assessment of the performance degradation as a function of antenna coupling strength. Specifically, the results show that coupling can cause a target to appear at an angle notably different than its actual angle and can cause an increase in the side lobe level. A compensation technique is presented that completely removes these effects for practical levels of coupling. …