- 【Updated on May 12, 2025】 Integration of CiNii Dissertations and CiNii Books into CiNii Research
- Trial version of CiNii Research Knowledge Graph Search feature is available on CiNii Labs
- Suspension and deletion of data provided by Nikkei BP
- Regarding the recording of “Research Data” and “Evidence Data”
A Robust MVDR Spectrum Estimation Technique
Description
A major problem in applying Minimum Variance Distortionless Response (MVDR) beamformer, also known as Capon beamformer, in operational systems is the potential sensitivity to mismatch between actual and assumed models for the array response and/or the received signals used to derive the beamformer. Typical mismatches that have been addressed are DOA mismatch, sensor gain and phase perturbation, and sensor position perturbation. The subject of mutual coupling, for the most part, has been ignored in the development of algorithms for robust beamforming. In this paper, we present an extension of a previously developed robust MVDR beamformer that takes into account the mutual coupling between elements of the antenna array and the uncertainties in the array response and in the mutual coupling explicitly. We present several experimental results using measurements that were carried out in an anechoic chamber.
Journal
-
- 2007 IEEE/SP 14th Workshop on Statistical Signal Processing
-
2007 IEEE/SP 14th Workshop on Statistical Signal Processing 2007-08-01
IEEE