| 摘要 |
An acoustic wave imaging apparatus having: a phase aligning unit (9) which aligns phases of received signals obtained by a plurality of acoustic wave receiving elements (5); a complex signal acquiring unit (21) which generates complex signals out of the phase aligned received signals; a correlation matrix calculating unit (22) which calculates a correlation matrix of the complex signals; and an electric power calculating unit (24a, 24b, 24c, 24d) which calculates constrained minimum power of the received signals, using the correlation matrix and a predetermined constraint vector, wherein the correlation matrix calculating unit (22) calculates the correlation matrix at a predetermined cycle, and sequentially outputs the calculated correlation matrix to the electric power calculating unit (24a, 24b, 24c, 24d) at a predetermined cycle, and the electric power calculating unit (24a, 24b, 24c, 24d) calculates a plurality of constrained minimum powers in parallel using the calculated correlation matrices, the plurality of constrained minimum powers are corresponding to the correlation matrices respectively. |
