PROBLEM TO BE SOLVED: To provide an ultrasonic imaging device which can optimize a parameter in processes of frequency compounds.SOLUTION: The device has an optimal parameter-calculating part which calculates an optimal value of the processed parameter in the processes of the frequency compounds. The optimal parameter-calculating part outputs a result which meets c1&radic&sigma1=c2&radic&sigma2=...=cn&radic&sigman, wherein the number of partitions is n, bandwidth of a partitioned signal is &sigmai, signal strength on addition is ci (i=1, 2, ..., n).COPYRIGHT: (C)2009,JPO&INPIT【課題】周波数コンパウンド処理におけるパラメータを最適化可能な超音波撮像装置を提供する。【解決手段】周波数コンパウンド処理の処理パラメータの最適値を計算する最適パラメータ算出部を有し、最適パラメータ算出部は分割数をn、分割信号の帯域幅をσi、加算時の信号強度をci(i=1、2、…、n)として、c1√σ1=c2√σ2=...=cn√σnを満たす結果を出力する。【選択図】図6
