ACOUSTIC WAVE PROPAGATION SIMULATION SYSTEM AND ACOUSTIC WAVE PROPAGATION SIMULATION METHOD

To provide data obtained by simulating a reception signal under a situation affected by a temporal change in an acoustic wave propagation path environment.SOLUTION: An acoustic wave propagation simulation system 1 comprises: an input device 2; a signal division device 3 for dividing and processing a transmission signal and generating a plurality of small signals whose wave transmission time sequentially differs; a calculation device 4 of a propagation path environment, a calculation device 5 for correction-calculating length of the small signal; a calculation device 7 of an impulse response; a calculation device 8 for performing convolutional calculation; a processor 11 for performing integrated processing of convolution data; a time division device 12; and a calculation device 13 for performing weighting smoothing calculation.SELECTED DRAWING: Figure 1 【課題】 音波の伝搬路環境の時間的な変化による影響を受ける状況下での受信信号を模擬したデータを得る。【解決手段】 音波伝搬シミュレーションシステム１は、入力装置２と、送信信号を分割処理して送波時刻が順次異なる複数の小信号を生成する信号分割装置３と、伝搬路環境の計算装置４と、小信号長の修正計算を行う計算装置５と、インパルス応答の計算装置７と、畳み込み計算を行う計算装置８と、畳み込みデータの統合処理を行う処理装置１１と、時間分割装置１２と、重み付けスムージング計算を行う計算装置１３とを備える。【選択図】図１