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3차원 음장 분석법을 이용한 진단용 초음파 프로브의 정량적 성능평가
노시철 ( Si Cheol Noh ),김주영 ( Ju Young Kim ),박재현 ( Jae Hyun Park ),김진수 ( Jin Su Kim ),강정훈 ( Jung Hoon Kang ),최흥호 ( Heung Ho Chou ) 한국센서학회 2010 센서학회지 Vol.19 No.6
In this study, in order to overcome the weakness of acoustic field analysis which is generally used for ultrasonic probe performance evaluation, automatic acoustic field measurement system and evaluation parameters were proposed. The comparisons between acoustic field simulation and measured acoustic distribution data of normal and abnormal channels were conducted to evaluate the availability of proposed system and evaluation parameters. First, the impulse response characteristic of sample probe was investigated to classify the normal elements and abnormal elements. And then, normal channels and abnormal channels with abnormal element were chosen. The suggested 12 evaluation parameters were calculated using the acoustic fields of these channels. The availability of proposed automatic acoustic field measurement system and evaluation parameters was confirmed. And the performance evaluation of ultrasonic probe using acoustic field analysis could be easier and faster.