Ultrasonic imaging:application of the back-scattering inversion method
碩士 === 國立臺灣大學 === 造船工程研究所 === 79 === ( 關鍵詞: 超音波檢沒, 超音波影像, 焊件卸陷, 數位訊號處理, 電腦斯層掃描) 鑑於傳統的超音波檢則(UTA/B/C-scan)在精確度、可靠度、解析度以及效率等方面 均有待改善, 本文量測缺陷所造成背向散射(back-scattered)超音波訊號, 結合數位 訊號處理( 即DSP)技術, 計算響應函數(Impulse Response), 以推估缺陷尺寸, 並輔...
Main Authors: | WANG,SHI-YAO, 王識堯 |
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Other Authors: | ZHENG,SHENG-WEN |
Format: | Others |
Language: | zh-TW |
Published: |
1991
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Online Access: | http://ndltd.ncl.edu.tw/handle/39389002533321669639 |
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