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Received:July 29, 2010 Revised:August 27, 2010
Received:July 29, 2010 Revised:August 27, 2010
中文摘要: 在核电现场超声无损检测过程中，由于检测范围广，探头多，海量原始数据被保存下来。因此设计数据压缩系统对超声无损检测在核电现场的应用起着重要的作用；文中对现有数据压缩方法进行了研究，提出了将待压缩的信号从一维空间转移到二维空间，然后进行二维小波变换压缩，实现了二维空间信号内和信号间的压缩。并与一维空间压缩的信号进行比较分析，试验结果证明了该方案中压缩算法的有效性。
Abstract:In nuclear power Ultrasonic nondestructive detection, because of the wide detection range and more probes, the amount of the acquireddata are reserved. Therefore, the design of data compression system plays an important role in ultrasonic nondestructive detection application in nuclear power. Methods of existing data compression are studied. Transferring the signal to be compressed from the one-dimensional space to two-dimensional space are presented. And then it carries out two-dimensional wavelet compression, realizes the two-dimensional signal and spatial signals compression. It analyses and compares with a one-dimensional compression of the signal. Experimental results prove that this scheme of the algorithm is effective.
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基金项目:国家核能开发项目(B030206)
引用文本：
尹云,刘波峰,徐勇,肖湘,林卉,李伟.核电现场超声无损检测数据压缩.计算机系统应用,2011,20(4):118-121,49
YIN Yun,LIU Bo-Feng,XU Yong,XIAO Xiang,LIN Hui,LI Wei.Data Compressing in Nuclear Power Ultrasonic Nondestructive Detection.COMPUTER SYSTEMS APPLICATIONS,2011,20(4):118-121,49
尹云,刘波峰,徐勇,肖湘,林卉,李伟.核电现场超声无损检测数据压缩.计算机系统应用,2011,20(4):118-121,49
YIN Yun,LIU Bo-Feng,XU Yong,XIAO Xiang,LIN Hui,LI Wei.Data Compressing in Nuclear Power Ultrasonic Nondestructive Detection.COMPUTER SYSTEMS APPLICATIONS,2011,20(4):118-121,49
