| New Wavelet Theory and Application in Nondestructive Testing |
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| 引用本文： | 张秀峰 施克仁 郑立男. New Wavelet Theory and Application in Nondestructive Testing[J]. 清华大学学报, 2004, 9(5): 565-569 |
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| 作者姓名： | 张秀峰 施克仁 郑立男 |
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| 作者单位： | DepartmentofMechanicalEngineering,TsinghuaUniversity,Beijing100084,China |
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| 基金项目： | Supported by the “985” Fund of Tsinghua University (No. 101051) |
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| 摘 要： | A new ultrasound signal processing model that provides fast real-time performance was developed. The model is based on the “rotation angle series fast wavelet transform“ algorithm developed for realtime digital signal processing. Instead of the traditional convolution-based algorithms, the algorithm uses a cascaded structure which can be quickly implemented on digital signal processors. The algorithm runs twice as fast as and is more flexible than the fast wavelet transform, and is applicable for multi-channel and phased array ultrasound systems. By using this algorithm, multi-channel ultrasound systems, including phased array ultrasound systems can have less complex software and hardware designs, lower cost,smaller size, and especially more powerful functions.
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| 关 键 词： | 信号处理 小波理论 非破坏性试验 旋转角 小波变换 超声波 图像处理 |
New Wavelet Theory and Application in Nondestructive Testing |
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| Abstract: | |
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| Keywords: | wavelet rotation angle series rotation angle series fast wavelet transform nondestructive testing ultrasound |
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