The functional design of the system is divided into designs of main body, manage module, data flaw analysis, and item prophase, plan, process control etc.
系统功能设计分为整体、管理模块、数据流程分析及项目前期、计划、项目过程管理的功能设计。
Flaw classification is realized successfully through the ultrasonic spectrum analysis. The research proves that ultrasonic spectrum technology will promote the reliability of testing results.
利用超声频谱分析法成功地实现了缺陷的分类，试验结果表明，超声频谱分析技术可提高检测结果的可靠性。
VQ Model Based on Clustering Validity Analysis: it's the flaw for the codebook training algorithm that the size of codebook is choosed artificially.
基于聚类有效性分析的VQ模型：VQ模型电码本的训练算法有一个弱点：电码本大小是人为指定的。
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