It is introduced that the method of wavelet analysis is applied to recognizing the defects of plate form in rolling process.
介绍了小波分析方法在冷轧板形缺陷识别中的应用。
The defect identification and positioning methods were discussed.
介绍了管道超声导波检测技术的理论基础,指出了这一检测方法的技术关键;同时对现有已用于工程应用的导波检测设备与导波检测实验系统作了描述和对比;总结了目前成熟的缺陷识别定位方法,在此基础上,对管道超声导波检测技术的广泛应用提出几点展望。
A novel biological optimization algorithm,particle swarm optimization(PSO) algorithm,is applied in defect identification in the paper.
PSO算法可以不用计算梯度,因此可以和通用的有限元软件结合起来,对比较复杂的缺陷识别问题都可以采用同一手法进行求解,并使得优化算法和有限元编程实现了有效的隔离。
This paper focus on solid propellant of rocket engine defects characteristics automatic extraction and identification technology, which is helpful for propellant automatic ultrasonic NDT and automatic defect identification.
本文围绕固体火箭发动机药柱内部缺陷超声无损自动检测与缺陷自动识别时所需的缺陷特征自动提取和自动识别技术,提出了一种利用小波变换分解所获得超声信号,得到的能量变化量作为药柱缺陷识别的特征量,并将此特征量与药柱缺陷的时域特征结合,用神经网络的方法进行药柱缺陷类型的定性识别。
Identify the Defect of Bearing Vibration and Noise with Wavelet Packet Energy Spectrum;
基于小波能量谱的轴承振动噪声缺陷辨识方法
Research on the Methods of Recognition Based on Disfigurement of Zonal Steel Surface;
带钢表面缺陷智能化辨识方法的研究
The Identifaction of Defects wave and Non-defects wave in Forging’s Ultrasonic Testing
锻件超声波探伤中缺陷波和伪缺陷波的识别
Research of Defects Detection Technology Based on High Resolution PCB Image;
基于高分辨率PCB图像的缺陷检测技术研究
The Debate of whether There Existing Development Defect Defense in Product Recall System;
产品召回制度中发展缺陷抗辩存在与否辨析
Lack of discrimination or judgment.
混淆缺乏辨认识别或判定
The Application of Wavelet Analysis for the Welding Line Flaw Detection
小波分析在焊缝缺陷识别中的应用
The Research on the Empty Bottle's Defects Inspecting System Based on DSP;
基于DSP的空瓶缺陷识别问题研究
The Research on Intelligent Recognition of Welding Line Defects on X-ray Film;
X射线底片焊缝缺陷智能识别的研究
Design and Research of Recognition System on Railway Surface Defects;
钢轨表面缺陷识别系统的设计与研究
The Research on the Method of Fuzzy Pattern Recognition for Flaw Classification in Steels;
管材缺陷的模糊模式识别方法的研究
Welding Defect Ultrasonic Test and Idetification Based on LabVIEW;
基于LabVIEW的焊缝缺陷超声检测与识别
Recognition of Flatness for Cold Strip Mill Based on BP Neural Network;
BP神经网络在板形缺陷识别中的应用
Neo-Liberalism and the Theorectical Faults of Washington Consensus;
新自由主义与“华盛顿共识”的理论缺陷
Defect Shape Recognition for 1400F Aluminum Strip Mill;
1400F铝带轧机板形缺陷识别处理
Identifying Problems in Students Lexical Processing of English Texts;
学生阅读理解过程中的词汇知识缺陷
Component defects identification based on decision tree automatic construction
基于决策树自动构造的组装缺陷识别
Development of All-steel Radial Tire Inspection and Defect Recognition System
全钢子午线轮胎缺陷识别系统的研制
