| 1. | Fatigue crack detection based on electromagnetic testing
基于电磁检测原理的疲劳裂纹检测方法 |
| 2. | A method for detecting surface crack based on computer image identifiation
基于计算机图像识别的表面裂纹检测方法 |
| 3. | Numerical simulation of crack detection in pipes using ultrasonic longitudinal guided - wave
管道超声纵向导波裂纹检测数值模拟 |
| 4. | In addition to normal ndt methods , some advanced techniques such as x - ray real - time imaging and eddy current inspection are also introduced
采用的方法除常规的无损检测方法外，还包括x射线实时成像检测和电磁涡流表面裂纹检测等方法。 |
| 5. | It is important to evaluate accurately the longevity of the part by advance the efficiency of using ae method on detecting crack in fatigue test
改进及提高声发射技术对疲劳试验状态下的裂纹检测效率和精度，是准确评估直升机各重要构件寿命的关键。 |
| 6. | To testify ae ' s prediction function , we use the acoustic emission in a great deal of fatigue experiments , and have attained experiential data which can be included in the ae features database . the building of ae features database is investigated
?通过大量的实验，对声发射技术在直升机部件疲劳裂纹检测中的应用进行研究，验证了应用声发射技术进行监测所起到的预警作用，获得的大量实验数据可作为经验数据纳入到声发射特性参数数据库中。 |
| 7. | In this paper , the author applied bp algorithm in this subsystem , and a model of crack detection of glass bottle is described . this model enables the detection system to enhance the capabilities of auto - learning and auto - adapting greatly by overcoming the weakness of the worse adaptability of adapting the change of the environment and the worse tolerance to mistakes of the new information
本论文将bp算法应用于该子系统中，建立了基于bp神经网络的“玻璃瓶口裂纹检测模型” ，克服了原算法对环境变化适应的灵活性和对新信息的容错性较差的弱点，从而使该检测系统的自学习、自适应能力大大增强了。 |
| 8. | After reading a large amount of domestic and international about shaft research materials , the thesis combines the concrete experimental condition of the laboratory , and the crankshaft crack modal parameter characteristic go on the theoretical research at different depth different position to smoothshaft , experimental study , test data processing , diagnose system developing work ect
本论文在阅读了大量国内外关于轴裂纹检测的研究资料后，结合实验室的具体试验条件，对光轴和曲轴裂纹在不同深度不同位置时模态参数特性进行理论研究、试验研究、试验数据处理、诊断系统开发等工作。 |
| 9. | This paper , firstly , introduces some basic nondestructive tests , shows the background of the subject about the test for the defect of sucker rod , by comparing with the other nondestructive tests , proves the advantage of eddy - current test , then beginning with maxwell equation in electromagnetic field theory and combining with the idea model of defect , this paper proves that the feasibility of eddy - current test technology in multi - parameter and multi - frequency which applied in the test for for the defect of sucker rod
本文首先介绍了无损检测技术的几种典型方法，并给出了抽油杆裂纹检测这个课题的背景，通过同其它几种无损检测技术的比较，给出了电涡流技术的优越性。然后从电磁场理论中的麦克斯韦方程出发，结合裂纹的理想模型，从理论上证明了电涡流多频率多参数检测技术在抽油杆裂纹检测中的可行性。 |
| 10. | Crack detection system of glass bottles is a subsystem of computer vision detection system on - line of glass products . the whole system was developed by the cooperation of the electronic technique research institute of guangxi normal university and guilin glass factory . in the course of test , the writer found that the subsystem possesses worse adaptability of adapting the change of the environment and worse tolerance to mistakes of the new information
“玻璃瓶口裂纹检测系统”是广西师范大学电子技术研究所与桂林市玻璃厂联合开发的“玻璃制品的计算机视觉在线检测系统”的一个子系统，笔者在调试过程中发现，该子系统对环境变化适应的灵活性和对新信息的容错性较差，这主要是由于该子系统目前所采用的算法不具备自学习、自适应的能力所造成的。 |
