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�������պ����ѧѧ�� 2007, Vol. 33 Issue (02) :214-218    DOI:
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���, ����, ���, ����*
�������պ����ѧ ��е���̼��Զ���ѧԺ, ���� 100083
Design technique based on CDD function for industrial CT system
Wei Dongbo, Fu Jian, Li Bing, Zhang Lei*
School of Mechanical Engineering and Automation, Beijing Univers ity of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ ��ҵ�������������(ICT,Industrial Computed Tomography)��һ���Ƚ��ķǽӴ�ʽ���� ��⼼��,���и��Ӿ��ܡ���ͨ�ú͸߳ɱ����ص�,��Ҫ�����û��ľ�����������ж��� ����,�Խ���ϵͳ�з����պͳɱ�.Ϊ��,������о���һ�ֻ��ڶԱȶ�-ϸ��-����(CDD ,Contrast-Detail-Dose)������ICTϵͳ��Ƽ������.�ݴ�,�Ƶ�������������άICT ϵͳ����CDD���������ƽ̨,��������������.�������������CDD�����ļ�������� ���(CAD,Computer Aided Design)ģ�顢����������άICT�������ַ���ģ���CTͼ�� ��������ģ��3����.����������DZ����û��������ij�ʼ��Ʋ���,��������������û� �����������Ž�.��ʼ��Ʋ������Ƚ���CADģ��������ܿ���;�������Ҫ��,�ٽ���� ��ģ����ɷ��濼��;���,�Է�����������������,�õ���Ʋ�����Ӧ��ϵͳ����ָ�� .���������͹���ϵͳ���������֤�˸���Ƽ�������Ч��.
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Abstract�� Industrial computed tomography(ICT) is an advanced, non-contact and non-destructive testing method. It is complicated, non-universal and expe ns ive. It is necessary to make the custom development to reduce the risk and the c ost. A kind of design technique frame based on the contrast-detail-dose(CDD) fu nction was proposed for the development of ICT system. According to this frame, t he design method for fan-beam 3rd generation two dimensional ICT(2D-ICT) was d ed uced and the corresponding software platform was implemented which is consisted of three parts. They are the computer aided design(CAD) part based on the CDD func tion, the simulation part and the performance evaluation part. The initial desig n parameters firstly entered the CAD part. They secondly entered the simulation part if they passed the CAD check. The simulation results were finally evaluated by the evaluation part. The validity of the proposed method was proved by the computer simulation and the example of the engineering development.
Keywords�� industrial computed tomography   system design   contrast-detail-dose function   simulation   performance evaluation     
Received 2006-09-30;


About author: ��� (1952-),��,���������,������, weidongbo1019@buaa.edu.cn.
κ����, ����, ���, ����.����CDD������ICTϵͳ��Ƽ���[J]  �������պ����ѧѧ��, 2007,V33(02): 214-218
Wei Dongbo, Fu Jian, Li Bing, Zhang Lei .Design technique based on CDD function for industrial CT system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(02): 214-218
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