نتایج جستجو برای: signal change

تعداد نتایج: 989179  

G. Ghodrati Amiri, M. Talebi,

With the development of the technology and increase of human dependency on structures, healthy structures play an important role in people lives and communications. Hence, structural health monitoring has been attracted strongly in recent decades. Improvement of measuring instruments made signal processing as a powerful tool in structural heath monitoring. Wavelet transform invention causes a g...

Journal: :iranian journal of medical sciences 0
masoud shayesteh azar department of orthopaedics, imam khomeini hospital, mazandaran, iran seyed ahmad shahab kowsarian department of orthopaedics, imam khomeini hospital, mazandaran, iran mohammad ali mohseni-bandpei department of orthopaedics, imam khomeini hospital, mazandaran, iran atefeh hadian department of orthopaedics, imam khomeini hospital, mazandaran, iran

kienbock's disease, which is an idiopathic osteonecrosis and collapse of the lunate bone, is an uncommon disease in children. this report describes a case of an 11-year-old girl, who presented with avascular necrosis of lunate bone confirmed by radiographic and magnetic resonance imaging evidence. after a short period of casting, the case was fully recovered within one year. the signal change w...

Ali Khatibi Amir Hossein Batouli Hamed Dehghani Mohammad Ali Oghabian,

Introduction: Today, clinicians and neuroscientists need to have a comprehensive survey of neurological pathologies and injuries. For the First-time, SEEP contrast and Spin-Echo pulse sequences was used for functional imaging of the Lumbar spinal cord. This method used by several research groups for Spinal cord mapping, but other researchers tried to improve BOLD fMRI to Spina...

Journal: :international journal of industrial engineering and productional research- 0
alireza sharafi m.s.c. department of industrial engineering, amirkabir university majid aminnayeri associate prof. department of industrial engineering, amirkabir university amirhossein amiri assistant professor. department of industrial engineering, faculty of engineering, shahed university mohsen rasouli m.s. student. department of industrial engineering, isfahan university of technology

identification of a real time of a change in a process, when an out-of-control signal is present is significant. this may reduce costs of defective products as well as the time of exploring and fixing the cause of defects. another popular topic in the statistical process control (spc) is profile monitoring, where knowing the distribution of one or more quality characteristics may not be appropr...

Journal: :Proceedings of the National Academy of Sciences 2008

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