نتایج جستجو برای: signal detection

تعداد نتایج: 939033  

H. Saeedi, M. Modarres-Hashemi and S. Sadri,

With progress in radar systems, a number of methods have been developed for signal processing and detection in radars. A number of modern radar signal processing methods use time-frequency transforms, especially the wavelet transform (WT) which is a well-known linear transform. The interference canceling is one of the most important applications of the wavelet transform. In Ad-hoc detection met...

A. M. Takbash E. Mazaheri-Tehrani J. J. Faiz,

The use of efficient signal processing tools (SPTs) to extract proper indices for the fault detection in induction motors (IMs) is the essential part of any fault recognition procedure. The 2nd part of this two-part paper is, in turn, divided into two parts. Part two covers the signal processing techniques which can be applied to non-stationary conditions. In this paper, all utilized SPTs for n...

Journal: :Psychological Science 2014

The problems of sequential change-point have several important applications in quality control, signal processing, and failure detection in industry and finance and signal detection. We discuss a Bayesian approach in the context of statistical process control: at an unknown time  τ, the process behavior changes and the distribution of the data changes from p0 to p1. Two cases are consi...

H. Saeedi, M. Modarres-Hashemi and S. Sadri,

With progress in radar systems, a number of methods have been developed for signal processing and detection in radars. A number of modern radar signal processing methods use time-frequency transforms, especially the wavelet transform (WT) which is a well-known linear transform. The interference canceling is one of the most important applications of the wavelet transform. In Ad-hoc detection met...

Journal: :international journal of advanced design and manufacturing technology 0
raj kumar patel madan mohan malaviya university of technology v. k. giri

induction motor bearing is one of the key parts of the machine and its analysis and interpretation are important for fault detection. in the present work vibration signal has been taken for the classification i.e. bearing is healthy (h) or defective (d). for this purpose, clustering based classification of bearing vibration data has been carried out using principal component analysis (pca) and ...

Journal: :The Journal of the Acoustical Society of America 1959

Journal: :Journal of Physics: Conference Series 2021

Journal: :journal of research in medical sciences 0
ali reza mehri dehnavi department of medical physics and engineering, school of medical, isfahan university of medical sciences, isfahan, iran iman farahabadi department of medical physics and engineering, school of medical, isfahan university of medical sciences, isfahan, iran hossain rabbani department of medical physics and engineering, school of medical, isfahan university of medical sciences, isfahan, iran amin farahabadi department of medical physics and engineering, school of medical, isfahan university of medical sciences, isfahan, iran mohamad parsa mahjoob school of medicine, jahrom university of medical sciences, jahrom, iran nasser rajabi dehnavi saee hospital, isfahan university of medical sciences, isfahan, iran

background: various techniques are used in diagnosing cardiac diseases. the electrocardiogram is one of these tools in common use. in this study vectorcardiogram ) vcg ( signals are used as a tool for detection of cardiac ischemia. methods: vcg signals used in this study were obtained form 60 patients suspected to have ischemia disease and 10 normal candidates. verification of the ischemia had ...

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