نتایج جستجو برای: centralized signal processing

تعداد نتایج: 828505  

The main purpose of this paper is to develop the method of characteristic functions for calculating the detection characteristics in the case of the object surrounded by rough surfaces. This method is to be implemented in synthetic aperture radar (SAR) systems using optimal resolution algorithms. By applying the specified technique, the expressions have been obtained for the false alarm and cor...

Amin Noori, Mandana Sadat Ghafourian, Niloofar Zarif Sagheb Akbarpoor,

Epilepsy is the most common brain diseases that cause many problems in the daily life of the patient. In most attempts to automatic detection, the attack used an EEG. In this paper, The complete data set consists of five sets recorded from normal and epileptic patients. Each set containing 100 single-channel EEG segments. Here we used first and last sets (A and E). Set A consisted of segments r...

2007
Kallirroe Flouri Baltasar Beferull-Lozano Panagiotis Tsakalides

The design of an integrated distributed wireless network comprised of thousands of microsensors that can perform tasks with low energy consumption poses some interesting signal processing challenges. In this paper, we propose two “selective gossip algorithms” taking advantage of the sparse representation that Support Vector Machines (SVMs) provide for the decision boundaries, to perform classif...

Journal: :IEEE Trans. Education 2002
Jeff Frolik Thomas M. Weller

As a means of increasing the awareness of the sensing sciences among undergraduates, a novel design course has been developed by the Tennessee Technological University and the University of South Florida. Students study, design, fabricate, and test a wireless-based sensor system that relays data over a radio-frequency link for centralized processing. Weekly seminars on applicable topics in tele...

Journal: :رادار 0
امیر زعیم باشی عباس شیخی مصطفی درختیان

this paper addresses the signal processing principles in passive bistatic radar (pbr) systems. in this case, the detection problem in the presence of system noise, clutter/multipath, direct signal and interfering target signals is investigated. to this light, two types of detectors are studied. in the first one, which is based on intuitive sense, we examine two detectors. in the second type det...

Sidelobe blanking (SLB) is a technique employed in radar signal processing to inhibit detection when an unwanted signal enters the radar receiver through antenna sidelobes. For this purpose, an auxiliary antenna and receiver channel are used in the radar system. Comparing the main antenna and auxiliary antenna signal strength, a decision is made for blanking the main channel output. In this pap...

براری, مرتضی , قهرمانی, حمزه ,

Abstract- Suppressing clutter is one of the most crucial phases in radar signal processing. Also, Blind Source Separation (BSS) is one of the recent and very important problems in signal processing that shows its efficiency in many applications. Degenerate Unmixin Estimation Technique (DUET) is one of the Underdetermined BSS algorithms that separate sources from mixtures using only two mixtures...

Maia Angelova, Sujan Rajbhandari, Zabih Ghassemlooy,

Artificial neural network (ANN) has application in communication engineering in diverse areas such as channel equalization, channel modeling, error control code because of its capability of nonlinear processing, adaptability, and parallel processing. On the other hand, wavelet transform (WT) with both the time and the frequency resolution provides the exact representation of signal in both doma...

2007
Jean-Luc Dugelay Kenneth Rose Wan-Chi Siu Michael G. Strintzis Tomohiko Taniguchi Sergios Theodoridis Takao Nishitani Giulio Agostini Maurizio Longari Emanuele Pollastri Andreas Spanias Walter Kellermann Tung-Lin Wu Itheri Yahiaoui Bernard Merialdo Christophe Parisot Marc Antonini Tianli Chu Zixiang Xiong

This is a special issue published in volume 2003 of " EURASIP Journal on Applied Signal Processing. " All articles are open access articles distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Recent years have seen the emergence of a variety of new multimedia (text...

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