نتایج جستجو برای: centralized signal processing

تعداد نتایج: 828505  

2007
Qing Zhao Rajit Manohar Robert Ulman Venugopal V. Veeravalli

T he primary design objective of computing and communication systems has been performance: the speed of signal processing, the rate of communications, and the optimization of quality of service. For wireless systems and networks deployed on a large scale and untethered to power sources, practical considerations dictate a dif ferent design regime, one that should be dominated by energy and bandw...

Journal: :J. Inform. and Commun. Convergence Engineering 2013
Hee-Hyol Lee

In accordance with the increase of vehicles recently, traffic congestion has become a serious problem. In urban areas, almost all traffic congestion occurs at intersections. Intersections can be classified into three types according to the number of roads meeting at the intersection: T-junction (3-way intersection), Crossroads (4-way intersection), and Multi-way intersection (more than 4 ways)....

1998
JOHN POTTER

Acoustic signal extraction and identiication in the underwater environment is best achieved by adaptive methods as the signals encountered are generally non-stationary and corrupted by unpredictable noise sources, such as man-made noise, biological and seismic noises. While classical methods often fail in such an environment, the recent use of mul-tiresolution methods like the adaptive wavelet ...

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...

Propagation of radio occultation (RO) signals through the lower troposphere results in high phase acceleration and low signal to noise ratio signal. The excess Doppler estimation accuracy in lower troposphere is very important in receiving RO signals which can be estimated by sliding window spectral analysis. To do this, various frequency estimation methods such as MUSIC and ESPRIT can be adopt...

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