نتایج جستجو برای: planar frames

تعداد نتایج: 121092  

Journal: :REM - International Engineering Journal 2023

The current advanced analysis techniques for steel frames generally use structural analyses with geometric and material nonlinearities to capture the collapse strength of frame. Unfortunately, true a frame cannot be predicted accuracy because uncertainties most significant design variables. Building codes structures apply resistance factor account present in variables thus ensure target level r...

1995
Subutai Ahmad

This paper presents a computer vision system for tracking human hands. The algorithms used to extract the 3D position and planar orientation of the hand, and the joint angles of the ngers are described. The combined system is able to track a natural hand at 30 frames per second on a standard workstation with no special image processing hardware other than a frame grabber. The tracker has been u...

Journal: :bulletin of the iranian mathematical society 2011
a. najati a. rahimi

The theory of  continuous frames in Hilbert spaces is extended, by using the concepts of measure spaces, in order to get the results of a new application of operator theory.  The $K$-frames were  introduced by G$breve{mbox{a}}$vruta (2012) for Hilbert spaces to study atomic systems with respect to a bounded linear operator. Due to the structure of  $K$-frames, there are many differences between...

$K$-frames which are generalization of frames on Hilbert spaces‎, ‎were introduced‎ ‎to study atomic systems with respect to a bounded linear operator‎. ‎In this paper‎, ‎$*$-$K$-frames on Hilbert $C^*$-modules‎, ‎as a generalization of $K$-frames‎, ‎are introduced and some of their properties are obtained‎. ‎Then some relations‎ ‎between $*$-$K$-frames and $*$-atomic systems with respect to a...

Extending and improving the concepts: woven frame and fusion frames, we introduce the notion of woven fusion frames in Hilbert spaces. We clarify our extension and generalization by some examples of woven frames and woven fusion frames. Also, we present some properties of woven fusion frames, especially we show that for given two woven frames of sequences, one can build woven fusion frames and ...

Fusion frames are valuable generalizations of discrete frames. Most concepts of fusion frames are shared by discrete frames. However, the dual setting is so complicated. In particular, unlike discrete frames, two fusion frames are not dual of each other in general. In this paper, we investigate the structure of the duals of fusion frames and discuss the relation between the duals of fusion fram...

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