The presented paper exhibits the design configuration of Microstrip Line (MS)-fed and Co-Planar Waveguide (CPW)-fed symmetrical staircase shaped, planar monopole Ultra Wideband (UWB) antennae with WLAN band rejection characteristic having sized 30x30x1.6mm. The staircase pattern in the radiating patch and the feed line’s Ushaped slot are used to achieve the UWB and notch the 5GHz WLAN band, res...

Since the reconstruction of continuous speech from voice packets is complicated by the variable delays of packets through the network, delay variability is an important measure of performance for voice packet networks. A dynamic priori@ protocol designed to minimize the Variability of packet delays is proposed. The protocol allows the priority of a packet to vary with time. Two examples of dyna...

OBJECTIVE To investigate how bracket slot size affects the direction of maxillary anterior tooth movement when en-masse retraction is performed in sliding mechanics using an induction-heating typodont simulation system. METHODS An induction-heating typodont simulation system was designed based on the Calorific Machine system. The typodont included metal anterior and resin posterior teeth embe...

This paper presents an analysis of the vibrational behavior of a deep groove ball bearing with a structurally integrated force sensor. The miniaturized force sensor, accommodated within a slot on the bearing’s outer ring, provides on-line condition monitoring capability to the bearing. Analytical and finite element models were developed to predict the sensor output due to bearing dynamic load a...

We introduce the notion of task-specific information (TSI) to quantify the performance of imaging systems. We demonstrate the utility of TSI for evaluating the performance of conventional and projective imagers for a detection task. c © 2007 Optical Society of America OCIS codes: 110.3000,110.4280,200.3050.

Virtual Output Queuing is widely used by fixedlength high-speed electronic switches to overcome head-of-line blocking. This is done by means of matching algorithms. These matching algorithms have typically been cell-based. That is, in every time slot, a new matching set is calculated and the switch fabric is updated to connect matched inputs and outputs. Fabric reconfiguration in an optical swi...

Radial line slot antennas (RLSAs) are well known as high-efficiency planar antennas in high-gain region for the circular polarization [1]. Figure 1 shows the structure of a general RLSA. A radial waveguide is composed of two parallel circular metal plates. An electromagnetic power is fed from the center and excites a slot array on the top plate. To obtain a pencil beam, the radiating elements a...

The designs of dual band microstrip patch antennas because of their multi-functionality are becoming popular. Satellite mobile and fixed communication for Space Research, Met. Satellite, Radiolocation, Meteorological aids, aeronautical Radio navigation data and analysis has got lot of attentions in the recent years. Achieving selected multiband operation requires precise bandwidth and mutually ...

Abstract— The paper presents the design and performance measures of a printed stepped patch monopole antenna with semi-elliptical ground plane and band notch for ultra wideband applications. The proposed antenna operates in the frequency range 3.15 ~ 12.2 GHz with average gain of 4.27 dBi. Inverted U shaped slot is introduced in the feed line for WLAN band rejection and the rejection band range...

This paper shows the comparative analysis of a cylindrical dielectric resonator antenna (CDRA) fed by nonresonant microstrip patch and a proximity-fed planar annular slot (PPAS) antenna. The antenna array having an antenna element for higher directive gain at the center frequency 9.04 GHz. The band-notch is detained by almost a half-wavelength split-ring parasitic element printed around the rad...