ultra wide band-uwb-24

ultra wide band-uwb-24




An Ultra Wide Band pHEMT Low Noise Amplifier With Darlington Stage
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ABSTRACT A 2-stage Ultra Wide Band (UWB) low noise am-plifier (LNA) with Darlington stage using 0.25 um GaAs pHEMT technology is proposed. Ultra wide band operation is achieved by using shunt feedback and Darlington stage. The LNA obtains an average

Noise Analysis of an Ultra Wide Band FMCW Ranging Receiver
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ABSTRACT This thesis, analyses the performance of an Ultra Wide Band (UWB) Frequency Modulated Continuous Wave (FMCW) ranging system in the presence of additive white Gaussian noise (AWGN). The distortion of the UWB FMCW signal s phase, due to noise,

On Ultra Wide-Band Indoor Location System
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X Chen ,asaas.org ABSTRACT. The structure of the Ultra Wide-Band (UWB) indoor location system is introduced firstly in the paper. Secondly the test environment is described in detail. Finally, the test results of the system are given out. It proposes reference value for researchers who are

Research and Application of Ultra-Wide-Band Radio-Frequency Method Used for PD Location in Transformers
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SS Zheng,  WZ Chang ,cigre.org SUMMARY Locating partial discharge (PD) sources accurately in power transformers is of great importance for insulation condition assessment and diagnosis. Acoustic method and electrical method nowadays often fail to locate PD because of low sensitivity and poor

Active Inductor based Low Noise Amplifier for Ultra Wide Band Receiver
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ABSTRACT In this paper a three stage Active Inductor (AI) based Low Noise Amplifier (LNA) for Ultra Wide Band (UWB) receiver is presented. A fully differential topology has been adopted in order to improve the circuit robustness against unwanted common mode

Timing Acquisition for Differential Transmitted Reference (DTR) Ultra Wide Band (UWB) Receivers: Architecture, Performance Analysis and System Design
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M Di Renzo, F Graziosi ,gtti.it ABSTRACT In –[3] we have presented a new two–step timing acquisition algorithm, we have outlined the suitability of Differential Transmitted Reference (DTR) receivers for Ultra Wide Band (UWB) timing acquisition in multipath channels and we have developed a general

Ultra Wide Band of Semiconductor Electrooptic Modulator Devices for high Transmission Capacity
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ANZ Rashed ,sestindia.org ABSTRACT The rapid growth of data traffic, caused mainly by increasing use of the Internet including recent expanded use of multimedia services and wireless access, has stimulated the demand for high-capacity photonic network systems. High capacity optical networks

An Assessment of Ultra Wide Band As an Alternative Controller for Bluetooth to Support High Rate Applications on Battery Powered Devices
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HN Elmahdy, IA Saroit ,shadykhalifa.freehostia.com ABSTRACT Bluetooth is a low-cost, low-power wireless technology initially designed for cable replacement. With the new mobile lifestyle based on battery powered devices, Bluetooth came short in satisfying the needs of the high-rate applications due to its limited data rate.

Three-Dimension Localization Method based on Time Difference Of Arrival for Ultra Wide Band Systems
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KI KOSSONOU, Y EL HILLALI, M BOCQUET ,ipin2011.dsi.uminho.pt ABSTRACT Several techniques have been developed for position location in a two dimension (2-D) system but few techniques have been done in a three dimension (3-D) context. Some of the techniques and algorithms proposed for 3-D are often subject to accuracy problems.

Application Potential of Ultra-Wide Band Radar for Detecting Buried Obstructions in Construction
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J ZOU, M LU, R KARUMUDI ,rebar.ecn.purdue.edu ABSTRACT The need of sustainable urbanization drives construction engineers to explore the underground space to improve quality of life, meet with the challenges of population growth, and satisfy increasing infrastructure demands for utility pipelines and subways.

Investigation of the suitability of Ultra Wide Band in military scenarios
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ABSTRACT This thesis report includes a literature study on Ultra Wide Band (UWB) signals. From the results of this study and additional measurements, the feasibility of using off-the- shelf UWB radios as wire replacements in the product lines made by Thales Huizen, is

Ultra-Wide Band Antenna Designs for Multi-sensor Adaptative Ground-Penetrating Impulse Radar
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AS Turk, E Kurt, M Sezgin ,mehmetsezgin.net ABSTRACT In this paper, the planar and 3-D compact size UWB antenna types are investigated for EMI sensor adaptative hand-held impulse GPR system. On this scope, the bow tie, TEM horn and Vivaldi antenna models are designed and implemented. The Partial Dielectric-

CODING AND OPTIMIZATION FOR ULTRA-WIDE BAND WIRELESS COMMUNICATIONS
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Ultra-Wide Band Impulse Radio (UWB-IR) is a mechanism of transmission to exploit a large amount of unlicensed bandwidth allocated by the Federal Communications Commission (FCC) for high data rate communications [Fed]. According to the definition of FCC, a

Elimination of scan impedance anomalies in ultra-wide band phased arrays of differentially fed tapered slot antenna elements
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Scan impedance anomalies are associated to phased arrays. There are different phenomena in order to explain these scan blindnesses produced when the array scans at one frequency and one angle. The most popular technique for eliminating these scan

Application of Ultra Wide Band Radar for Multiple Human Tracking with CLEAN Algorithm
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S Thales ,ap-s.ei.tuat.ac.jp ABSTRACT We track multiple human subjects using ultra-wide band (UWB) radar based on their target signatures. To resolve the correspondence problem, the use of CLEAN algorithm is proposed. Walking two human subjects are measured by UWB radar. The feasibility of

Design and implementation of ultra-wide-band CMOS LC filter LNA
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J GAUBERT, M BATTISTA, O FOURQUIN ,intechopen.com Demand for low cost and high data-rate wireless communication systems is increasing. Since the FCC has authorized communication in the 3.1 GHz to 10.6 GHz frequency band, several technologies have been developed to satisfy the communication market. Typically,

ANALYSIS AND DESIGN OF TWO LAYERED ULTRA WIDE BAND PASS FILTER WITH WIDESTOP BAND
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D Packiaraj ,ece.iisc.ernet.in ULTRA WIDE BAND PASS FILTER WITH WIDE STOP BAND by Abstract Design of an Ultra wide band (UWB) filter over 3.1GHz to 10.6GHz using broad side coupled lines and spur lines in microstrip medium suitable for UWB communications has been presented in this Project.

An Ultra wide Band coaxially fed monopole antenna integrated into an Universal Serial Bus device
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Stephen Boyes Yang Lu Achim Maisenbacher Yi Huang Anja K. Skrivervik Antonio A. Moreira An Ultra wide Band coaxially fed monopole antenna integrated into an Universal Serial Bus device

Compact Planar Filter for Ultra Wide Band Applications
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ABSTRACT The paper presents a maximally flat compact planar filter for ultra wide band applications. In order to get strong coupling between the input and output line an interdigitated structure is employed. On the other hand, transmission zeros are produced

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