نتایج جستجو برای: time to amplitude converter tac

تعداد نتایج: 10901915  

ژورنال: علوم آب و خاک 2005
علی محمدی ترکاشوند, , محمود کلباسی, , حسین شریعتمداری, ,

Lintz-Donawitz (LD) converter slag, a by-product of the iron and steel-making industry is produced in large quantities in Isfahan, Iran. The slag contains 52.8 and 2.2% (w/w) CaO and MgO, respectively. To determine the influence of LD slag on the chemical characteristics of three acid soils from Gilan, an incubation study was conducted. The soil samples were collected from 0-30 cm of rice and t...

2004
S. Francesca C. Shearer R. T. Pedlow D. S. F. Crothers

Computer simulation has become increasingly important over the last 50 years for modelling and solving different ideas within science. One area in science that computer simulation and its applications is extensively used is Ion-Atom collisions. There are many different aspects to these collisions but this poster will concentrate on measuring the Triply Differential Cross Section (TDCS) for sing...

The purpose of this paper is to present an efficient converter circuit used to drive switched reluctance motors. It uses the C-dump topology in which the trapped energy in the phase windings is returned to the supply capacitor to be used in the following strokes. In addition to the C-dump topology, it uses two extra feedbacks. One comes from a governor mounted on the shaft of motor which contro...

2001
Ben Johannesen Carlos Leung Chris O’Brien

I declare that the work submitted in this thesis is my own, except as acknowledged, and has not previously submitted as a degree at the University of Queensland or any other institution. To Mum and Dad, for their love, encouragement and the sacrifices they have made to make my Engineering Degree and this Thesis possible. iv Acknowledgments The completion of this thesis would not have been at al...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده جغرافیا 1392

adolescents and young adults and their problems is an issue whose importance is obvious to anyone because youth are the founders of our countrys future and requires proper planning to be on leisure. given the importance of leisure,this study to investigate needs assessment and planning how adolescents and young adults spend their leisure time in urban of case study of high school girls and boys...

2018
Henry Bernstein

................................................................................................................... 2 ACKNOWLEDGEMENTS ............................................................................................... 4 CHAPTER I .................................................................................................................... 6 Introduction to Brain Stimulation ....

2016
Samar Hussein

This paper presents the design of a Rotary Traveling Wave Oscillator (RTWO) at 85GHz. The oscillator can be useful in imaging applications. It is implemented in 65nm commercial CMOS technology. The total area of the oscillator is 0.185x0.185 mm. The total power consumption is 25 mA out of 1.5 V supply. Keywords-Rotary Traveling Wave Oscillator, Imaging Applications, Distributed Oscillators ____...

2017
J. P. Sanjurjo Enrique Prefasi Cesare Buffa Richard Gaggl

The use of MEMS sensors has been increasing in recent years. To cover all the applications, many different readout circuits are needed. To reduce the cost and time to market, a generic capacitance-to-digital converter (CDC) seems to be the logical next step. This work presents a configurable CDC designed for capacitive MEMS sensors. The sensor is built with a bridge of MEMS, where some of them ...

1999
F. Coppinger A. S. Bhushan

We demonstrate a new concept for analog-to-digital (A/D) conversion based on photonic time stretch. The analog electrical signal is intensity modulated on a chirp optical waveform generated by dispersing an ultrashort pulse. The modulated chirped waveform is dispersed in an optical fiber, leading to the stretching of its envelope. We have derived analytical expressions for the stretch factor an...

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