Results 11 to 20 of about 114,336,196 (274)

All photonic analogue to digital and digital to analogue conversion techniques for digital radio over fibre system applications [PDF]

open access: yes, 2011
Copyright @ 2011 IEEEWideband electronic analogue to digital conversion (ADC) systems have critical problems encountered in high-frequency broadband communication systems that the recent electronic ADCs (EADC) have experienced those such as uncertainty ...
Mehdi Fakhraie, S   +3 more
core   +7 more sources

Lumped time-delay compensation scheme for coding synchronization in the nonlinear spectral quantization-based all-optical analog-to-digital conversion [PDF]

open access: yes, 2013
In this paper, we propose a novel lumped time-delay compensation scheme for the all-optical analog-to-digital conversion based on soliton self-frequency shift and optical interconnection techniques.
Y, Chongxiu   +9 more
core   +1 more source

ANALOG-TO-DIGITAL CONVERSION OF SIGNALS WITH ANGULAR MANIPULATION FOR SOFTWARE DEFINED RADIO SYSTEMS

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
The paper deals with the search of ways for speeding up and accuracy increase of conversion of modern analog-to-digital converters. The main shortcomings interfering a solution of this task including the field of optoelectronic analog-to-digital ...
A. Y. Tsvetkov   +4 more
doaj   +1 more source

Development of a digital signal processing model using a frequency synthesizer and synthesis of quadrature conversion circuits [PDF]

open access: yesE3S Web of Conferences, 2023
An important issue of improving the quality of the functioning of measuring systems is the improvement of the conversion methods and the algorithmization of the processes for eliminating various noises and interferences that arise in the tasks of analog ...
Jumaev Odil   +3 more
doaj   +1 more source

Doubling-resolution analog-to-digital conversion based on PIC18F45K80

open access: yesThe Journal of Engineering, 2014
Aiming at the analog signal being converted into the digital with a higher precision, a method to improve the analog-to-digital converter (ADC) resolution is proposed and described. Based on the microcomputer PIC18F45K80 in which the internal ADC modules
Yueyang Yuan, Chongchang Yang
doaj   +1 more source

Bandpass Sigma–Delta Modulation: The Path toward RF-to-Digital Conversion in Software-Defined Radio

open access: yesChips, 2023
This paper reviews the state of the art on bandpass ΣΔ modulators (BP-ΣΔMs) intended to digitize radio frequency (RF) signals. A priori, this is the most direct way to implement software-defined radio (SDR) systems since the analog/digital interface is ...
Jose M. de la Rosa
doaj   +1 more source

An Innovative Successive Approximation Register Analog-to-Digital Converter for a Nine-Axis Sensing System

open access: yesJournal of Low Power Electronics and Applications, 2021
With nine-axis sensing systems in 5G smartphones, mobile power consumption has become increasingly important, and ultra-low-power (ULP) sensor circuits can decrease power consumption to tens of microwatts.
Chih-Hsuan Lin, Kuei-Ann Wen
doaj   +1 more source

Comparative Study between Duty Cycle Modulation (DCM) and Sigma-Delta (Ʃ∆) Modulation Based on Analog to Digital Conversion [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2023
This paper presents a virtual comparative study between the Analog to Digital Conversion (ADC) based Duty Cycle Modulation (DCM) and Sigma-Delta (Ʃ∆) modulation.
OTAM Steve Ulriche, MOFFO Lonla Bertrand
doaj  

System and Method for Analog-to-Digital Signal Conversion [PDF]

open access: yes, 2022
Example embodiments relate to systems and methods for analog-to-digital signal conversion. One embodiment includes a system for analog-to-digital signal conversion. The system includes an analog input signal.
Timmermans, Martijn   +2 more
core   +2 more sources

The Digital Mystique: A Review of Digital Technology and its Application to Television

open access: yesPrometheus, 1998
This article explores the divergences and convergences and convergences between the worlds of analog and of digital. It reviews some of the basic concepts of digital conversion and then compares and contrasts analog and digital signals, including their ...
A. Michael Noll
doaj   +1 more source

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