Results 101 to 110 of about 88,237 (307)

Application of Delta-Modulation to Television Systems [PDF]

open access: yes
Digital methods of pulse modulation are being widely applied in the transmission of information over communication networks. The thesis is primarily concerned with one specific class of pulse modulation called delta-modulation.
Hawksford, Malcolm J.
core  

Sigma-Delta Based Modulation Method for Matrix Converters

open access: yes, 2018
This paper presents a new modulation method for matrix converters control, based on Sigma-Delta modulation. The method employs a Sigma-Delta modulator, equipped with a quantizer with time-variable reference levels.
Simone Orcioni   +4 more
core   +1 more source

Strain‐Programmable Luminescent Adhesive Patch With Tartrazine‐Mediated Optical Skin Clearing for Photochemical Tissue Bonding

open access: yesAdvanced Functional Materials, EarlyView.
We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim   +6 more
wiley   +1 more source

PENGEMBANGAN SISTEM DELTA MODULATION KE PEMODELAN SIGNAL CONVERSION DELTA-SIGMA MODULATION

open access: yes, 2018
To establish the level of the digital pulse from an analog signal after conversion system, it is required a digitalmodulation system with fast and reliable bit rate in every bit build digital stream.
Sirmayanti, Sirmayanti   +2 more
core  

Optimised synchronised discrete delta modulation scheme for UPS applications

open access: yes, 1995
The concept and results of a new optimised synchronised discrete delta modulation (SDDM) scheme suitable for DC-AC power conversion in uninterruptible power supply (UPS) applications are presented. Unlike the traditional delta modulation scheme, the SDDM
Sathiakumar, S, Hui, SYR
core   +1 more source

MODULASI DELTA

open access: yesTechne, 2011
Modulasi Delta merupakan salah satu dari beberapa macam modulasi digital yang merupakan suatu teknik konversi sinyal analog to digital yang digunakan untuk transmisi informasi suara.
Budihardja Murtianta
doaj  

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner   +14 more
wiley   +1 more source

The Role of Ultra‐Thin Buffer Layers for Achieving Ultra‐Low Dark Currents in Single‐Component Organic Photodetectors

open access: yesAdvanced Functional Materials, EarlyView.
Here, SubNc single‐component organic photodiodes (SC‐OPDs) are investigated, which achieve highly competitive performance metrics, including high EQE, ultra‐low JD, and high specific detectivity (D*). This study emphasizes the critical role of an organic buffer layer in studying the interface energetics and effects to achieve state‐of‐the‐art ...
Anncharlott Kusber   +12 more
wiley   +1 more source

Tissue‐Stimulator Platform for Electrically Stimulating Pancreatic β‐Cells for Long‐Term Functional Regulation

open access: yesAdvanced Functional Materials, EarlyView.
We present a tissue‐stimulator platform for seamless electrode integration with pancreatic tissue, applying uniform electrical stimulation through optimized design with biohybrid 3D printing. Advantageous effects of electrical stimulation on β‐cell function were observed, including enhanced calcium signaling, islet morphology, and maturation.
Jihwan Kim   +7 more
wiley   +1 more source

Ergodic achievable rate analysis of one-bit sigma-delta modulated all-digital massive MIMO system

open access: yesDianxin kexue
The all-digital massive multiple-input multiple-output (MIMO) system has a wide range of application prospects in mobile communication due to its advantages such as low cost, strong signal processing capability, and flexible configuration.
HU Anzhong, HUANG Lijun
doaj  

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