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A Chaotic Pulse-Time Modulation Method for Digital Communication [PDF]

open access: yesAbstract and Applied Analysis, 2012
We present and investigate a method of chaotic pulse-time modulation (PTM) named chaotic pulse-width-position modulation (CPWPM) which is the combination of pulse-position-modulation (PPM) and pulse-width modulation (PWM) with the inclusion of chaos ...
Nguyen Xuan Quyen   +2 more
doaj   +4 more sources

Multi-frequency Phase Laser Ranging based on Delta-Sigma Modulation

open access: yesGuangtongxin yanjiu, 2022
In order to solve the problem that the laser satellite terminal can realize the ranging function while completing the communication function, this paper designs a method based on the Delta-Sigma modulation to realize the laser phase ranging, which can ...
Jin-xin ZUO   +6 more
doaj   +3 more sources

Digital modulation method based on perfect binary arrays

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
The aim is to develop the method of information transfer using perfect binary arrays, which is based on their structural and correlation properties. The properties of the equivalence class of perfect binary arrays are presented and proved in the paper ...
Наталія Ігорівна Кушніренко   +1 more
doaj   +5 more sources

Dynamic full-color digital holographic 3D display on single DMD

open access: yesOpto-Electronic Advances, 2021
Digital holography has high potentials for future 3D imaging and display technology. We present a method for a dynamic full-color digital holographic 3D display on single digital micro-mirror device (DMD) with full-color, high-speed and high-fidelity ...
Chonglei Zhang   +2 more
doaj   +1 more source

Single Photon Compressive Imaging Based on Digital Grayscale Modulation Method

open access: yesPhotonic Sensors, 2020
In single-pixel imaging or computational ghost imaging, the measurement matrix has a great impact on the performance of the imaging system, because it involves modulation of the optical signal and image reconstruction.
Chenglong Yuan   +4 more
doaj   +1 more source

Intra-Pulse Modulation Recognition for Fractional Bandlimited Signals Based on a Modified MWC-Based Digital Receiver

open access: yesIEEE Access, 2020
In this paper, we present a modified modulated wideband converter (MWC)-based digital receiver for fractional bandlimited signals, and further propose an intra-pulse modulation recognition method in discrete time fractional Fourier domain (DTFrFD) for ...
Xiaomin Li, Huali Wang, Haichao Luo
doaj   +1 more source

Exploration of Digital Frequency Band System

open access: yesMATEC Web of Conferences, 2016
Digital modulation techniques is a very important method of realizing modern communication. The showing up of Digital modulation techniques promoted the development of modern communication..
Xu Xiaoping, Wang Anqi, Wang Weiqi
doaj   +1 more source

Feasibility Analysis on the Use of Ultrasonic Communications for Body Sensor Networks

open access: yesSensors, 2018
Ultrasonic waves have good propagation in the human body and have been widely applied in biomedical device design without any reported side effects. Therefore, ultrasonic waves can provide an alternative method as an information carrier for body sensor ...
Meina Li, Youn Tae Kim
doaj   +1 more source

Chaotic Communication System with Symmetry-Based Modulation

open access: yesApplied Sciences, 2021
Communication systems based on chaotic synchronization are gaining interest in the area of secure and covert data transmission. In this paper, a novel digital communication technique based on a coherent chaotic data transmission approach is proposed.
Timur Karimov   +4 more
doaj   +1 more source

Low-pass filteration using adaptive delta modulation

open access: yesJournal of Education, Health and Sport, 2017
Linear Delta Modulation (DM) is applicable to processing of signals in digital systems of telecommunication. One of most interesting kind of LDM is Adaptative DM (ADM). This Work presents method of using ADM for low-pass digital filtration.
Arkadiusz Rajs, Mirosław Maszewski
doaj   +3 more sources

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