Results 21 to 30 of about 94,953 (264)

CipherCAD Testbed [PDF]

open access: yesRadioengineering, 2021
The CipherCAD testbed is a unique workplace for the development, design, testing, verification and teaching of the communications systems. CipherCAD is at the core of the workplace, which is an application primarily designed for solving cryptographic ...
V. Platenka, A. Mazalek
doaj  

MULTIFUNCTIONAL DIGITAL RECEIVER-SPECTROMETER

open access: yesRadio Physics and Radio Astronomy, 2014
A new two-channel digital receiver-spectrometer whose parameters and functional capabilities are optimized to provide its effective use in decameter telescopes, as well as in other systems where high precision and synchronization of measurements are ...
O. Y. Vasilyev   +5 more
doaj   +1 more source

Design of a digital CDMA receiver [PDF]

open access: yesProceedings of the 2003 conference on Asia South Pacific design automation - ASPDAC, 2003
In this work, an attempt has been made to design a Digital Signal Code Division Multiple Accesses Receiver using VHDL [1] [2] and synthesize using Mentor Graphics tools. The receiver is designed for a maximum of three users as per the design specification given for the contest.
I. Vijay Kumar, M. B. Srinivas
openaire   +1 more source

Phase Coherence Technology of Digital MR Console Based on Dual Reference Sources

open access: yesChinese Journal of Magnetic Resonance, 2022
In this article, an effective method to keep the phase coherence between the transmitter and the receiver in digital magnetic resonance (MR) console is proposed. Relying on programmable digital logic, we design two digital reference sources with the same
Wen-shan LIAO   +4 more
doaj   +1 more source

Design of analog front-end for multi-channel dual-band high frequency radar receiver

open access: yesDianzi Jishu Yingyong, 2018
Aiming at the requirement of the hybrid sky-surface network for radar receiver, the design of analog front-end for dual-band multi-channel digital radar receiver based on software radio idea is proposed and implemented.
Li Shijie   +3 more
doaj   +1 more source

USING THE BROADBAND DIGITAL RECEIVERS IN INTERFEROMETER OBSERVATIONS WITH THE URAN NETWORK

open access: yesRadio Physics and Radio Astronomy, 2017
Purpose: The goal of the work is improving the efficiency of interferometric studies of cosmic radio sources at decameter waves. Design/methodology/approach: The URAN interferometer network observations are made usually at frequencies of 20 and 25 MHz
V. A. Shepelev   +4 more
doaj   +1 more source

Chromatic Dispersion Equalization FIR Digital Filter for Coherent Receiver

open access: yesPhotonics, 2021
Chromatic dispersion equalization (CDE) in coherent optical communication systems is extremely critical for subsequent digital signal processing (such as frequency offset estimation and carrier phase recovery).
Zicheng Wu   +4 more
doaj   +1 more source

Digital frontend design for three-bands aliasing RF signals

open access: yesDianzi Jishu Yingyong, 2019
In order to solve the problem of three-band bandpass signal aliasing, a delay-adjustable third-order bandpass sampling structure is proposed. By designing a digital anti-aliasing filter, the alias-free reception of three-band bandpass signals can be ...
Wang Hongmei   +4 more
doaj   +1 more source

True-Time-Delay Receiver IC With Reconfigurable Analog and Digital Beamforming

open access: yesIEEE Access, 2022
Spatial diversity advantages such as improved signal-to-noise ratio and in-band blocker filtering can be achieved through beamforming in the digital and/or analog domain.
Kalle Spoof   +5 more
doaj   +1 more source

A Magnetic Resonance Imaging Receiver Design Based on NI PXIe-7966R

open access: yesChinese Journal of Magnetic Resonance, 2017
A magnetic resonance imaging receiver design based on NI PXIe-7966R is proposed, with which the magnetic resonance signals are sampled directly and down-converted digitally, the raw data are uploaded and the magnetic resonance image are restored.
HU Jin-jie   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy