Results 11 to 20 of about 2,264 (115)
Research on L-band wideband RF digital receiver and demodulator
Dianzi Jishu Yingyong, 2021 L-band radio frequency is in the range of 1 GHz~2 GHz，which is widely used in rader, communication and navigation. The main research content of this paper is to design an L-band broadband, high dynamic RF digital receiver using RF digital receiver ...
Tang Bo, Li Lu
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Design of a digital CDMA receiver [PDF]
Proceedings 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 +2 more sources
Design of analog front-end for multi-channel dual-band high frequency radar receiver
Dianzi 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
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Phase Coherence Technology of Digital MR Console Based on Dual Reference Sources
Chinese 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
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USING THE BROADBAND DIGITAL RECEIVERS IN INTERFEROMETER OBSERVATIONS WITH THE URAN NETWORK
Radio 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
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Digital frontend design for three-bands aliasing RF signals
Dianzi 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
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Chromatic Dispersion Equalization FIR Digital Filter for Coherent Receiver
Photonics, 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
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True-Time-Delay Receiver IC With Reconfigurable Analog and Digital Beamforming
IEEE 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
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MULTIFUNCTIONAL DIGITAL RECEIVER-SPECTROMETER
Radio 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
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A Magnetic Resonance Imaging Receiver Design Based on NI PXIe-7966R
Chinese 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
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