Results 11 to 20 of about 99,658 (218)
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Digital Receiver Design for Transmitted Reference Ultra-Wideband Systems
EURASIP Journal on Wireless Communications and Networking, 2009 A complete detection, channel estimation, synchronization, and equalization scheme for a transmitted reference (TR) ultra-wideband (UWB) system is proposed in this paper.
Wang Yiyin +2 more
doaj +2 more sources
Low-Complexity Chromatic Dispersion Equalization FIR Digital Filter for Coherent Receiver
Photonics, 2022 This paper proposes a novel and efficient low-complexity chromatic dispersion equalizer (CDE) based on finite impulse response (FIR) filter architecture for polarization-multiplexed coherent optical communication systems.
Zicheng Wu +4 more
doaj +1 more source
DSP-Enabled Radio Astronomy: Towards IIIZW35 Reconquest
EURASIP Journal on Advances in Signal Processing, 2005 In radio astronomy, the radio spectrum is used to detect weak emission from celestial sources. By spectral averaging, observation noise is reduced and weak sources can be detected.
Viou Cédric +5 more
doaj +1 more source
WIDEBAND DIGITAL RECEIVER/PULSE ANALYZER
Radio Physics and Radio Astronomy, 2015 The experience of development of a digital receiver/pulse analyzer is described. The measuring set has a modular structure and consists of three functionally independent systems: Radio Frequency Tuner, Digital Pulse Analyzer, and Data Record and Storage ...
V. V. Vynogradov +8 more
doaj +1 more source