Results 21 to 30 of about 88,416 (262)
High Performance Broadcast Receiver Based on Obsolete Technology
Sensors, 2022 Since its inception, the electronics industry has mass-produced equipment. The fast evolution of electronic technologies made obsolete the entire generation of products and even technologies.
Laurenţiu Teodorescu, Gabriel Dima
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Effects of Interference and Mitigation Using Notch Filter for the DVB-S2 Standard
Telecom, 2020 The abundance of radio signals and their increasing number creates interferences on adjacent signals and sometimes, with co-channel communication. Jammers, which are operated by hackers or by military forces, are another source of smart and powerful ...
Mohammad Hossein Same +4 more
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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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Lora Digital Receiver Analysis and Implementation [PDF]
ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2019 Low power wide area network technologies (LPWANs) are attracting attention because they fulfill the need for long range low power communication for the Internet of Things. LoRa is one of the proprietary LPWAN physical layer (PHY) technologies, which provides variable data-rate and long range by using chirp spread spectrum modulation.
Reza Ghanaatian +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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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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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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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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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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