Results 11 to 20 of about 33,835 (216)
Influence of local oscillator phase noise on noise figure of wideband receiver
Dianzi Jishu Yingyong, 2020 Based on the analysis of the influence of wide-band local oscillator with different phase noise on the received noise figure of the wideband receiver, a wideband mixer is used to actually test to obtain the phase noise of the mixer IF signal, through the
Li Xiaqin
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Variable-Temperature Noise Characterization of N-MOSFETs Using an
IEEE Journal of the Electron Devices Society, 2021 Characterization of broadband noise of MOSFETs from room temperature down to 120 K in fine temperature steps is presented. A MOSFET is mounted on a reusable printed circuit board vehicle with a built-in low-noise amplifier, and the vehicle is loaded into
Kenji Ohmori, Shuhei Amakawa
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Effects of Different Spectral Shapes and Amplitude Modulation of Broadband Noise on Annoyance Reactions in a Controlled Listening Experiment [PDF]
International Journal of Environmental Research and Public Health, 2018 Reto Pieren +2 more
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Investigation of the Noise Induced by Unstable Flow in a Centrifugal Pump
Energies, 2020 In order to investigate the mechanism and the characteristics of the noise induced by unstable flow in a centrifugal pump, the internal flow characteristics in the pump were numerically researched, and the acoustic pressure fluctuations at the pump inlet
Jiaxing Lu +5 more
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Aero-acoustical Study of Axial Fan using Computational Fluid Dynamics [PDF]
Journal of Agricultural Machinery, 2020 Introduction The issue of noise pollution is one of the concerns of most societies and industries because of their relationship to the environmental comfort of life or work of people are paying attention. The Aero-acoustics not only because of government
B Sabralilou +3 more
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IEEE Access, 2020 A lot of adaptive signal decomposition methods have been applied for nonstationary DPMIG electrical signals as they are always affected by noise. Recently, to solve the problems of former methods caused by the Gibbs phenomenon and the calculation of ...
Yanfeng Peng +8 more
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Sensors, 2023 This paper presents a low-noise amplifier (LNA) with an integrated input and output matching network designed using RF-SOI technology. This LNA was designed with a resistive feedback topology and an inductive peaking technology to provide 600 MHz of ...
Min-Su Kim, Sang-Sun Yoo
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Implementasi Wavelet pada Data Seismik Gunungapi
Jurnal Fisika Flux, 2020 Noise decomposition on seismic volcanic data with wavelet using Daubechies wavelet decomposition on X and Y direction record data. Seismic volcanic data is in the form of broadband data, which broadband data has a wide frequency range so that it has a ...
Dairoh Dairoh, Dega Surono Wibowo
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A semi-adaptive feedforward hybrid active noise control algorithm for multichannel systems [PDF]
JASA Express LettersBroadband active noise control systems incorporating fixed controllers exhibit limited ability to reduce sinusoids. This study presents a semi-adaptive feedforward hybrid active noise control (HANC) system to address this issue. The proposed system pairs
Shengnan Cao +3 more
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Review of Control Technologies for Quiet Operations of Advanced Air-Mobility
Applied Sciences, 2023 The current technologies for developing quiet rotor noise in urban canyons are reviewed. Several passive noise control approaches are discussed with their limitations in reducing both tonal and broadband noise.
Samuel Afari +3 more
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