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相关论文: A Practical Analysis: Understanding Phase Noise Mo…

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This paper proposes an efficient reconfigurable hardware design for speech enhancement based on multi band spectral subtraction algorithm and involving both magnitude and phase components. Our proposed design is novel as it estimates…

声音 · 计算机科学 2015-08-26 Tanmay Biswas , Sudhindu Bikash Mandal , Debasree Saha , Amlan Chakrabarti

A fast and accurate grid impedance measurement of three-phase power systems is crucial for online assessment of power system stability and adaptive control of grid-connected converters. Existing grid impedance measurement approaches…

系统与控制 · 电气工程与系统科学 2023-11-30 Verena Häberle , Linbin Huang , Xiuqiang He , Eduardo Prieto-Araujo , Roy S. Smith , Florian Dörfler

Lowering the noise level of short pulse lasers has been a long-standing effort for decades. Modeling the noise performance plays a crucial role in isolating the noise sources and reducing them. Modeling to date has either used analytical or…

应用物理 · 物理学 2018-10-17 Shaokang Wang , Thomas F. Carruthers , Curtis R. Menyuk

Clock generation is an essential part of wireless or wireline communication modules. To facilitate recent advancements in wireline-like communication and in-sensor computing modules at relatively lower data rates, ultra-low power, and…

信号处理 · 电气工程与系统科学 2024-10-23 Yudhajit Ray , Archisman Ghosh , Shreyas Sen

Narrowband power line communication (NB-PLC) systems are an attractive solution for supporting current and future smart grids. A technology proposed to enhance data rate in NB-PLC is multiple-input multiple-output (MIMO) transmission over…

SDR (Software Defined Radio) provides flexible, reproducible, and longer-lasting radio tools for military and civilian wireless communications infrastructure. SDR is a radio communication system whose components are implemented as software.…

网络与互联网体系结构 · 计算机科学 2025-06-24 Mehmet Kaan Erol , Eyup Emre Ulku

This paper investigates a joint beamforming design in a multiuser multiple-input single-output (MISO) communication network aided with an intelligent reflecting surface (IRS) panel. The symbol-level precoding (SLP) is adopted to enhance the…

信息论 · 计算机科学 2021-09-01 Guangyang Zhang , Chao Shen , Bo Ai , Zhangdui Zhong

We present a digital algorithm for measuring the phase difference between two sinusoidal signals that combines the modified fringe-counting method with two-sample zero crossing to enable sequential signal processing. This technique can be…

仪器与探测器 · 物理学 2016-06-28 Wataru Kokuyama , Hideaki Nozato , Akihiro Ohta , Koichiro Hattori

We study synchronization and noise-induced resonance phenomena in systems of globally coupled oscillators, each possessing finite inertia. The behavior of the order parameter, which measures collective synchronization of the system, is…

统计力学 · 物理学 2009-10-31 H. Hong , M. Y. Choi

Lasers are the workhorse of quantum engineering in the atomic-molecular-optic community. However, phase noise of the laser, which can be especially large in popular semiconductor-based lasers, can limit fidelity of operation. Here, we…

The multiple-input multiple-output (MIMO) detection problem, a fundamental problem in modern digital communications, is to detect a vector of transmitted symbols from the noisy outputs of a fading MIMO channel. The maximum likelihood…

最优化与控制 · 数学 2021-02-10 Ruichen Jiang , Ya-Feng Liu , Chenglong Bao , Bo Jiang

This paper investigates the capability of millimeter-wave (mmWave) channel sounders with phased arrays to perform super-resolution parameter estimation, i.e., determine the parameters of multipath components (MPC), such as direction of…

Worst-case dynamic PDN noise analysis is an essential step in PDN sign-off to ensure the performance and reliability of chips. However, with the growing PDN size and increasing scenarios to be validated, it becomes very time- and…

机器学习 · 计算机科学 2022-04-29 Xiao Dong , Yufei Chen , Xunzhao Yin , Cheng Zhuo

We introduce a technique to mitigate the effects of low frequency noise on precision timing. The example of Dark Count Noise Rate (DCR) in Silicon Photomultipliers (SiPMs) is emphasized. This technique exploits the correlation between time…

仪器与探测器 · 物理学 2023-08-09 Sebastian N. White

Efficiently post-training large language models remains a challenging task due to the vast computational resources required. We present Spectrum, a method that accelerates LLM training by selectively targeting layer modules based on their…

机器学习 · 计算机科学 2024-06-12 Eric Hartford , Lucas Atkins , Fernando Fernandes Neto , David Golchinfar

In full-duplex systems, oscillator phase noise (PN) problem is considered the bottleneck challenge that may face the self-interference cancellation (SIC) stage especially when orthogonal frequency division multiplexing (OFDM) transmission…

信息论 · 计算机科学 2016-03-18 Heba Shehata , Tamer Khattab

Self-heterodyne techniques are widely used for laser phase noise characterization due to their simple experimental setup and the removed need for a reference laser. However, when investigating low-noise lasers, optical delay paths shorter…

光学 · 物理学 2025-11-07 Jasper Riebesehl , David C. Nak , Darko Zibar

It is known that phase noise (PN) can cause link performance to degrade severely in orthogonal frequency division multiplexing (OFDM) systems, such as IEEE 802.11, 3GPP LTE and 5G. As opposed to prior PN mitigation schemes that assume…

信息论 · 计算机科学 2018-06-11 Kun Wang , Louay M. A. Jalloul , Ahmad Gomaa

The performance of model-based control techniques strongly depends on the quality of the employed dynamics model. If strong guarantees are desired, it is therefore common to robustly treat all possible sources of uncertainty, such as model…

系统与控制 · 电气工程与系统科学 2022-05-23 Elena Arcari , Andrea Iannelli , Andrea Carron , Melanie N. Zeilinger

We present a single-channel phase-sensitive speech enhancement algorithm that is based on modulation-domain Kalman filtering and on tracking the speech phase using circular statistics. With Kalman filtering, using that speech and noise are…

声音 · 计算机科学 2017-08-08 Nikolaos Dionelis , Mike Brookes