中文
相关论文

相关论文: A Multi-Moded RF Delay Line Distribution System fo…

200 篇论文

In this paper, we consider delay minimization for interference networks with renewable energy source, where the transmission power of a node comes from both the conventional utility power (AC power) and the renewable energy source. We…

信息论 · 计算机科学 2015-06-04 Huang Huang , Vincent K. N. Lau

A novel approach of applying deep reinforcement learning to an RF pulse design is introduced. This method, which is referred to as DeepRF_SLR, is designed to minimize the peak amplitude or, equivalently, minimize the pulse duration of a…

机器学习 · 计算机科学 2020-09-02 Dongmyung Shin , Sooyeon Ji , Doohee Lee , Jieun Lee , Se-Hong Oh , Jongho Lee

Cold atom interferometers have matured to a powerful tool in fundamental physics research, and they are currently on their way from realizations in the laboratory to applications in the real world. The radio frequency (RF) generator is an…

The electric field in laser-driven plasma wakefield acceleration is orders of magnitude higher than conventional radio-frequency cavities, but the energy gain is limited by dephasing between the ultra-relativistic electron bunch and the…

加速器物理 · 物理学 2020-03-18 James D. Sadler , Christopher Arran , Hui Li , Kirk A. Flippo

In this work, we explore the introduction of distributed space-time codes in decode-and-forward (DF) protocols. A first protocol named the Asymmetric DF is presented. It is based on two phases of different lengths, defined so that signals…

信息论 · 计算机科学 2008-11-05 Charlotte Hucher , Ghaya Rekaya-Ben Othman , Ahmed Saadani

Rotating detonation engines (RDEs) are a promising propulsion concept that may offer higher thermodynamic efficiency and specific impulse than conventional systems, but nonlinear phenomena, including transitions to oscillatory or chaotic…

流体动力学 · 物理学 2026-04-17 Kristian Holme , Jean Rabault , Ricardo Vinuesa , Mikael Mortensen

Distribution Load Estimation (DLE) is a key function of Distribution Management System (DMS). In this paper a novel method for presenting historical load data in the form of Representative Load Curves (RLC) is presented. Adaptive…

信号处理 · 电气工程与系统科学 2021-09-22 Chiebuka Eyisi , Saeed Lotfifard

This paper investigates a joint beamforming and resource allocation problem in downlink reconfigurable intelligent surface (RIS)-assisted orthogonal frequency division multiplexing (OFDM) systems to minimize the average delay, where data…

人工智能 · 计算机科学 2025-07-25 Yu Ma , Xiao Li , Chongtao Guo , Le Liang , Michail Matthaiou , Shi Jin

The concept of space mapping is applied, for the first time, to the design of microwave dispersive delay structures (DDSs). DDSs are components providing specified group delay versus frequency responses for real-time radio systems. The DDSs…

光学 · 物理学 2013-11-11 Qingfeng Zhang , John W. Bandler , Christophe Caloz

This work presents joint iterative power allocation and interference suppression algorithms for DS-CDMA networks which employ multiple relays and the amplify and forward cooperation strategy. We propose a joint constrained optimization…

信息论 · 计算机科学 2013-04-10 R. C. de Lamare , S. Li

In this work, we propose a low-cost rate splitting (RS) technique for a multi-user multiple-input single-output (MISO) system operating in frequency division duplex (FDD) mode. The proposed iterative optimisation algorithm only depends on…

信号处理 · 电气工程与系统科学 2024-11-05 Sadaf Syed , Donia Ben Amor , Michael Joham , Wolfgang Utschick

A novel ultra-long distributed vibration sensing (DVS) system using forward transmission and coherent detection is proposed and experimentally demonstrated. In the proposed scheme, a pair of multi-span optical fibers are deployed for…

信号处理 · 电气工程与系统科学 2019-07-19 Yaxi Yan , Changjian Guo , Xiong Wu , Ziqi Lin , Xian Zhou , Faisal Nadeem Khan , Alan Pak Tao Lau , Chao Lu

Dissipative Kerr soliton (DKS) offers a compact solution of coherent comb sources and holds huge potential for applications, but has long been suffering from poor power conversion efficiency when driving by a continuous-wave laser. Here, a…

RF pulse modulation techniques are widely applied to shape RF pulses for various types of RF stations of particle accelerators. The amplitude and phase modulations are typically implemented with additional RF components that require drive…

加速器物理 · 物理学 2026-03-04 Chao Liu , Ankur Dhar , Ronald Agustsson , Diego Amirari , Dennis Palmer , Martin Breidenbach , Emilio Nanni

The orthogonal delay-Doppler (DD) division multiplexing (ODDM) modulation has recently been proposed as a promising solution for ensuring reliable communications in high mobility scenarios. In this work, we investigate the time-frequency…

信号处理 · 电气工程与系统科学 2024-10-28 Akram Shafie , Jinhong Yuan , Nan Yang , Hai Lin

This study proposes and experimentally demonstrates a distributed feedback (DFB) laser with a distributed phase shift (DPS) region at the center of the DFB cavity. By modeling the field intensity distribution in the cavity and the output…

This paper presents a novel two-way decode-and-forward (DF) relay strategy for Orthogonal Frequency Division Multiplexing (OFDM) relay networks. This DF relay strategy employs multi-subcarrier joint channel coding to leverage frequency…

信息论 · 计算机科学 2016-11-17 Fei He , Yin Sun , Xiang Chen , Limin Xiao , Shidong Zhou

This letter proposes a dynamic power splitting scheme (DPSS) for decode-and-forward (DF) based cooperative simultaneous wireless information and power transfer (SWIPT) networks with direct link. The relay node adopts an optimal dynamic…

信号处理 · 电气工程与系统科学 2019-02-28 Yingting Liu , Yinghui Ye , Haiyang Ding , Jianmei Shen , Hongwu Yang

We present a topology for linear accelerators (linacs) that permits larger degrees of freedom for the optimization of individual cavity shapes. The power is distributed to the cavities through a waveguide with periodic apertures that…

加速器物理 · 物理学 2020-09-16 Sami Tantawi , Mamdouh Nasr , Zenghai Li , Cecile Limborg , Philipp Borchard

Monitoring the long term voltage stability of the power grid is necessary to ensure its secure operation. This paper presents a new phasor based methodology that distinguishes between long term voltage stability caused by distribution…

最优化与控制 · 数学 2018-09-28 Amarsagar Reddy Ramapuram Matavalam , Ankit Singhal , Venkataramana Ajjarapu