中文
相关论文

相关论文: New Development in RF Pulse Compression

200 篇论文

Motivated by the constant modulus property of frequency shift keying (FSK) based waveforms and the stabilisation of its radar performance with an increase in the number of subpulses, in this paper an FSK-based dynamic subpulse number joint…

信号处理 · 电气工程与系统科学 2025-09-16 Tian Han , Peter J Smith , Urbashi Mitra , Jamie S Evans , Robin Evans , Rajitha Senanayake

Obtaining a group velocity higher than the speed of sound in a waveguide is a challenging task in acoustic wave engineering. Even more challenging is to achieve this velocity increase without any intervention with the waveguide profile,…

应用物理 · 物理学 2025-03-31 Kangkang Wang , Felix Langfeldt , Chen Shen , Haishan Zou , Sipei Zhao , Jing Lu , Lea Sirota

Non-reciprocal components, such as isolators and circulators, are critical to wireless communication and radar applications. Traditionally, non-reciprocal components have been implemented using ferrite materials, which exhibit…

信号处理 · 电气工程与系统科学 2018-03-20 Aravind Nagulu , Tolga Dinc , Zhicheng Xiao , Mykhailo Tymchenko , Dimitrios Sounas , Andrea Alù , Harish Krishnaswamy

Pulse wave analysis is an important method used to gather information about the cardiovascular system. Instead of detecting the pulse wave via pressure sensors, bioimpedance measurements can be performed to acquire minuscule changes in the…

医学物理 · 物理学 2019-02-26 Roman Kusche , Paula Klimach , Martin Ryschka

Parametric amplification is essential for quantum measurement, enabling the amplification of weak microwave signals with minimal added noise. While Josephson-junction-based amplifiers have become standard in superconducting quantum…

量子物理 · 物理学 2025-12-04 Danial Davoudi , Abdul Mohamed , Shabir Barzanjeh

The forthcoming communication systems are advancing towards improved flexibility in various aspects. Improved flexibility is crucial to cater diverse service requirements. This letter proposes a novel waveform design scheme that exploits…

信号处理 · 电气工程与系统科学 2019-02-19 Mostafa Ibrahim , Ali Fatih Demir , Huseyin Arslan

We study the dynamics of multipulse solutions in mode-locked lasers in presence of time-delayed feedback stemming, e.g., from reflections upon optical elements, and carrier dynamics. We demonstrate that the dynamics of such a high…

斑图形成与孤子 · 物理学 2025-03-21 Thomas G. Seidel , Julien Javaloyes , Svetlana V. Gurevich

In this paper, we consider the amplify-and-forward relay networks in mmWave systems and propose a hybrid precoder/combiner design approach. The phase-only RF precoding/combining matrices are first designed to support multi-stream…

信息论 · 计算机科学 2019-11-01 Lisi Jiang , Hamid Jafarkhani

This work describes the architecture and implementation of a high-data-rate, energy-efficient millimeter-wave (mm-wave) waveguide solution for integration inside an Integrated Circuit (IC) package. The complete waveguide solution (together…

信号处理 · 电气工程与系统科学 2020-03-30 Souradip Sarkar , Gert-Jan Stockman , Brecht Francois

The modular multilevel converter (MMC) is a promising converter technology for various highvoltage high-power applications. The reason to that is low-distortion output quantities can be achieved with low average switching frequencies per…

高能物理 - 实验 · 物理学 2025-01-03 Khushbu Saradva , Meeta Matnani , Tapankumar Trivedi

Hybrid precoding has been recently proposed as a cost-effective transceiver solution for millimeter wave (mm-wave) systems. The analog component in such precoders, which is composed of a phase shifter network, is the key differentiating…

信息论 · 计算机科学 2017-07-27 Xianghao Yu , Jun Zhang , Khaled B. Letaief

In an expansion of a previous study [1], we apply inverse design methods to produce two-dimensional plasma metamaterial devices with realistic plasma elements which incorporate quartz envelopes, collisionality (loss), non-uniform density…

应用物理 · 物理学 2022-10-31 Jesse A Rodriguez , Mark A. Cappelli

A new class of atomic interferences using ultra-narrow optical transitions are pushing quantum engineering control to a very high level of precision for a next generation of sensors and quantum gate operations. In such context, we propose a…

原子物理 · 物理学 2022-06-22 T. Zanon-Willette , D. Wilkowski , R. Lefevre , A. V. Taichenachev , V. I. Yudin

A polarization switching pulse interleaver is shown to be effective in reducing timing noise due to polarization mode dispersion in time and frequency transfer based on mode-locked lasers and standard single-mode fibres. In closed-loop time…

光学 · 物理学 2025-02-20 Thomas Fordell , Anders E. Wallin , Thomas Lindvall , Kalle Hanhijärvi

A new type of integrated polarizer based on bent coupled optical waveguides is proposed. The simplicity of the device geometry permits its realization using only basic standard fabrication steps. A deep etched waveguide silicon nitride…

应用物理 · 物理学 2019-05-01 P. Chamorro-Posada

In an ultra wideband (UWB) impulse radio (IR) system, a number of pulses, each transmitted in an interval called a "frame", is employed to represent one information symbol. Conventionally, a single type of UWB pulse is used in all frames of…

信息论 · 计算机科学 2016-11-18 Sinan Gezici , Zafer Sahinoglu , Hisashi Kobayashi , H. Vincent Poor

A novel concept of a high-power magnetron transmitter allowing dynamic phase and power control at the frequency of locking signal is proposed. The transmitter compensating parasitic phase and amplitude modulations inherent in…

加速器物理 · 物理学 2016-12-23 G. Kazakevich , R. Johnson , M. Neubauer , V. Lebedev , W. Schappert , V. Yakovlev

An efficient electro-optical modulation has been demonstrated here by using an edge plasmon mode specific for the hybrid plasmonic waveguide. Our approach addresses a major obstacle of the integrated microwave photonics caused by the…

Emerging systems such as Internet-of-things (IoT) and machine-to-machine (M2M) communications have strict requirements on the power consumption of used equipments and associated complexity in the transceiver design. As a result,…

信号处理 · 电气工程与系统科学 2021-01-26 Sultan Aldirmaz-Colak , Erdogan Aydin , Yasin Celik , Yusuf Acar , Ertugrul Basar

The rapid increase of distributed energy resources has led to the widespread deployment of microgrids. These flexible and efficient local energy grids are able to operate in both grid-connected mode and islanded mode; they are interfaced to…

系统与控制 · 电气工程与系统科学 2022-12-29 Arthur K. Barnes , Adam Mate
‹ 上一页 1 8 9 10 下一页 ›