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相关论文: Spin Wave Based Approximate 4:2 Compressor

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In this paper, we report a generation of a spin-wave excitation (SWE) with a near-unity () probability in a given time (~730). Such deterministic generation relies on a feedback scheme with a millisecond quantum memory. The millisecond…

量子物理 · 物理学 2019-10-23 Shengzhi Wang , Zhongxiao Xu , Dengxin Wang , Yafei Wen , Minjie Wang , Pai Zhou , Liang Yuan , Shujing Li , Hai Wang

The use of spin waves (SWs) as data carriers in spintronic and magnonic logic devices offers operation at low power consumption, free of Joule heating. Nevertheless, the controlled emission and propagation of SWs in magnetic materials…

介观与纳米尺度物理 · 物理学 2020-09-29 Sebastian A. Diaz , Tomoki Hirosawa , Daniel Loss , Christina Psaroudaki

Recent results from compressive sampling (CS) have demonstrated that accurate reconstruction of sparse signals often requires far fewer samples than suggested by the classical Nyquist--Shannon sampling theorem. Typically, signal…

流体动力学 · 物理学 2014-04-24 Gudmundur F. Adalsteinsson , Nicholas K. -R. Kevlahan

This paper presents a data compression algorithm with error bound guarantee for wireless sensor networks (WSNs) using compressing neural networks. The proposed algorithm minimizes data congestion and reduces energy consumption by exploring…

网络与互联网体系结构 · 计算机科学 2016-08-16 Mohammad Abu Alsheikh , Shaowei Lin , Dusit Niyato , Hwee-Pink Tan

Due to its remarkable energy compaction properties, the discrete cosine transform (DCT) is employed in a multitude of compression standards, such as JPEG and H.265/HEVC. Several low-complexity integer approximations for the DCT have been…

多媒体 · 计算机科学 2016-12-05 R. J. Cintra , F. M. Bayer , V. A. Coutinho , S. Kulasekera , A. Madanayake

This paper describes a highly-integrated CMOS system-on-chip (SoC) for active structural health monitoring (SHM). The chip integrates ultrasonic power and bidirectional half-duplex data transfer, a power management unit (PMU), and an…

信号处理 · 电气工程与系统科学 2021-10-26 Xinyao Tang , Soumyajit Mandal , Tayfun Ozdemir

Spin injection efficiency based on conventional ferromagnet (or half-metallic ferromagnet) /semiconductor is greatly limited by the Schmidt obstacle due to conductivity mismatch, here we proposed that by replacing the metallic injectors…

介观与纳米尺度物理 · 物理学 2014-12-01 G. Z. Xu , W. H. Wang , X. M. Zhang , Y. Wang , E. K. Liu , X. K. Xi , G. H. Wu

We present a feasibility study of logic circuits utilizing spin waves for information transmission and processing. As an alternative approach to the transistor-based architecture, logic circuits with spin wave bus do not use charge as an…

其他凝聚态物理 · 物理学 2009-11-13 Alexander Khitun , Dmitri E. Nikonov , Mingqiang Bao , Kosmas Galatsis , Kang L. Wang

We propose a method for inducing magnetization reversal using an AC spin current polarized perpendicular to the equilibrium magnetization of the free magnetic layer. We show that the critical AC spin current is significantly smaller than…

介观与纳米尺度物理 · 物理学 2015-06-05 Tom Dunn , Alex Kamenev

The authors demonstrate the use of a propagating spin waves for implementing a reservoir computing architecture. The proposed concept utilises an active ring resonator comprising a magnetic thin film delay line integrated into a feedback…

应用物理 · 物理学 2020-04-01 Stuart Watt , Mikhail Kostylev

We demonstrate for the first time full-scale integration of top-pinned perpendicular MTJ on 300 mm wafer using CMOS-compatible processes for spin-orbit torque (SOT)-MRAM architectures. We show that 62 nm devices with a W-based SOT…

We proposed the method that translates the 2-D CSP for minimizing the number of cuts to the Ising model. After that, we conducted computer experiments of the proposed model using the benchmark problem. From the above, the following results…

数据结构与算法 · 计算机科学 2021-04-01 Hiroshi Arai , Harumi Haraguchi

Herein, a bit-wise Convolutional Neural Network (CNN) in-memory accelerator is implemented using Spin-Orbit Torque Magnetic Random Access Memory (SOT-MRAM) computational sub-arrays. It utilizes a novel AND-Accumulation method capable of…

机器学习 · 计算机科学 2019-04-18 Arman Roohi , Shaahin Angizi , Deliang Fan , Ronald F DeMara

In the past few years, lossy compression has been widely applied in the field of wireless sensor networks (WSN), where energy efficiency is a crucial concern due to the constrained nature of the transmission devices. Often, the common…

网络与互联网体系结构 · 计算机科学 2012-06-12 Davide Zordan , Borja Martinez , Ignasi Vilajosana , Michele Rossi

Bias-scalable analog computing is attractive for implementing machine learning (ML) processors with distinct power-performance specifications. For instance, ML implementations for server workloads are focused on higher computational…

新兴技术 · 计算机科学 2023-01-05 Pratik Kumar , Ankita Nandi , Shantanu Chakrabartty , Chetan Singh Thakur

Resistive Random Access Memory (RRAM) and Phase Change Memory (PCM) devices have been popularly used as synapses in crossbar array based analog Neural Network (NN) circuit to achieve more energy and time efficient data classification…

应用物理 · 物理学 2019-10-30 Divya Kaushik , Utkarsh Singh , Upasana Sahu , Indu Sreedevi , Debanjan Bhowmik

We present a scalable in-pixel processing architecture that can reduce the data throughput by 10X and consume less than 30 mW per megapixel at the imager frontend. Unlike the state-of-the-art (SOA) analog process-in-pixel (PIP) that…

A solid-state quantum computer with dipolar coupling between qubits is proposed. The qubits are formed by the low-lying states of an isolated acceptor in silicon. The system has the scalability inherent to spin-based solid state systems,…

介观与纳米尺度物理 · 物理学 2007-05-23 B. Golding , M. I. Dykman

We theoretically consider coherence times for spins in two quantum computer architectures, where the qubit is the spin of an electron bound to a P donor impurity in Si or within a GaAs quantum dot. We show that low temperature decoherence…

介观与纳米尺度物理 · 物理学 2009-11-07 Rogerio de Sousa , S. Das Sarma

Future universal quantum computers solving problems of practical relevance are expected to require at least $10^6$ qubits, which is a massive scale-up from the present numbers of less than 50 qubits operated together. Out of the different…

量子物理 · 物理学 2020-01-03 Lotte Geck , Andre Kruth , Hendrik Bluhm , Stefan van Waasen , Stefan Heinen