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154 Results Found

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,923 Views
13 Pages

4 October 2023

A variable-gain time-to-digital converter (TDC)-based multiplying delay-locked loop (MDLL) clock multiplier featuring fast-locking and programmable N/M-ratio frequency multiplication capability is presented in this paper. The proposed all-digital pro...

  • Article
  • Open Access
2 Citations
2,220 Views
16 Pages

This paper presents a fast lock-in time clock frequency multiplier without using traditional clock generation circuits such as PLLs and DLLs. We propose a novel technique based on capacitive finite impulse response (FIR) filters to generate clock pha...

  • Article
  • Open Access
6 Citations
5,990 Views
12 Pages

4 March 2014

The Lagrange multiplier-based method is an effective network parameter error identification method. However, two full matrices with high-dimensions are involved in the calculation procedure; these create huge computational burdens for large-scale pow...

  • Article
  • Open Access
10 Citations
5,015 Views
19 Pages

Traditionally, the usual multipliers are used to multiply signals by a constant, but multiplication by a constant can be considered as a special operation requiring the development of specialized multipliers. Different methods are being developed to...

  • Article
  • Open Access
11 Citations
3,817 Views
15 Pages

High-Speed Grouping and Decomposition Multiplier for Binary Multiplication

  • Khamalesh Kumar Padmanabhan,
  • Umadevi Seerengasamy and
  • Abraham Sudharson Ponraj

16 December 2022

In the computation systems that are frequently utilized in Digital Signal Processing (DSP)- and Fast Fourier transform (FFT)-based applications, binary multipliers play a crucial role. Multipliers are one of the basic arithmetic components used, and...

  • Article
  • Open Access
2 Citations
1,936 Views
18 Pages

Analysis of Wide-Frequency Dense Signals Based on Fast Minimization Algorithm

  • Zehui Yuan,
  • Zheng Liao,
  • Haiyan Tu,
  • Yuxin Tu and
  • Wei Li

2 August 2022

To improve the detection speed for wide-frequency dense signals (WFDSs), a fast minimization algorithm (FMA) was proposed in this study. Firstly, this study modeled the WFDSs and performed a Taylor-series expansion of the sampled model. Secondly, we...

  • Article
  • Open Access
3 Citations
4,043 Views
22 Pages

13 September 2022

Micro-processor designs have become a revolutionary technology almost in every industry. They brought the reality of automation and also electronic gadgets. While trying to improvise these hardware modules to handle heavy computational loads, they ha...

  • Article
  • Open Access
6 Citations
2,704 Views
16 Pages

7 May 2019

In this paper, a new, high step-up quadratic boost converter with high conversion efficiency is discussed. A storage capacitor and resonant inductor are connected in series with a clamp capacitor through a diode. These compose a voltage multiplier ce...

  • Article
  • Open Access
2 Citations
1,779 Views
13 Pages

Structure and Principles of Operation of a Quaternion VLSI Multiplier

  • Aleksandr Cariow,
  • Mariusz Naumowicz and
  • Andrzej Handkiewicz

10 September 2024

The paper presents the original structure of a processing unit for multiplying quaternions. The idea of organizing the device is based on the use of fast Hadamard transform blocks. The operation principles of such a device are described. Compared to...

  • Article
  • Open Access
12 Citations
8,581 Views
22 Pages

Many low-cost platforms that support floating-point arithmetic, such as microcontrollers and field-programmable gate arrays, do not include fast hardware or software methods for calculating the square root and/or reciprocal square root. Typically, su...

  • Article
  • Open Access
5 Citations
4,469 Views
24 Pages

22 October 2019

Image deblurring under the background of impulse noise is a typically ill-posed inverse problem which attracted great attention in the fields of image processing and computer vision. The fast total variation deconvolution (FTVd) algorithm proved to b...

  • Article
  • Open Access
7 Citations
2,524 Views
12 Pages

Based on a self-biased architecture, this paper presents a novel adaptive fast-locking, wide operating range and low-jitter phase-locked loop (PLL). A current injection and adaptive bandwidth technology with minimum area overhead is employed to speed...

  • Article
  • Open Access
5 Citations
2,551 Views
22 Pages

19 October 2022

This paper presents the application of the Lambda control strategy derived from Pontryagin’s Minimum Principle (PMP) for parallel PHEV. The proposed method has shown its efficiency for hybrid vehicles. It is here extended to the Plug-in hybrid...

  • Article
  • Open Access
12 Citations
3,875 Views
19 Pages

11 October 2023

In order to improve the real-time performance of the trajectory tracking of autonomous vehicles, this paper applies the alternating direction multiplier method (ADMM) to the receding optimization of model predictive control (MPC), which improves the...

  • Article
  • Open Access
1,157 Views
22 Pages

Heterogeneous Online Computational Platform for GEM-Based Plasma Impurity Monitoring Systems

  • Paweł Linczuk,
  • Andrzej Wojeński,
  • Tomasz Czarski,
  • Piotr Kolasiński,
  • Wojciech M. Zabołotny,
  • Krzysztof Poźniak,
  • Grzegorz Kasprowicz,
  • Radosław Cieszewski,
  • Maryna Chernyshova and
  • Karol Malinowski
  • + 3 authors

6 November 2024

The fusion energy research field presents many intricate challenges that require resolution. Many diagnostic systems employed in experiments are approaching the limits of current technology. Implementing efficient measurements requires using an appro...

  • Article
  • Open Access
2 Citations
3,462 Views
18 Pages

30 July 2021

The numerical analysis of electromagnetic devices by means of finite element methods (FEM) is often hindered by the need to incorporate the surrounding domain. The discretisation of the air may become complex and has to be truncated by artificial bou...

  • Review
  • Open Access
3 Citations
3,684 Views
21 Pages

29 June 2021

Financial and commercial data are mostly represented in decimal format. To avoid errors introduced when converting some decimal fractions to binary, these data are processed with decimal arithmetic. Most processors only have hardwired binary arithmet...

  • Article
  • Open Access
4 Citations
3,414 Views
27 Pages

21 March 2019

A singularly perturbed linear time-dependent controlled system with multiple point-wise delays and distributed delays in the state and control variables is considered. The delays are small, of order of a small positive multiplier for a part of the de...

  • Review
  • Open Access
10 Citations
4,532 Views
24 Pages

Multiplier Effects of Photodetectors—Source of Gain

  • Ming Yang,
  • Haoliang Chang,
  • Jinhuan Chen and
  • Xinyu Zhu

12 June 2023

A photodetector is a type of optoelectronic device with excellent photoelectric conversion abilities, which has especially important applications in many fields such as optical communication, image sensing, aerospace/environmental detection, and mili...

  • Article
  • Open Access
7 Citations
3,592 Views
12 Pages

18 September 2023

The residue number system is widely used in applications such as communication systems, cryptography, digital filters, digital signal processors, fault-tolerant detection, and so on. This paper proposes a multifunction modulo (2n ± 1) multipli...

  • Article
  • Open Access
739 Views
20 Pages

Fast Implementation of Generalized Koebe’s Iterative Method

  • Khiy Wei Lee,
  • Ali H. M. Murid,
  • Mohamed M. S. Nasser and
  • Su Hoe Yeak

9 June 2025

Let G be a given bounded multiply connected domain of connectivity m+1 bounded by smooth Jordan curves. Koebe’s iterative method is a classical method for computing the conformal mapping from the domain G onto a bounded multiply connected circu...

  • Article
  • Open Access
2 Citations
2,927 Views
15 Pages

Vector normalization is an important process in several algorithms. It is used in classical physical calculations, mathematical techniques, and machine learning, which has witnessed significant advancements in recent years. Normalization and regulari...

  • Article
  • Open Access
6 Citations
4,319 Views
9 Pages

An all-digital multiplying delay-locked loop (MDLL)-based clock multiplier featuring a time-to-digital converter (TDC) to achieve fast power-on capability is presented. The proposed MDLL adopts a new offset-free cyclic Vernier TDC to achieve a fast l...

  • Article
  • Open Access
5 Citations
4,444 Views
15 Pages

Reducing the Cost of Implementing Filters in LoRa Devices

  • Shania Stewart,
  • Ha H. Nguyen,
  • Robert Barton and
  • Jerome Henry

19 September 2019

This paper presents two methods to optimize LoRa (Low-Power Long-Range) devices so that implementing multiplier-less pulse shaping filters is more economical. Basic chirp waveforms can be generated more efficiently using the method of chirp segmentat...

  • Feature Paper
  • Article
  • Open Access
729 Views
20 Pages

Exploiting Generalized Cyclic Symmetry to Find Fast Rectangular Matrix Multiplication Algorithms Easier

  • Charlotte Vermeylen,
  • Nico Vervliet,
  • Lieven De Lathauwer and
  • Marc Van Barel

23 September 2025

The quest to multiply two large matrices as fast as possible is one that has already intrigued researchers for several decades. However, the ‘optimal’ algorithm for a certain problem size is still not known. The fast matrix multiplication...

  • Article
  • Open Access
4 Citations
2,516 Views
19 Pages

7 January 2022

We use a recently proposed fast test of copula radial symmetry based on multiplier bootstrap and obtain an equivalent randomization test. The literature shows the statistical superiority of the randomization approach in the bivariate case. We extend...

  • Article
  • Open Access
9 Citations
6,790 Views
16 Pages

In modern computers, complicated signal processing is highly optimized with the use of compilers and high-speed processing using floating-point units (FPUs); therefore, programmers have little opportunity to care about each process. However, a highly...

  • Review
  • Open Access
9 Citations
3,222 Views
20 Pages

15 November 2019

In the interaction of fast ions with dense matter, the collision frequency is high enough to facilitate the simultaneous excitation of several electrons. Such multiply-excited few-electron systems have been exploited variously for plasma diagnostics....

  • Proceeding Paper
  • Open Access
871 Views
7 Pages

9 November 2023

This study explores ultrasonic wave propagation in human cancellous bone, treating it as a fluid-saturated elastic medium. The interaction between the structure and fluid during ultrasonic excitation is described using Johnson’s model, modifyin...

  • Article
  • Open Access
15 Citations
4,332 Views
14 Pages

16 April 2022

This paper proposes a high-speed continuous wavelet transform (CWT) processor to analyze vital signals extracted from a frequency-modulated continuous wave (FMCW) radar sensor. The proposed CWT processor consists of a fast Fourier transform (FFT) mod...

  • Proceeding Paper
  • Open Access
2 Citations
2,342 Views
4 Pages

Nowadays, floating point multiplier (FPM) plays an essential role in computers. The IEEE 754 norm for floating point numbers is the most widely recognized portrayal for real numbers on today’s PCs. Addition, multiplication, subtraction, and div...

  • Article
  • Open Access
1 Citations
1,885 Views
18 Pages

A Reentry Trajectory Planning Algorithm via Pseudo-Spectral Convexification and Method of Multipliers

  • Haizhao Liang,
  • Yunhao Luo,
  • Haohui Che,
  • Jingxian Zhu and
  • Jianying Wang

25 April 2024

The reentry trajectory planning problem of hypersonic vehicles is generally a continuous and nonconvex optimization problem, and it constitutes a critical challenge within the field of aerospace engineering. In this paper, an improved sequential conv...

  • Article
  • Open Access
1,725 Views
29 Pages

25 July 2024

Support vector data description (SVDD) is widely regarded as an effective technique for addressing anomaly detection problems. However, its performance can significantly deteriorate when the training data are affected by outliers or mislabeled observ...

  • Article
  • Open Access
6 Citations
2,521 Views
22 Pages

30 November 2021

In this study, a singularly perturbed linear time-delay system of neutral type is considered. It is assumed that the delay is small of order of a small positive parameter multiplying a part of the derivatives in the system. This system is decomposed...

  • Article
  • Open Access
11 Citations
10,183 Views
16 Pages

1 March 2020

Normalized cross-correlation is an important mathematical tool in digital signal processing. This paper presents a new algorithm and its systolic structure for digital normalized cross-correlation, based on the statistical characteristic of inner-pro...

  • Article
  • Open Access
13 Citations
6,105 Views
10 Pages

High-Resolution Hologram Calculation Method Based on Light Field Image Rendering

  • Xin Yang,
  • FuYang Xu,
  • HanLe Zhang,
  • HongBo Zhang,
  • Kai Huang,
  • Yong Li and
  • QiongHua Wang

23 January 2020

A fast calculation method for a full parallax high-resolution hologram is proposed based on elemental light field image (EI) rendering. A 3D object located near the holographic plane is firstly rendered as multiple EIs with a pinhole array. Each EI i...

  • Article
  • Open Access
2 Citations
3,737 Views
12 Pages

Mass-Resolved Momentum Imaging of Three Dichloroethylene Isomers by Femtosecond Laser-Induced Coulomb Explosion

  • Yoriko Wada,
  • Hiroshi Akagi,
  • Takayuki Kumada,
  • Ryuji Itakura and
  • Tomonari Wakabayashi

16 September 2022

Coulomb explosion experiments using linearly polarized intense 60 fs laser pulses were conducted for structural characterization of three dichloroethylene (DCE) isomers, 1,1-DCE, cis-1,2-DCE, and trans-1,2-DCE. Under relatively low laser intensity at...

  • Review
  • Open Access
91 Citations
19,226 Views
22 Pages

18 November 2010

We present the most recent advances in photo-detector design employed in time of flight positron emission tomography (ToF-PET). PET is a molecular imaging modality that collects pairs of coincident (temporally correlated) annihilation photons emitted...

  • Article
  • Open Access
40 Citations
7,649 Views
26 Pages

MorphoCluster: Efficient Annotation of Plankton Images by Clustering

  • Simon-Martin Schröder,
  • Rainer Kiko and
  • Reinhard Koch

28 May 2020

In this work, we present MorphoCluster, a software tool for data-driven, fast, and accurate annotation of large image data sets. While already having surpassed the annotation rate of human experts, volume and complexity of marine data will continue t...

  • Article
  • Open Access
6 Citations
3,993 Views
21 Pages

A Polynomial Multiplication Accelerator for Faster Lattice Cipher Algorithm in Security Chip

  • Changbao Xu,
  • Hongzhou Yu,
  • Wei Xi,
  • Jianyang Zhu,
  • Chen Chen and
  • Xiaowen Jiang

14 February 2023

Polynomial multiplication is the most computationally expensive part of the lattice-based cryptography algorithm. However, the existing acceleration schemes have problems, such as low performance and high hardware resource overhead. Based on the poly...

  • Article
  • Open Access
3 Citations
2,620 Views
14 Pages

8 July 2021

The definition of temperature in non-equilibrium situations is among the most controversial questions in thermodynamics and statistical physics. In this paper, by considering two numerical experiments simulating charge and phonon transport in graphen...

  • Article
  • Open Access
10 Citations
7,997 Views
22 Pages

Efficient Phase Unwrapping Architecture for Digital Holographic Microscopy

  • Wen-Jyi Hwang,
  • Shih-Chang Cheng and
  • Chau-Jern Cheng

27 September 2011

This paper presents a novel phase unwrapping architecture for accelerating the computational speed of digital holographic microscopy (DHM). A fast Fourier transform (FFT) based phase unwrapping algorithm providing a minimum squared error solution is...

  • Article
  • Open Access
26 Citations
6,772 Views
13 Pages

8 March 2016

Pressure sensitive paint (PSP) was used to measure pressure on the blades of a radial compressor with a 51 mm inlet diameter rotating at speeds up to 50 krpm using the so called lifetime method. A diode laser with a scanning-mirror system was used to...

  • Article
  • Open Access
20 Citations
4,761 Views
20 Pages

Survival of RNA Replicators Is Much Easier in Protocells Than in Surface-Based, Spatial Systems

  • Vismay Shah,
  • Jonathan de Bouter,
  • Quinn Pauli,
  • Andrew S. Tupper and
  • Paul G. Higgs

7 August 2019

In RNA-World scenarios for the origin of life, replication is catalyzed by polymerase ribozymes. Replicating RNA systems are subject to invasion by non-functional parasitic strands. It is well-known that there are two ways to avoid the destruction of...

  • Feature Paper
  • Article
  • Open Access
5 Citations
3,651 Views
14 Pages

Zero-Keep Filter Pruning for Energy/Power Efficient Deep Neural Networks

  • Yunhee Woo,
  • Dongyoung Kim,
  • Jaemin Jeong,
  • Young-Woong Ko and
  • Jeong-Gun Lee

Recent deep learning models succeed in achieving high accuracy and fast inference time, but they require high-performance computing resources because they have a large number of parameters. However, not all systems have high-performance hardware. Som...

  • Article
  • Open Access
1,003 Views
19 Pages

5 December 2024

To improve the regulatory capacity of distributed resources within the park and enhance the flexibility of market transactions, this paper introduces a distributed dispatch and profit allocation method grounded in cooperative game theory and the gene...

  • Article
  • Open Access
12 Citations
3,237 Views
19 Pages

29 September 2020

In this article, it was observed that the noise in some real-world applications, such as wind power forecasting and direction of the arrival estimation problem, does not satisfy the single noise distribution, including Gaussian distribution and Lapla...

  • Article
  • Open Access
43 Citations
4,961 Views
13 Pages

A High-Performance Elliptic Curve Cryptographic Processor of SM2 over GF(p)

  • Xianghong Hu,
  • Xin Zheng,
  • Shengshi Zhang,
  • Weijun Li,
  • Shuting Cai and
  • Xiaoming Xiong

Elliptic curve cryptography (ECC) is widely used in practical applications because ECC has far fewer bits for operands at the same level of security than other public-key cryptosystems such as RSA. The performance of an ECC processor is usually deter...

  • Article
  • Open Access
3 Citations
3,426 Views
17 Pages

20 February 2021

Symbol rate and chromatic dispersion (CD) are very important for optical performance monitoring. The CD, however, hinders the symbol rate detection. In this paper, we proposed a joint estimation of symbol rate and chromatic dispersion. We show that,...

  • Article
  • Open Access
28 Citations
5,641 Views
15 Pages

The Blue Water Footprint of the Spanish Wine Industry: 1935–2015

  • María-Isabel Ayuda,
  • Encarna Esteban,
  • Miguel Martín-Retortillo and
  • Vicente Pinilla

30 June 2020

The impact of economic growth on natural resources and the environment constitutes a fundamental topic in current research. In particular, water, a fundamental resource for human beings, has been subject to intense pressure in recent decades. Within...

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