Results 131 to 140 of about 459 (156)

A Low-Jitter and Low-Reference-Spur Ring-VCO- Based Injection-Locked Clock Multiplier Using a Triple-Point Background Calibrator

IEEE Journal of Solid-State Circuits, 2021
This work presents a low-jitter, low-reference-spur ring voltage-controlled oscillator (ring VCO)-based injection-locked clock multiplier (ILCM). Since the proposed triple-point frequency/phase/slope calibrator (TP-FPSC) can accurately remove the three ...
Seyeon Yoo, Jaehyouk Choi, Yongsun Lee   +2 more
exaly   +2 more sources

A PVT-Robust and Low-Jitter Ring-VCO-Based Injection-Locked Clock Multiplier With a Continuous Frequency-Tracking Loop Using a Replica-Delay Cell and a Dual-Edge Phase Detector

IEEE Journal of Solid-State Circuits, 2016
A low-jitter, ring-type voltage-controlled oscillator (VCO)-based injection-locked clock multiplier (ILCM) with a continuous frequency-tracking loop (FTL) for process-voltage-temperature (PVT)-calibration is presented.
Seojin Choi, Seyeon Yoo, Younghyun Lim, Jaehyouk Choi   +3 more
semanticscholar   +2 more sources

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An Investigation on ILCMS for Coupling of Fields Into a Generic Missile Body through Apertures

2007 IEEE International Symposium on Electromagnetic Compatibility, 2007
The conventional way of analysing electromagnetic coupling into cavities is by means of full-wave solvers based on techniques such as the finite difference time domain method, the method of moments and the transmission line matrix (TLM) method. However, these methods require considerable computing resources and time to reach a solution.
L. C. Chirwa, J. F. Dawson, M. P. Robinson   +2 more
openaire   +1 more source

Gill remodeling increases the respiratory surface area of grass carp (Ctenopharyngodon idella) under hypoxic stress.

Comparative biochemistry and physiology. Part A, Molecular & integrative physiology, 2022
Seasonal changes, diurnal variations, and eutrophication result in periodic hypoxia in fish habitats, thus affecting the success of commercial aquaculture. In this study, the grass carp (Ctenopharyngodon idella) presented moderate hypoxia tolerance; they
Xiao-Na Xu, Song-lin Chen, Zhu-Xiang Jiang, M. Nissa, S. Zou   +4 more
semanticscholar   +1 more source

A Low-Jitter and Low-Reference-Spur Ring-VCO-Based Injection-Locked Clock Multiplier Utilizing a Complementary-Injection Scheme and an Adaptive Pulsewidth Adjustment

IEEE Journal of Solid-State Circuits
This article presents a ring voltage-controlled oscillator (RVCO)-based pulse-injection-locked clock multiplier (ILCM) with a complementary-injection scheme, an adaptive pulsewidth adjustment, and a hybrid frequency tracking loop (FTL).
Zedong Wang, Xuqiang Zheng, Yu He, Hua Xu, Sai Li, Zunsong Yang, Fangxu Lv, Ming-Shiang Lai, Xinyu Liu   +8 more
semanticscholar   +1 more source

Adaptive estimation of instance-dependent noise transition matrix for learning with instance-dependent label noise

Neural Networks
Instance-dependent noise (IDN) widely exists in real-world datasets, seriously hindering the effective application of deep neural networks. In contrast to class-dependent noise, IDN is influenced not solely by the class but also by the intrinsic features
Yuan Wang, Huaxin Pang, Ying Qin, Shikui Wei, Yao Zhao   +4 more
semanticscholar   +1 more source

Exposure and post-exposure effects of chlorpyrifos on Carassius auratus gills: An ultrastructural and morphofunctional investigation.

Chemosphere, 2020
Widespread environmental contamination from chlorpyrifos (CPF) is well acknowledged and has led to the proposal to ban or limit its use in agricultural and domestic, within the regulatory context of both America and Europe.
R. Macirella, Giuseppe Madeo, S. Sesti, M. Tripepi, I. Bernabò, N. Godbert, D. La Russa, E. Brunelli   +7 more
semanticscholar   +1 more source

Development of a Secure Image Encryption Model with Optimized Mapping and Cryptographic Hash-Driven Key Expansion

2025 15th International Conference on Mathematics, Actuarial Science, Computer Science and Statistics (MACS)
With the increasing transmission of data via open networks and the internet, image data security has become a crucial concern. Traditional encryption solutions frequently fail to achieve a balance between efficiency and security in image encryption ...
Trapty Agarwal, S. Shanthi, Nidhi Dua
semanticscholar   +1 more source

A Low-Reference-Spur Injection-Locked Clock Multiplier Using Sub-Sampling Frequency Tracking Loop and Injection Pulse Timing Calibrator

IEEE Journal of Solid-State Circuits
This article presents an injection-locked clock multiplier (ILCM) achieving the low-reference spur (spur ${}_{\mathrm {REF}}$ ) with minimal overhead of a calibrator.
Hyeonjun Nam, Hyogyoung An, Changmin An, Sungjin Kim, Heein Yoon   +4 more
semanticscholar   +1 more source

DeepCryptanalysis: Dense Attention U-Net to Break Chaos-Based Color Image Encryption

Advances in Artificial Intelligence and Machine Learning
In this paper, we propose an innovative Convolutional Neural Network (CNN) for the cryptanalysis of color image encryption algorithms. Our model combines a dense U-net with attention mechanism to efficiently attack chaos based schemes, such as the Two ...
S. Amiri
semanticscholar   +1 more source