Results 31 to 40 of about 3,187 (174)

Launch Uncertainty Analysis Under Barrel Erosion Using Experiments and Random Matrix Theory

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The effects of barrel erosion on artillery firing performance have long been a subject of concern, but its effect on launch uncertainty has yet to be investigated. This article explores the influence of barrel erosion on the interior ballistic mechanical properties and launch disturbances.
Chengyuan Guo, Guolai Yang, Liqun Wang, Jianli Ge, Qingle Wu, Hao Guo   +5 more
wiley   +1 more source

Filtering antenna with radiation and filtering functions for wireless applications

Journal of Electrical Systems and Information Technology, 2017
This manuscript presents, a new 5th order Chebyshev band pass filter with 2.45 GHz center frequency and 0.1 dB equal-ripple filtering antenna are proposed.
Jagadish Baburao Jadhav, Pramod Jagan Deore   +1 more
doaj   +1 more source

Coaxial Low-Pass Filter Design and Manufacture

IEEE Access, 2023
In this study, a low-pass filter with coaxial transmission lines is designed and produced. The objective for designing a coaxial low-pass filter was to utilize both low-loss transmission and high breakdown voltage capability for high power microwave ...
E. Yilmaz, M. Ucuncu
doaj   +1 more source

On the impact of observation‐error correlations in data assimilation, with application to along‐track altimeter data

Quarterly Journal of the Royal Meteorological Society, EarlyView.
We study the impact of observation‐error correlations in data assimilation using both a simple idealised system and a more realistic configuration. A spectral analysis of data assimilation in the idealised system allows us to gain insights on the effect of observation‐error correlations, which are then validated using the realistic configuration.
Olivier Goux, Anthony T. Weaver, Selime Gürol, Oliver Guillet, Andrea Piacentini   +4 more
wiley   +1 more source

Precise Measurement of Complex Coefficient Filters by Using Square Waves†

IEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
Usually, the frequency characteristics of the complex filter can be examined by applying a pair of quadrature sinusoidal waves (cosωt$$ \cos \omega t $$ and sinωt$$ \sin \omega t $$) to a FUT (filter under test). While this method is recognized for its accuracy, it requires two sinusoidal test signals with tightly matched amplitudes and a strict 90°$$ {
Kazuhiro Shouno, Hiroshi Tanimoto, Cosy Muto   +2 more
wiley   +1 more source

Noncontact Real‐Time Voltage Estimation of a Target Cell in a Photovoltaic Module Using Single‐Wire Clamping

IEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
A modulated light irradiation method is proposed for estimating the working voltage of a target cell in a photovoltaic (PV) module without electrical contacts. However, the proposed method requires a 32‐turn coil inserted into a PV module output in series to boost the sensitivity of an alternating current (AC) clamp sensor with low sensitivity, making ...
Yasuyuki Kobayashi, Hao Jiang, Muhammad Syahir Bin Abdul Ramad   +2 more
wiley   +1 more source

Análisis de filtros con simulink [PDF]

Tecnura, 2010
This paper briefly introduces electronic filters and the design of a Chebyshev filter is shown from two different working approaches. The first one is designed by obtaining the coefficient of the transferfunction taking into account the specification of ...
Lida Buitrago García, Juan Zambrano Caviedes   +1 more
doaj  

Desain dan Realisasi Filter Bandpass Mikrostrip Dengan Struktur Hairpin

Jurnal Elektronika dan Telekomunikasi, 2016
Kebutuhan akan sebuah filter dalam sebuah rangkaian elektronik mutlak diperlukan, dikarenakan sesuai dengan fungsi filter adalah meloloskan frekuensi yang diinginkan dan akan menahan frekuensi yang tidak diinginkan.
Teguh Praludi, Yaya Sulaeman
doaj   +1 more source

Image and video analysis using graph neural network for Internet of Medical Things and computer vision applications

CAAI Transactions on Intelligence Technology, EarlyView.
Abstract Graph neural networks (GNNs) have revolutionised the processing of information by facilitating the transmission of messages between graph nodes. Graph neural networks operate on graph‐structured data, which makes them suitable for a wide variety of computer vision problems, such as link prediction, node classification, and graph classification.
Amit Sharma, Ashutosh Sharma, Alexey Tselykh, Alexander Bozhenyuk, Byung‐Gyu Kim   +4 more
wiley   +1 more source

An Inverted Hermite Kolmogorov–Arnold Network Transformer for multi‐point settlement prediction in high‐speed railway bridge piers

Computer-Aided Civil and Infrastructure Engineering, EarlyView.
Abstract Settlement monitoring of high‐speed railway bridge piers (HSR‐BPs) is critical for ensuring construction and operational safety. However, existing methods for BP settlement prediction face three challenges: limited dataset size, inconsistent observation periods across measuring points, and difficulty in synchronizing spatiotemporal ...
Xunqiang Gong, Qi Liang, Hongyu Wang, Tieding Lu, Junjie Liu, Zhiping Chen, Rui Zhang   +6 more
wiley   +1 more source