Results 21 to 30 of about 603,802 (169)

Inference on Co-Integration Parameters in Heteroskedastic Vector Autoregressions [PDF]

SSRN Electronic Journal, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Boswijk, H. Peter, CAVALIERE, GIUSEPPE, Rahbek, Anders, Taylor, A. M. Robert   +3 more
openaire   +8 more sources

Failure Analysis for Gold Wire Bonding of Sensor Packaging Based on Experimental and Numerical Methods

Micromachines, 2023
There is an increasing demand for the use of automotive sensors where complex working environments may easily lead to failure. Wire pull and shear test models based on finite-element analysis are established to evaluate their reliability by investigating
Yameng Sun, Kun Ma, Yifan Song, Tongtong Zi, Xun Liu, Zheng Feng, Yang Zhou, Sheng Liu   +7 more
doaj   +1 more source

Optimization of Reserve Capacity for New Energy Participating in Primary Frequency Regulation of the Power System

Energies
The frequency regulation problem of the power system under the scenario of a high proportion of new energy access has attracted attention. It has become an important technical means for new energy to reserve a certain amount to participate in system ...
Yichao Jia, Ning Chen, Lei Zhang, Minhui Qian, Bingjie Tang, Yanzhang Liu, Chang Zhou, Peipei Peng   +7 more
doaj   +1 more source

Impact of coffee exports on economic growth in Ethiopia; An empirical investigation

Cogent Economics & Finance, 2022
The major objective of this study was to examine the impact of Coffee exports on economic growth in Ethiopia. The study employed an extended generalized Cobb–Douglas production function model using data from the National Bank of Ethiopia and World Bank ...
Netsanet Gizaw, Jemal Abafita, Tesfaye Melaku Merra   +2 more
doaj   +1 more source

A classifier-assisted evolutionary algorithm with knowledge transfer for expensive multitasking problems

Complex & Intelligent Systems
Surrogate-assisted evolutionary algorithms provide an effective means for complex and computationally expensive optimization problems. However, due to the scarcity of training samples, the prediction accuracy of frequently-used regression surrogate ...
Min Hu, Zhigang Ren, Zhirui Cao, Yifeng Guo, Haitao Sun, Hongyao Zhou, Yu Guo   +6 more
doaj   +1 more source

Seismic Response Analysis and Connection Performance Evaluation of a Hybrid Coupled PEC Wall System

Advances in Civil Engineering, 2020
This paper proposes a hybrid coupled partially encased composite (PEC) wall system, obtained through the connection of two PEC walls by means of the shear critical steel coupling beams with an innovative welded connection.
Yun Shi, Mingzhou Su, Lu Jiang, Qiaoling Zhou, Lingyu Guan, Yukun Yang, Lili Zhang   +6 more
doaj   +1 more source

Tandem Neural Network Based Design of Acoustic Metamaterials for Low-Frequency Vibration Reduction in Automobiles

Crystals
Automotive NVH (Noise, Vibration, and Harshness) performance significantly impacts driving comfort and traffic safety. Vehicles exhibiting superior NVH characteristics are more likely to achieve consumer acceptance and enhance their competitiveness in ...
Jianjiao Deng, Jiawei Wu, Xi Chen, Xinpeng Zhang, Shoukui Li, Yu Song, Jian Wu, Jing Xu, Shiqi Deng, Yudong Wu   +9 more
doaj   +1 more source

Application of blockchain in the cluster of unmanned aerial vehicles

IET Blockchain, 2021
With the considerable exploration of unmanned aerial vehicles in civilian and military fields, the data storage and transmission mechanism of unmanned aerial vehicles exhibit significant security limitations, which cannot meet the strict requirements for
Shiwu Chen, Qin Li, Wei Wang, Yu Yang, Jun Jiang   +4 more
doaj   +1 more source

Impact of Climate Change on Cassava Yield in Nigeria: An Autoregressive Distributed Lag Bound Approach

Agriculture, 2022
Across the globe, climate change is threatening the environment, crop yield and food security. The key to ensuring a sustainable environment, crop yield increase and food security is to identify the long-term significant impact of climate change and the ...
Casmir Ndukaku Anyaegbu, Kingsley Ezechukwu Okpara, Wirach Taweepreda, David Akeju, Kuaanan Techato, Robert Ugochukwu Onyeneke, Saran Poshyachinda, Siwatt Pongpiachan   +7 more
doaj   +1 more source

Multi-Objective Optimization Design of Low-Frequency Band Gap for Local Resonance Acoustic Metamaterials Based on Genetic Algorithm

Machines
Driven by the urgent demand for low-frequency vibration and noise control in engineering scenarios such as automobiles, acoustic metamaterials (AMs), as a new class of functional materials, have demonstrated significant application potential.
Jianjiao Deng, Yunuo Qin, Xi Chen, Yanyong He, Yu Song, Xinpeng Zhang, Wenting Ma, Shoukui Li, Yudong Wu   +8 more
doaj   +1 more source