|
|
|
|
|
Aliyye Kara, Ibrahim Eksin and Ata Mugan
The design optimization of structures can be conducted in either the time domain or the frequency domain. The frequency domain approach is advantageous compared to its time domain counterpart, especially if the degree of freedom is large, the objectives ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuan Gao, Guoliang Yu and Min Gao
When the adaptive filter length is increased, the calculation complexity increases rapidly because the relationship between the calculation and the adaptive filter length N contains a power function with no secondary path identification algorithm. Under ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chengxu Feng, Yasong Luo, Jianqiang Zhang and Houpu Li
The underwater acoustic communication technique for high-speed and highly reliable information transmission in the ocean has been one of the popular research focuses facing the fast-growing information technology sector and the accelerating development o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nikita R. Poddubrovskii, Ivan A. Lobach and Sergey I. Kablukov
We report on the development of an optical frequency domain reflectometry (OFDR) system based on a continuous-wave Er-doped self-sweeping fiber laser. In this work, we investigate the influence of the input data processing procedure in an OFDR system on ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chibuzo Nwabufo Okwuosa, Ugochukwu Ejike Akpudo and Jang-Wook Hur
In industry, electric motors such as the squirrel cage induction motor (SCIM) generate motive power and are particularly popular due to their low acquisition cost, strength, and robustness. Along with these benefits, they have minimal maintenance costs a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Tang, Chao Luo and Bo Fu
TL-??
f
algorithms are newly developed explicit structure-dependent integration algorithms utilized for solving the temporally discretized equations of motion. In contrast to the existing algorithms, the most significant improvement of TL-??
f
algorith...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dongning Li, Deshan Ma, Dong Su, Shaohua Rao, Wenbin Wang and Chengyu Hong
Long-term monitoring data for super-long piles are scarce and valuable. This paper reports axial strain measurements of a cast-in-place large-diameter pile embedded 76.7 m into a ?weathered trench? of granite in Nanshan District, Shenzhen, China, using B...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chaoli Tang, Dewei Hao, Yuanyuan Wei, Fengmei Zhao, Han Lin and Xin Wu
The time-frequency domain analysis of the sea surface temperature (SST) in the tropical western Indian Ocean was conducted using wavelet analysis, cross wavelet transform (XWT), the Mann?Kendall (MK) test, and other methods based on COBE-SST data for the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuanxing Dai, Zhenghao Liu, Wei Zhang, Jianping Chen and Jianguo Liu
This paper investigates the problem of vibration in an axial flow waterjet propeller with high power density and low specific speed. Based on fluid?structure coupling vibration analysis, combined with modal analysis and ship tests, the unsteady fluid?str...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hong-Chan Chang, Yi-Che Wang, Yu-Yang Shih and Cheng-Chien Kuo
A homemade defective model of an induction motor was created by the laboratory team to acquire the vibration acceleration signals of five operating states of an induction motor under different loads. Two major learning models, namely a deep convolutional...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jixin Yang, Xiao He and Hao Chen
Real sedimentary media can usually be characterized as transverse isotropy. To reveal wave propagation in the true models and improve the accuracy of migrations and evaluations, we investigated the algorithm of wavefield simulations in an anisotropic vis...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kuangyi Li, Wijayanti Dwi Astuti, Ryo Sato, Hiraku Matsukuma and Wei Gao
This paper proposes to utilize a femtosecond Maker fringe for angular measurement to expand the measurement range by using the characteristic of the multiple visible peaks in the Maker fringe. Four different z-cut nonlinear materials and three different ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiong Wang, Wei Liu, Jifeng Ding, Yi Sun and Yongbing Dang
The initiating explosive shock environment of an aerospace mission has the characteristics of instantaneity, high amplitude and a wide frequency domain. An improved method based on the acceleration frequency response function (FRF) and virtual mode synth...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fangming Zhou, Lulu Zhao, Limin Li, Yifei Hu, Xinglong Jiang, Jinpei Yu and Guang Liang
The recently-emerging compressed sensing (CS) theory makes GNSS signal processing at a sub-Nyquist rate possible if it has a sparse representation in certain domain. The previously proposed code-domain compression acquisition algorithms have high computa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shi He and Aijun Wang
The numerical procedures for dynamic analysis of mooring lines in the time domain and frequency domain were developed in this work. The lumped mass method was used to model the mooring lines. In the time domain dynamic analysis, the modified Euler method...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruicong Han and Xuefeng Zhao
Structural health monitoring (SHM) systems using modal- and vibration-based methods, particularly wireless systems, have been widely investigated in relation to the monitoring of damage states in civil infrastructures such as bridges and buildings. Unlik...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jan Philipp Heners, Stephan Stotz, Annette Krosse, Detlef Korte, Maximilian Beck and Damian Vogt
Unsteady pressure fluctuations measured by fast-response pressure transducers mounted in a low-pressure turbine cascade are compared to unsteady simulation results. Three differing simulation approaches are considered, one time-integration method and two...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ricardo Blázquez-Navarro and Roque Corral
A linear frequency domain Navier-Stokes solver is used to retain the influence of turning, thickness, and main geometric parameters on turbine broadband noise. The methodology has been applied to predict the broadband interaction noise produced by a repr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hung-Jie Tang, Chai-Cheng Huang and Ray-Yeng Yang
This study aims to investigate the influence of fishnet mesh size on a floating platform. A self-developed, time-domain numerical model was used for the evaluation. This model is based on potential flow theory, uses the boundary element method (BEM) to s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kazuki Maruta
Pág. 1 - 10
This paper newly proposes a frequency domain backoff scheme dedicated to continuous beamforming space division multiple access (CB-SDMA) on massive antenna systems for wireless entrance (MAS-WE). The entrance base station (EBS) has individual base band s...
ver más
|
|
|
|
|
|