Zobrazeno 1 - 10
of 7 002
pro vyhledávání: '"Least squares support vector machine"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This paper proposes a transformer fault diagnosis method based on ACGAN and CGWO-LSSVM to address the problem of misjudgment and low diagnostic accuracy caused by the small number and uneven distribution of some fault samples in transformer
Externí odkaz:
https://doaj.org/article/c050bf14cab841a7a2eed0b32cdfe4ce
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 4, Pp 128-132 (2024)
In current gas concentration prediction methods, there are problems of data processing uncertainty, feature extraction limitations, and prediction bias caused by subjective factors. In order to solve the above problems, a gas concentration prediction
Externí odkaz:
https://doaj.org/article/8e865eae22044af9901aae5be9e89b27
Publikováno v:
BioResources, Vol 19, Iss 2, Pp 3505-3519 (2024)
The extent of removal of lignin and hemicellulose are crucial indicators for evaluating the efficiency of enzymatic hydrolysis of crop straw. Numerous factors influence these two indices. Establishing a quantitative model that correlates these factor
Externí odkaz:
https://doaj.org/article/6dc04d8d9f334342875c2cddfb335ec2
Publikováno v:
Water Supply, Vol 24, Iss 4, Pp 1131-1148 (2024)
The improvement in predicting groundwater depth accuracy has significant implications for the management, ecological environment protection, and economic and social development of regional water resources. Employing empirical wavelet transform (EWT)
Externí odkaz:
https://doaj.org/article/4a3d3289675041b2b2951c73db4b80cc
Publikováno v:
Shipin yu jixie, Vol 40, Iss 5, Pp 107-112,226 (2024)
Objective: Addressing the issues of poor accuracy and low efficiency in non-destructive testing methods for kiwifruit sugar content. Methods: Proposing a non-destructive testing method for kiwifruit sugar content that combined hyperspectral detection
Externí odkaz:
https://doaj.org/article/675ad4a69ed843b2a63e08c91b8940a6
Publikováno v:
Shipin yu jixie, Vol 40, Iss 2, Pp 57-62 (2024)
Objective: To solve the problems of low accuracy and poor efficiency in the existing rice quality testing methods of food enterprises. Methods: Based on a hyperspectral data acquisition system, a fast and non-destructive detection method for stored r
Externí odkaz:
https://doaj.org/article/f6b9ccbc4574405da9d97db324073984
On line prediction of roll grinding chatter based on EMD component and wavelet packet energy entropy
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 44, Iss 1, Pp 73-84 (2024)
To address the issue of partial feature loss in the single processing method within the time-frequency domain for roll grinding chatter, a combined time-frequency domain method is proposed to process signal feature. An intelligent algorithm is used t
Externí odkaz:
https://doaj.org/article/0980d95864dd4263937113865831d657
Autor:
Somayeh Komeylian, Christopher Paolini
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 4, Pp 855-868 (2024)
Research in the field of fault detection has steadily been developing for monitoring the performance of array antennas in the presence of errors in excitation phases and amplitudes. The presence of faulty elements degrades significantly the radiation
Externí odkaz:
https://doaj.org/article/46e51f36afb344b4bec5019055fc68ba
Autor:
Rami Mobarak, Andrea Tigrini, Federica Verdini, Ali H. Al-Timemy, Sandro Fioretti, Laura Burattini, Alessandro Mengarelli
Publikováno v:
IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol 32, Pp 812-821 (2024)
In this study, a minimal setup for the ankle joint kinematics estimation is proposed relying only on proximal information of the lower-limb, i.e. thigh muscles activity and joint kinematics. To this purpose, myoelectric activity of Rectus Femoris (RF
Externí odkaz:
https://doaj.org/article/8395cbf79a4f40a89f01a780387fcafc
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2023, Iss 1, Pp 1-22 (2023)
Abstract RF fingerprints can be used for device identification and network access authentication. An RF fingerprint extraction and device identification algorithm based on multi-scale fractal features and APWOA-LSSVM is proposed. First, a Hilbert tra
Externí odkaz:
https://doaj.org/article/6d04fe8dca014888815601f7f20a80b1