13   Artículos

 
en línea
Lizhen Jia, Yanyan Xu and Dengfeng Ke    
Recent speech enhancement studies have mostly focused on completely separating noise from human voices. Due to the lack of specific structures for harmonic fitting in previous studies and the limitations of the traditional convolutional receptive field, ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Liqing Wu, Weiru Fan, Ziyang Chen and Jixiong Pu    
Second harmonic generation has been widely applied in various fields. High second harmonic intensity can facilitate optical imaging, signal sensing, and detection. Thus, enhancing the intensity of the second harmonic is a significant work. However, chang... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ki-Seung Lee    
Moderate performance in terms of intelligibility and naturalness can be obtained using previously established silent speech interface (SSI) methods. Nevertheless, a common problem associated with SSI has involved deficiencies in estimating the spectrum d... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Miodrag D. Ku?ljevic and Vladimir V. Vujicic    
Although voiced speech signals are physical signals which are approximately harmonic and electric power signals are true harmonic, the algorithms used for harmonic analysis in electric power systems can be successfully used in speech processing, includin... ver más
Revista: Acoustics    Formato: Electrónico

 
en línea
R. A. Ganeev, S. Y. Stremoukhov, A. V. Andreev and A. S. Alnaser    
Novel methods of coherent short-wavelength sources generation require thorough analysis for their further amendments and practical implementations. In this work, we report on the quasi-phase matching (QPM) of high-order harmonics generation during the pr... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
This paper solves the problem of reactive power and harmonics compensation in a high-voltage (HV) distribution network supplying nonlinear loads. An inductive filtering (IF) approach where passive filters connect to the filtering winding of a four-windin... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Domenico de Ceglia, Luca Carletti, Maria Antonietta Vincenti, Costantino De Angelis and Michael Scalora    
We investigate the enhancement of second-harmonic generation in cylindrical GaAs nanowires. Although these nanostructures confine light in two dimensions, power conversion efficiencies on the order of 10-5 10 - 5 with a pump peak intensity of ~1 GW/cm2 ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Yanjian Peng, Yong Li, Zhisheng Xu, Ming Wen, Longfu Luo, Yijia Cao and Zbigniew Leonowicz    
Unlike the traditional method for power quality improvement and low-voltage ride through (LVRT) capability enhancement of wind farms, this paper proposes a new wind power integrated system by means of an inductive filtering method, especially if it conta... ver más
Revista: Energies    Formato: Electrónico

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