45   Artículos

 
en línea
Jin-Hyo Kim and Sang-Min Sung    
Unmanned aerial vehicle (UAV) photogrammetry is an emerging means of acquiring high-precision rapid spatial information and data because it is cost-effective and highly efficient. However, securing uniform quality in the results of UAV photogrammetry is ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ping Huang and Yafeng Wu    
Airborne speech enhancement is always a major challenge for the security of airborne systems. Recently, multi-objective learning technology has become one of the mainstream methods of monaural speech enhancement. In this paper, we propose a novel multi-o... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Naveed Ur Rehman Junejo, Mariyam Sattar, Saifullah Adnan, Haixin Sun, Abuzar B. M. Adam, Ahmad Hassan and Hamada Esmaiel    
In the past decades, researchers/scientists have paid attention to the physical layer of underwater communications (UWCs) due to a variety of scientific, military, and civil tasks completed beneath water. This includes numerous activities critical for co... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Hindavi Kishor Jadhav, Vinoth Babu Kumaravelu, Arthi Murugadass, Agbotiname Lucky Imoize, Poongundran Selvaprabhu and Arunkumar Chandrasekhar    
The sixth-generation (6G) network is supposed to transmit significantly more data at much quicker rates than existing networks while meeting severe energy efficiency (EE) targets. The high-rate spatial modulation (SM) methods can be used to deal with the... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Zhichao Peng, Wenhua He, Yongwei Li, Yegang Du and Jianwu Dang    
Speech emotion recognition is a critical component for achieving natural human?robot interaction. The modulation-filtered cochleagram is a feature based on auditory modulation perception, which contains multi-dimensional spectral?temporal modulation repr... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Hwan Shim, Leah Gibbs, Karsyn Rush, Jusung Ham, Subong Kim, Sungyoung Kim and Inyong Choi    
Selective attention can be a useful tactic for speech-in-noise (SiN) interpretation as it strengthens cortical responses to attended sensory inputs while suppressing others. This cortical process is referred to as attentional modulation. Our earlier stud... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Francisco R. Castillo-Soria, J. Alberto Del Puerto-Flores, Cesar A. Azurdia-Meza, Vinoth Babu Kumaravelu, Jorge Simón and Carlos A. Gutierrez    
This paper presents two precoding techniques for a reconfigurable intelligent surface (RIS)-assisted multi-user (MU) multiple-input multiple-output (MIMO) double quadrature spatial modulation (DQSM) downlink transmission system. Instead of being applied ... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Soohyun Cho    
Herein, we propose the use of the logarithmic values of data transmission rates for multi-armed bandit (MAB) algorithms that adjust the modulation and coding scheme (MCS) levels of data packets in carrier-sensing multiple access/collision avoidance (CSMA... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Xinhe Zhang, Wenbo Lv and Haoran Tan    
Generalized spatial modulation (GSM) technology is an extension of spatial modulation (SM) technology, and one of its main advantages is to further improve band efficiency. However, the multiple active antennas for transmission also brings the demodulati... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Wenxian Li, Chengshan Han, Congjun Wu, Yawei Huang and Hang Zhang    
In this study, we developed a numerical model of the coupled modulation transfer function (coupled-MTF) based on the discrete sampling system from the perspective of optical system imaging quality evaluation for coupled two-dimensional discrete sampling ... ver más
Revista: Applied Sciences    Formato: Electrónico

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