24   Artículos

 
en línea
Shengqin Bian, Xinyu He, Zhengguang Xu and Lixin Zhang    
Noise filtering is a crucial task in digital image processing, performing the function of preprocessing. In this paper, we propose an algorithm that employs deep convolution and soft thresholding iterative algorithms to extract and learn the features of ... ver más
Revista: Computers    Formato: Electrónico

 
en línea
Lanting Li, Tianliang Lu, Xingbang Ma, Mengjiao Yuan and Da Wan    
In recent years, voice deepfake technology has developed rapidly, but current detection methods have the problems of insufficient detection generalization and insufficient feature extraction for unknown attacks. This paper presents a forged speech detect... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Fengzhong Qu, Zhengchao Li, Minhao Zhang, Xingbin Tu and Yan Wei    
Wireless communication at sea is an essential way to establish a smart ocean. In the communication system, however, signals are affected by the carrier frequency offset (CFO), which results from the Doppler effect and crystal frequency offset. The offset... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Subhrajit Dey, Rajdeep Bhattacharya, Friedhelm Schwenker and Ram Sarkar    
Image denoising is a challenging research problem that aims to recover noise-free images from those that are contaminated with noise. In this paper, we focus on the denoising of images that are contaminated with additive white Gaussian noise. For this pu... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Dah-Jing Jwo    
The goal of this paper is to explore the effect of various parameters on the information geometric structure of the phase-locked loop (PLL) statistics, both transient and stationary. Comprehensive treatment on the behavior of PLL statistics will be given... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Xiao Zhou, Chengyou Wang and Ruiguang Tang    
This channel estimation method can be utilized to improve the underwater acoustic communication and fifth-generation (5G) wireless communication systems.
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Min Zhang, Zhongwei Yu, Hai Wang, Hongbo Qin, Wei Zhao and Yan Liu    
Neural network shows great potential in modulation classification because of its excellent accuracy and achievability but overfitting and memorizing data noise often happen in previous researches on automatic digital modulation classifier. To solve this ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Izz Abboud,Muaayed Al-Rawi,Nasir Al-Awad     Pág. 30 - 34
This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying (QPSK) and M-ary quadrature amplitude modulation(M-QAM) with M=8, 16, 32, and 64. The convolution... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

 
en línea
Mohamed Tamazin, Ahmed Gouda and Mohamed Khedr    
Many new consumer applications are based on the use of automatic speech recognition (ASR) systems, such as voice command interfaces, speech-to-text applications, and data entry processes. Although ASR systems have remarkably improved in recent decades, t... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Nasir Al-Awad,Muaayed Al-Rawi     Pág. 39 - 42
This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying (QPSK) and M-ary quadrature amplitude modulation(M-QAM) with M=8, 16, 32, and 64. The convolution... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

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