Zobrazeno 1 - 10
of 3 778
pro vyhledávání: '"signal to noise ratio (SNR)"'
Publikováno v:
Results in Physics, Vol 67, Iss , Pp 108059- (2024)
In this paper, the self-heating effect and channel thermal noise (Sid) in stacked nanosheet gate-all-around (GAA) field effect transistor (FET) are investigated and discussed. In order to calculate channel thermal noise in radio-frequency (RF) operat
Externí odkaz:
https://doaj.org/article/cffb4b0084bb48158fe83d41afabd975
Publikováno v:
Zhihui kongzhi yu fangzhen, Vol 46, Iss 1, Pp 71-77 (2024)
To estimate the parameters of Linear Frequency Modulated (LFM) signal based on Fractional Fourier transform (FRFT), the key issue is to determine the optimal order of FRFT. A new parameter estimation algorithm is proposed based on the idea of error i
Externí odkaz:
https://doaj.org/article/6f880a2c0a0f4ebeb3cfa7b058064717
Autor:
Li Yuanling, Qu Xilong
Publikováno v:
IEEE Access, Vol 12, Pp 175839-175842 (2024)
A method for estimating the signal-to-noise ratio (SNR) using 1-bit quantization of the correlation value is proposed for the full-digital implementation of a spread spectrum receiver. Theoretical analysis, numerical simulation, and experimental veri
Externí odkaz:
https://doaj.org/article/7e29aec5795c4c2998f178711e404fe1
Autor:
Sundarsingh S., Karthikeyan M.
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 6, Pp 1866-1871 (2024)
In the dynamic realm of 5G networks and massive MIMO systems, effectively acquiring Channel State Information Minimization of Pilot Overhead (CSI-MPO) (CSI) has emerged as a critical challenge. The substantial pilot overhead, resulting from the incre
Externí odkaz:
https://doaj.org/article/82bb61b459b34f0bb8f1cfad60f1f586
Autor:
Dominic Chee Yong Ong, Kok Swee Sim
Publikováno v:
IEEE Access, Vol 12, Pp 155747-155772 (2024)
Noises are commonly present in grayscale images, particularly in Scanning Electron Microscope (SEM) images especially secondary emission noise, which can significantly affect their quality. Signal-to-Noise Ratio (SNR) estimation techniques are crucia
Externí odkaz:
https://doaj.org/article/05ed89c7d42b47c2855d325bd066d8fd
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 18235-18246 (2024)
Snow depth monitoring is crucial for hydrology, climate research, and avalanche prediction. While traditional global navigation satellite system (GNSS) reflectometer methods offer cost-effective snow thickness retrieval, they suffer from poor accurac
Externí odkaz:
https://doaj.org/article/00253e5eb2d24badb00473379c9e135a
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 18025-18037 (2024)
The global navigation satellite system reflectometry (GNSS-R) technology has shown significant potential in retrieving snow depth using signal-to-noise ratio (SNR) data. However, compared to traditional in situ snow depth measurement techniques, we h
Externí odkaz:
https://doaj.org/article/477361cf824443a0a8dc8298a81972e4
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16236-16254 (2024)
Blind deblurring of optical remote sensing images has been a longstanding challenge. In recent years, many learning-based deblurring algorithms have been greatly developed. However, these methods often suffer from losing image texture details and som
Externí odkaz:
https://doaj.org/article/1875cbe30af847a683e59572d77e57f9
Publikováno v:
IEEE Access, Vol 12, Pp 125786-125799 (2024)
Surface wave-assisted wireless communication systems have recently emerged as a promising complementary solution for creating a smart radio environment, particularly in the context of beyond-fifth generation (5G) and sixth generation (6G) networks. U
Externí odkaz:
https://doaj.org/article/0a42ab5173434690a9ab7cd036e9bdb4
Autor:
Amira G. Mohamed, Somia A. Abd El-Mottaleb, Mehtab Singh, Hassan Yousif Ahmed, Medien Zeghid, Wazie M. Abdulkawi, Belgacem Bouallegue, Osman Ahmed Abdalla
Publikováno v:
IEEE Access, Vol 12, Pp 117541-117559 (2024)
This study introduces a novel image cryptosystem designed to improve security and reliability within underwater optical wireless communication (UOWC) systems particularly for water bodies that exhibits higher absorption and scattering coefficients. A
Externí odkaz:
https://doaj.org/article/b73fcda8c288444790194d8f62786eb5