Zobrazeno 1 - 10
of 1 605
pro vyhledávání: '"spectrum estimation"'
Autor:
Lei Lu, Tingting Zhu, Ying Tan, Jiandong Zhou, Jenny Yang, Lei Clifton, Yuan-Ting Zhang, David A. Clifton
Publikováno v:
Mathematical Biosciences and Engineering, Vol 21, Iss 8, Pp 6758-6782 (2024)
Heart rate variability (HRV) is an important metric in cardiovascular health monitoring. Spectral analysis of HRV provides essential insights into the functioning of the cardiac autonomic nervous system. However, data artefacts could degrade signal q
Externí odkaz:
https://doaj.org/article/dd5276b941ca43fcbdf3025211f59c66
Akademický článek
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Autor:
Guobin Gu, Xin Sun, Benxiao Lou, Xiang Wang, Bingheng Yang, Jianqiu Chen, Dan Zhou, Shiqian Huang, Qingwei Hu, Chun Bao
Publikováno v:
Sensors, Vol 24, Iss 21, p 7045 (2024)
Mixed non-motorized traffic is largely unaffected by motor vehicle congestion, offering high accessibility and convenience, and thus serving as a primary mode of “last-mile” transportation in urban areas. To advance stochastic capacity estimation
Externí odkaz:
https://doaj.org/article/4689ad4d39404043b6488058964ad2e8
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 9, p 1666 (2024)
The uncertainty in estimating the wave spectrum from the records of wave elevation by heave–pitch–roll buoys is studied, considering the effects of the estimation method and the spectral resolution adopted in the process. This investigation utili
Externí odkaz:
https://doaj.org/article/e01ed597bd4c4ae18c2d7763fbcba768
Akademický článek
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Publikováno v:
Hangkong bingqi, Vol 30, Iss 1, Pp 120-126 (2023)
In order to solve the problem of large computation and high operation complexity in spatial spectrum estimation combined with polarization domain spectrum estimation of polarization sensitive surface array, a dimension reduction root MUSIC (Multiple
Externí odkaz:
https://doaj.org/article/9ed0927c723745d8bb577b0f090afbe3
Publikováno v:
Remote Sensing, Vol 16, Iss 12, p 2186 (2024)
How to enhance the desired signal with low signal-to-noise ratio (SNR) is a difficult problem in the estimation process of the direction-of-arrival (DOA) of the target scattering wave signal. In this paper, the feasibility of spatial spectrum estimat
Externí odkaz:
https://doaj.org/article/20924f4ad3764bf88603905bea56edca
Autor:
Natalia A. Schmid, Matthew C. Valenti, Katelyn M. Hampel, Jinyu Zuo, Priyanka Das, Stephanie Schuckers, Joseph Skufca
Publikováno v:
Sensors, Vol 24, Iss 9, p 2797 (2024)
In this paper, we evaluate the uniqueness of a hypothetical iris recognition system that relies upon a nonlinear mapping of iris data into a space of Gaussian codewords with independent components. Given the new data representation, we develop and ap
Externí odkaz:
https://doaj.org/article/748c37b981994099a76a38cf7edd4a10
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 6, Pp 1744-1752 (2023)
The high-speed development of wireless communication technology has emerged in the surging insistence on optimal spectrum resources. Nevertheless, in consonance to a contemporary study, most of the assigned frequency encounters notable underutilizati
Externí odkaz:
https://doaj.org/article/1fad49a2880e4a66973c3febcb1db95d
Publikováno v:
IEEE Access, Vol 11, Pp 27955-27962 (2023)
The two-dimensional optimization capability of the space-time minimum variance distortionless response (STMVDR) can improve the spatial spectrum estimation performance of the broadband beamformer with limited samples, but its high sensitivity to freq
Externí odkaz:
https://doaj.org/article/2afd96516460413da9c8eeacdf00cbd7