Zobrazeno 1 - 10
of 3 234
pro vyhledávání: '"signal enhancement"'
Autor:
CHENG Fengyun, ZHOU Jin
Publikováno v:
Dianxin kexue, Vol 40, Pp 139-150 (2024)
The existing modulation recognition algorithms based on deep learning theory require a large number of IQ signal samples during the training phase. It is difficult to obtain a large number of samples in complex electromagnetic environments, resulting
Externí odkaz:
https://doaj.org/article/273614ee947f425bbd660e18fea1493d
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 2, Pp 251-259 (2024)
In the acoustic signal receiving section of underwater vehicle, an effective measure to improve surface acoustic impedance and reduce signal attenuation is to cover acoustic barrier plate of hydrophone array with high impedance material (signal condi
Externí odkaz:
https://doaj.org/article/5f2b776775bd44d398528dbde61dbf51
Autor:
Pedro Réu, Giulia Gaudenzi, Deborah Nanjebe, Gustav Svedberg, Dan Nyehangane, Miren Urrutia Iturritza, Phuthumani Mlotshwa, Chris Hadjineophytou, Jens Karlsson, Jesper Gantelius, Juliet Mwanga-Amumpaire, Edmund Loh, Helene Andersson Svahn, Elias Kumbakumba, Tobias Alfvén, Yap Boum II, Aman Russom
Publikováno v:
Talanta Open, Vol 10, Iss , Pp 100357- (2024)
Objectives: Meningitis is a medical emergency, and it is crucial to diagnose it accurately and promptly in order to manage patients effectively. It would, therefore, be essential to introduce and have fast, accurate, and user-friendly methods to dete
Externí odkaz:
https://doaj.org/article/a62aad44a05743819233efe1f02ad6bd
Autor:
Jang Woo Park, Yunan Tian, Sang-Tae Kim, Chanwoo Park, Yu Mi Kim, Hye Kyung Chung, Kyeong Min Kim, Geon-Ho Jahng
Publikováno v:
Frontiers in Pharmacology, Vol 15 (2024)
BackgroundOligomeric amyloid beta (oAβ) is a toxic factor that acts in the early stage of Alzheimer’s disease (AD) and may initiate the pathologic cascade. Therefore, detecting oAβ has a crucial role in the early diagnosis, monitoring, and treatm
Externí odkaz:
https://doaj.org/article/1710f274118e4087bbe289dab252f9e1
Publikováno v:
工程科学学报, Vol 46, Iss 1, Pp 23-32 (2024)
Laser-induced breakdown spectroscopy (LIBS) is a type of atomic emission spectroscopy for multi-element analysis. This analysis is rapid and accurate, has a simple sample preparation, and realizes remote analysis. However, the accuracy of the qualita
Externí odkaz:
https://doaj.org/article/d63c8f04a1ab4613aed88b4d4a8c4e38
Publikováno v:
IEEE Access, Vol 12, Pp 121712-121722 (2024)
In the realms of Internet of Things (IoT), satellite communication, and related scenarios, automatic modulation recognition is crucial for accurate signal demodulation. In complex communication environments, accurately identifying diverse modulation
Externí odkaz:
https://doaj.org/article/3bed9f09067e4a0bb576eaea9866d607
Publikováno v:
IEEE Access, Vol 12, Pp 38525-38541 (2024)
This paper undertakes a comprehensive investigation that surpasses the conventional examination of signal enhancement techniques and their effects on visual Simultaneous Localization and Mapping (vSLAM) performance across diverse scenarios. Going bey
Externí odkaz:
https://doaj.org/article/a245504942804dd4a8a20a954e1e04a1
Publikováno v:
IEEE Access, Vol 12, Pp 9458-9467 (2024)
Aiming at the problem that the characteristic frequency amplitude of early bearing fault signals is weak and difficult to extract under the strong noise, a vibration signal enhancement method based on maximum overlapping wavelet packet transform (MOD
Externí odkaz:
https://doaj.org/article/acd9bcdb659e449186d8d125c367eb9c
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 12 (2024)
Cells constitute the fundamental units of living organisms. Investigating individual differences at the single-cell level facilitates an understanding of cell differentiation, development, gene expression, and cellular characteristics, unveiling the
Externí odkaz:
https://doaj.org/article/b350fa56ef2a424a83dfd5b97952a8a8
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30447- (2024)
We report an efficient sample preparation method (freezing) for onsite fat and meat analysis via a specially designed thermoelectric cooling and temperature-controlling system. This investigation also focused on the effect of phase change on the sens
Externí odkaz:
https://doaj.org/article/4a21c4a3c6ee435f971b6a4301a17615