Zobrazeno 1 - 10
of 235
pro vyhledávání: '"Xi Liao"'
Publikováno v:
Frontiers in Microbiology, Vol 14 (2023)
IntroductionThe primary objective of this study was to investigate the potential correlation between gut microbes and postoperative pulmonary infection in gastric cancer patients. Additionally, we aimed to deduce the mechanism of differential functio
Externí odkaz:
https://doaj.org/article/4557d452fc97467290b304c23a1927cf
Publikováno v:
IET Signal Processing, Vol 16, Iss 7, Pp 800-810 (2022)
Abstract This paper investigates an advanced effective signal processing technique to suppress noise, addressing a modern high‐performance detection in the field of radar sensing. To achieve a higher accuracy, the frequency modulated continuous wav
Externí odkaz:
https://doaj.org/article/0a3bd844e6414afd86793dd8790b54d4
phenoC++: An open-source tool for retrieving vegetation phenology from satellite remote sensing data
Publikováno v:
Frontiers in Environmental Science, Vol 11 (2023)
Satellite-retrieved vegetation phenology has great potential for application in characterizing seasonal and annual land surface dynamics. However, obtaining regional-scale vegetation phenology from satellite remote sensing data often requires extensi
Externí odkaz:
https://doaj.org/article/62b21488f0cc4d55b64dba5ba62647d2
Publikováno v:
Electronics Letters, Vol 58, Iss 14, Pp 560-562 (2022)
Abstract A 3.5 GHz OAM antenna with ±1 mode was designed and fabricated, and the channel measurement in frequency domain was used to measure the channel in full angle domain under indoor multipath scenarios. Then, the modified probability density fu
Externí odkaz:
https://doaj.org/article/705d1b0fa4f9454b8ce75a83b8edf305
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 6, Pp 1-13 (2020)
Optical power splitter (OPS) as one of the basic elements in photonic integrated circuits (PIC) is widely used in many fields. The OPS with continuously adjustable power splitting ratio (PSR) can improve the flexibility of PIC and also simplify the P
Externí odkaz:
https://doaj.org/article/efde2ef5dcd24d94a35a230afd4cc552
Publikováno v:
IEEE Access, Vol 8, Pp 150955-150963 (2020)
Physical layer security is a cross research hotspot of information security and wireless communications. Recently, orbital angular momentum (OAM) technology has attracted widespread attention due to its potential of improving capacity and spectrum ef
Externí odkaz:
https://doaj.org/article/aa33391cb2cd48a794ef5409fbd375df
Publikováno v:
IEEE Access, Vol 8, Pp 204342-204351 (2020)
Vortex wave carrying orbital angular momentum (OAM), an important property of electromagnetic wave, has bridged a new way to achieve high-capacity radio-frequency communications using different OAM-modes. However, the system performance of OAM multip
Externí odkaz:
https://doaj.org/article/d2a3ebf6e80e4b238c9ef7ede23743b2
Publikováno v:
IEEE Access, Vol 7, Pp 59114-59125 (2019)
Orbital angular momentum (OAM) has attracted considerable attention as a novel solution for wireless communications because its orthogonal modes significantly increase the channel capacity without an additional frequency band. The joint multiplexing
Externí odkaz:
https://doaj.org/article/e0184691983a41c5a440d759414bd887
Publikováno v:
IEEE Access, Vol 7, Pp 93286-93293 (2019)
This paper proposes a multi-coefficient estimation method for the dielectric parameters of rough materials and an effect level-based parameterization method for diffuse scattering models to characterize and model the diffuse scattering propagation at
Externí odkaz:
https://doaj.org/article/2a6ef03cf04f43a89be56160a4d6e96e
Publikováno v:
International Journal of Antennas and Propagation, Vol 2020 (2020)
The determination for diffuse scattering model parameters is of critical importance to improve the accuracy of prediction and analysis for millimeter-wave radio propagation. In this paper, a reliable parameterization method with a simplified tuning p
Externí odkaz:
https://doaj.org/article/9e09157f64594b879f0320501d9b5016