Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Ke-Wen Xia"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2020 (2020)
The aim of the research is to propose a new optimization method for the multiconstrained optimization of sparse linear arrays (including the constraints of the number of elements, the aperture of arrays, and the minimum distance between adjacent elem
Externí odkaz:
https://doaj.org/article/b69dba44054b4dc2812dea8b7e46ca0c
Publikováno v:
International Journal of Antennas and Propagation, Vol 2018 (2018)
Antenna array pattern synthesis technology plays a vital role in the field of smart antennas. It is well known that the pattern synthesis of homogeneous array is the key topic of pattern synthesis technology. But this technology needs plenty of homog
Externí odkaz:
https://doaj.org/article/ef0166c12be44b75a10e6247f94654e0
Publikováno v:
International Journal of Antennas and Propagation, Vol 2020 (2020)
The aim of the research is to propose a new optimization method for the multiconstrained optimization of sparse linear arrays (including the constraints of the number of elements, the aperture of arrays, and the minimum distance between adjacent elem
Publikováno v:
International Journal of Antennas and Propagation, Vol 2018 (2018)
Antenna array pattern synthesis technology plays a vital role in the field of smart antennas. It is well known that the pattern synthesis of homogeneous array is the key topic of pattern synthesis technology. But this technology needs plenty of homog
Publikováno v:
Applied Mechanics and Materials. :1359-1365
In order to reduce Gaussian and Salt & Pepper noises, a combination approach to noise reduction is presented by combining the median filter with the mean filter. The detail simulations show that the mode which the median filtering first and then the
Autor:
Ke Wen Xia, Zhen Jian Yang
Publikováno v:
Applied Mechanics and Materials. 151:576-582
Presently recommendation systems have gradually become an important part in E-Commerce, more and more research papers about recommendation systems in E-Commerce appeared in many kinds of conferences and journals. With expanding of E-Commerce it also
Autor:
Guo Dong Li, Ke Wen Xia
Publikováno v:
Applied Mechanics and Materials. 151:570-575
Aiming at the problem of NewMoment algorithm frequently do leftcheck operation in the data mining process, which leads to the low efficiency of algorithm. In this paper, a new method, called LevelMoment, is proposed to improve the NewMoment algorithm
Publikováno v:
Applied Mechanics and Materials. :3-7
CDMA multiuser detection (MUD) is a crucial technique to mobile communication. We adopt improved particle swarm optimization (PSO) algorithm in MUD which incorporates factor and utilizes function to discrete PSO. Comparison of BER and near-far effect
Publikováno v:
Advanced Materials Research. :872-878
Ultra-wideband(UWB) is currently one of three new technologies of wireless communication. Multi-user detection technique is mainly used to eliminate multiple access interference(MAI)in DS-CDMA UWB communication systems. Linear multi-user detectio
Publikováno v:
Applied Mechanics and Materials. :364-369
The network traffic is one of the important metrics for describing network behaviors, it plays an important role in network design, network protocol and traffic project implementation. In order to solve some problems in network traffic prediction, ac