Zobrazeno 1 - 10
of 1 140
pro vyhledávání: '"Ni Wen"'
Interference detection and diversity suppression algorithm of OFDM system under partial-band jamming
Publikováno v:
Tongxin xuebao, Vol 42, Pp 194-204 (2021)
For the currently widely-used OFDM system, which greatly improved the communication performance under the condition of partial-band jamming, an interference detection algorithm based on FCVE and an interference suppression algorithm based on frequenc
Externí odkaz:
https://doaj.org/article/12253b77971947e6b0f13e094fdcc344
Publikováno v:
Tongxin xuebao, Vol 42, Pp 64-71 (2021)
A low-complexity and frequency-offset-robust synchronization algorithm based on CAZAC sequence was proposed, which was suitable for burst OFDM systems.A new preamble sequence was constructed based on the CAZAC sequence, and its simplified timing metr
Externí odkaz:
https://doaj.org/article/0831d98b04d0486d9b8658c5f29af359
Publikováno v:
工程科学学报, Vol 40, Iss 10, Pp 1177-1186 (2018)
The depth and scale of potash mines is currently increasing. Backfill materials with higher homogeneity and greater fluidity property are required to prevent blocking and ensure that filling materials are transported safely to the underground mines.
Externí odkaz:
https://doaj.org/article/f3d2a9f2486a4ba19d84a473bcb1deee
Publikováno v:
工程科学学报, Vol 40, Iss 9, Pp 1027-1035 (2018)
In cement production, the synergistic use of municipal solid waste incineration (MSWI) fly ash provides a novel approach to solve the problem of the increasing productions of fly ash and heavy metal ions. In this study, slag-steel slag based cementit
Externí odkaz:
https://doaj.org/article/91b0a6884350475f87e0c8ac6e3a63b7
Publikováno v:
工程科学学报, Vol 40, Iss 6, Pp 658-664 (2018)
Diopside[CaMg(SiO3)2] is a common mineral form of calcium magnesium silicate. Apart from dioside quarries, diopside also appears in skarn tailings. Diopside is a novel energy-saving raw material, mainly used in the ceramics industry. Glazed tiles pre
Externí odkaz:
https://doaj.org/article/425c4a1d1d024dce9faa675a5ef050be
Publikováno v:
工程科学学报, Vol 38, Iss 7, Pp 899-905 (2016)
Backfilling material specimens were prepared with Pb-bearing ore tailings and a blast furnace slag-steel slag based cementing agent(BSCA) used as a replacement for cement in traditional backfilling materials. Other types of specimens with ordinary Po
Externí odkaz:
https://doaj.org/article/3794a3af42ac4d32baade6522ec4959d
Publikováno v:
工程科学学报, Vol 37, Iss 11, Pp 1491-1497 (2015)
The substitution of iron ore tailing powders(IP) for fly ash as mineral admixtures was studied in the development of engineered cementitious composites(ECC). The focus was placed on the effect of IP content on the tensile properties and compressive s
Externí odkaz:
https://doaj.org/article/2e25a98988cf44b39fb575f09b14a13a
Publikováno v:
工程科学学报, Vol 37, Iss 4, Pp 414-421 (2015)
A new cementing agent, RSGC, designed for filling was prepared with red mud, blast furnace slag, flue gas desulphurization gypsum and a little cement clinker. The adaptability of RSGC used in different mines was studied and the early hydration includ
Externí odkaz:
https://doaj.org/article/ae71311072e5415e919da3964741bcec
Publikováno v:
工程科学学报, Vol 37, Iss 3, Pp 359-365 (2015)
Hydration reactions of samples made from skarn-type copper tailings, blast furnace slag, quartz sand, cement clinker and natural gypsum during the process of pre-curing, autoclaving and re-curing were investigated by strength testing, X-ray diffracti
Externí odkaz:
https://doaj.org/article/34fcf14db6094ffdac5120f843a1ab64
Autor:
Liu, Yuhang, Zhang, Siqi, Ni, Wen, Guan, Dongshang, Chen, Xiang, Zhao, Tong, Wu, Zeping, Zheng, Yongchao
Publikováno v:
In Construction and Building Materials 29 November 2024 453