Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Weining Ni"'
Autor:
Liangchen Zhang, Junqiang Lu, Jinping Wu, Baiyong Men, Chao Xie, Yanbo Zong, Shubo Yang, Weining Ni
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5292 (2024)
Extracting head waves and subsequently uploading their results from the downhole to the surface system in real time could improve the real-time guidance of ultrasonic imaging logging while drilling (UILWD) for drilling operations. To realize the down
Externí odkaz:
https://doaj.org/article/f4af2c8bd9a24a8f9edefb0b0d55587c
Publikováno v:
2021 IEEE International Conference on Imaging Systems and Techniques (IST).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dfc8dbd5eafbeb0d378b9cfb636bd03
https://doi.org/10.1109/ist50367.2021.9651368
https://doi.org/10.1109/ist50367.2021.9651368
Publikováno v:
Proceedings of the 2016 4th International Conference on Machinery, Materials and Computing Technology.
With the number of old oil fields exploited by horizontal well increased, the complexity and difficulty to extract oil from reservoir geology promote the further development of logging while drilling (LWD) technology. Thus, the LWD technology develop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8450b750276d8f6233bfb32c58827f47
https://doi.org/10.2991/icmmct-16.2016.110
https://doi.org/10.2991/icmmct-16.2016.110
Publikováno v:
IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 17:793-802
This paper compares different DeltaSigma modulation techniques for direct digital frequency synthesis (DDS). DeltaSigma modulators such as MASH, feedforward, feedback, and error feedback have been implemented in both the phase and frequency domains i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e4d81003d6759bd28fa68c4962cdca0
https://doi.org/10.1109/tvlsi.2008.2008458
https://doi.org/10.1109/tvlsi.2008.2008458
Publikováno v:
Advances in Computer Science Research.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef80440ea4c087ab7eec08f9ec17e117
https://doi.org/10.2991/icmra-15.2015.106
https://doi.org/10.2991/icmra-15.2015.106
Publikováno v:
IEEE Journal of Solid-State Circuits. 41:839-850
This paper presents a direct digital frequency synthesizer (DDFS) with a 16-bit accumulator, a fourth-order phase domain single-stage /spl Delta//spl Sigma/ interpolator, and a 300-MS/s 12-bit current-steering DAC based on the Q/sup 2/ Random Walk sw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09c46fcd862353af08c44e7147875f6c
https://doi.org/10.1109/jssc.2006.870749
https://doi.org/10.1109/jssc.2006.870749
Publikováno v:
Frontiers in Psychology, Vol 13 (2022)
Before making travel plans, people often use the Internet to collect relevant information to help themselves make better decisions. Among the numerous information search channels, Internet search engine is used by the vast number of travelers because
Externí odkaz:
https://doaj.org/article/2cb77d3a33e147298094da49f3c5d4a2
Publikováno v:
2009 IEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC).
This paper presents an 8-bit low power cascaded folding and interpolating analog-to-digital converter (ADC) with Current Mode Logic(CML). A reduction in the number of comparators, equal to the number of times the signal is folded, is obtained. To ens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ff8d10d93e38d2690f330fa8cfa8605
https://doi.org/10.1109/edssc.2009.5394184
https://doi.org/10.1109/edssc.2009.5394184
Publikováno v:
2009 International Conference on Wireless Communications & Signal Processing.
This paper describes a 12-bit 200 MHz CMOS DAC for wireless communication. The proposed DAC consists of a unit current-cell matrix for 6 MSBs and a unit current-cell matrix for 4 NSBs and a binary-weighted array for 2 LSBs. In order to ensure the lin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fc5566d61391f7cc969e15df7c99987
https://doi.org/10.1109/wcsp.2009.5371403
https://doi.org/10.1109/wcsp.2009.5371403
Publikováno v:
2008 4th IEEE International Conference on Circuits and Systems for Communications.
In this paper, a 10-bit 300 MHz current-steering D/A converter in 0.35-mum CMOS is presented. Running from a single 3.3V power supply, it has a power consumption of 100mW for an clock signal of 300MHz for the use of the limited current cell switch ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76adae4219038aed5be5b4f6d737ce7c
https://doi.org/10.1109/iccsc.2008.70
https://doi.org/10.1109/iccsc.2008.70