Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Digital down conversion"'
Akademický článek
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Publikováno v:
Chinese Journal of Magnetic Resonance, Vol 36, Iss 3, Pp 278-287 (2019)
In this paper, the use of software radio technology for signal reception in magnetic resonance imaging (MRI) was attempted. A radio frequency direct band-pass sampling method was proposed for signal reception in MRI. For this method, a digital demodu
Externí odkaz:
https://doaj.org/article/45f50f6a9adb460c850ab59a5d324059
Publikováno v:
Dianzi Jishu Yingyong, Vol 44, Iss 3, Pp 47-51 (2018)
In order to achieve high resolution imaging with different distances, a target range direction detection system is designed and tested under the frequency modulated continuous wave(FMCW) circular scanning synthetic aperture radar(SAR) system. The sys
Externí odkaz:
https://doaj.org/article/aab995188e174e96ad5705df9ae22b3d
Publikováno v:
Sensors, Vol 21, Iss 18, p 6029 (2021)
This paper presents a method for implementing the configuration structure of an integrated computational core of a pulsed nuclear quadrupole resonance (NQR) sensor based on a field-programmable gate array (FPGA), which comprises the following modules
Externí odkaz:
https://doaj.org/article/983cc1a1984c4de0893224ddaca00510
Publikováno v:
Chinese Journal of Magnetic Resonance, Vol 34, Iss 4, Pp 489-497 (2017)
A magnetic resonance imaging receiver design based on NI PXIe-7966R is proposed, with which the magnetic resonance signals are sampled directly and down-converted digitally, the raw data are uploaded and the magnetic resonance image are restored. The
Externí odkaz:
https://doaj.org/article/28d1e59888074b47895d6184970f0629
Autor:
Cao Jingsheng, Wang Hongliang
Publikováno v:
Dianzi Jishu Yingyong, Vol 44, Iss 2, Pp 3-5 (2018)
In the design of receiving circuit of anti radiation seeker, aiming at the heavy amount of data processing in the back end signal and the complicated connection between analog front end and digital back end, a receiver scheme of seeker based on digit
Externí odkaz:
https://doaj.org/article/96ebf82ab11e486a8fd134d524071679
Publikováno v:
Gong-kuang zidonghua, Vol 40, Iss 1, Pp 59-62 (2014)
In view of problem that low-pass decimation filter has big passband distortion and serious resource consumption in existing digital down conversion system, a digital down conversion system based on Simulink was designed adopting sharpening technique
Externí odkaz:
https://doaj.org/article/642492bcf4d54363ade1e5a203f9368d
Publikováno v:
Sensors, Vol 21, Iss 6029, p 6029 (2021)
Sensors
Volume 21
Issue 18
Sensors (Basel, Switzerland)
Sensors
Volume 21
Issue 18
Sensors (Basel, Switzerland)
This paper presents a method for implementing the configuration structure of an integrated computational core of a pulsed nuclear quadrupole resonance (NQR) sensor based on a field-programmable gate array (FPGA), which comprises the following modules
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17dd6b07cbc897ae891606704c9e6225
https://www.mdpi.com/1424-8220/21/18/6029
https://www.mdpi.com/1424-8220/21/18/6029
ITC/USA 2006 Conference Proceedings / The Forty-Second Annual International Telemetering Conference and Technical Exhibition / October 23-26, 2006 / Town and Country Resort & Convention Center, San Diego, California
This paper presents a practic
This paper presents a practic
Externí odkaz:
http://hdl.handle.net/10150/603939
http://arizona.openrepository.com/arizona/handle/10150/603939
http://arizona.openrepository.com/arizona/handle/10150/603939
Akademický článek
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