Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Carlos Pomalaza-Ráez"'
Publikováno v:
Sensors, Vol 14, Iss 2, Pp 2362-2378 (2014)
The use of a multiple input single output (MISO) transmit beamforming system using dimmable light emitting arrays (LEAs) in the form of a uniform circular array (UCA) of transmitters is proposed in this paper. With this technique, visible light commu
Externí odkaz:
https://doaj.org/article/d17c1bc6e7434e81a6d838e5e9c0ec8b
Autor:
Zhuming Bi, Carlos Pomalaza-Ráez, Dustin Hershberger, Jeremy Dawson, Andrew Lehman, John Yurek, Jared Ball
Publikováno v:
Robotics, Vol 7, Iss 1, p 1 (2017)
Traditional automated systems, such as industrial robots, are applied in well-structured environments, and many automated systems have a limited adaptability to deal with complexity and uncertainty; therefore, the applications of industrial robots in
Externí odkaz:
https://doaj.org/article/aa591f61e08b416e90adb18b80aeaa92
Publikováno v:
2009 Annual Conference & Exposition Proceedings.
Autor:
Carlos Pomalaza-Ráez, Yanfei Liu
Publikováno v:
International Journal of Computer Theory and Engineering. :60-64
Camera calibration in an outdoor environment often relies on natural landmarks, and algorithms that are computational expensive. This paper presents a fast camera calibration method that uses robots themselves as landmarks to each other. The active l
Publikováno v:
Telecom, Vol 2, Iss 3, Pp 285-301 (2021)
This paper describes the development and evaluation of an on-body flexible antenna designed for an in-body application, as well as on-body communications at ISM and UWB frequency bands. The evaluation is performed via electromagnetic simulations usin
Externí odkaz:
https://doaj.org/article/e5319bff03b84434baba9707cefde3c6
Autor:
Carlos Pomalaza-Ráez, Yanfei Liu
Publikováno v:
Advances in Mechatronics
This chapter discusses the use of self-landmarking with autonomous mobile robots. Of particular interest are outdoor applications where a group of robots can only rely on themselves for purposes of self-localization and camera calibration, e.g. plane
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17fdf5e28842ce8a80b809ad5496d923
https://doi.org/10.5772/21625
https://doi.org/10.5772/21625
Publikováno v:
IEEE Access, Vol 9, Pp 46240-46259 (2021)
This paper presents comprehensive study on fat as propagation medium in abdominal implant communication system at low ultrawideband (UWB) frequency range 3.75-4.25 GHz. The main aim is to investigate how signal propagates through visceral and subcuta
Externí odkaz:
https://doaj.org/article/8f4b78db08ea46c4860847f52fc82947
Autor:
Mariella Sarestoniemi, Carlos Pomalaza-Raez, Chaimaa Kissi, Markus Berg, Matti Hamalainen, Jari Iinatti
Publikováno v:
IEEE Access, Vol 8, Pp 55953-55968 (2020)
This paper presents a study on the ultra wideband (UWB) radio channel characteristics between a capsule endoscope and a directive on-body antenna in different parts of the small intestine. The study is conducted using a finite integration technique (
Externí odkaz:
https://doaj.org/article/9e6d1267765f45b7a036c07271725b2e
Autor:
Mariella SarestoNiemi, Carlos Pomalaza-raez, Zhuming Bi, Timo Kumpuniemi, Chaimaa Kissi, Marko Sonkki, Matti Hamalainen, Jari Iinattit
Publikováno v:
IEEE Access, Vol 7, Pp 74670-74682 (2019)
This paper presents a comprehensive study on the impact of the sternotomy wires on the characteristics of ultra wideband (UWB) radio propagation channel in the human chest area. The study is conducted using two simulation models: a planar layer model
Externí odkaz:
https://doaj.org/article/50ed2276b85240b780355824478e5e4e
Autor:
Chaimaa Kissi, Mariella Sarestoniemi, Timo Kumpuniemi, Marko Sonkki, Sami Myllymaki, Mohamed Nabil Srifi, Carlos Pomalaza-Raez
Publikováno v:
IEEE Access, Vol 7, Pp 149026-149038 (2019)
A new antenna structure is presented in this paper. The antenna is operating at the Ultra-Wideband (UWB) band, 3.75-4.25 GHz, defined originally in Body Area Networks (BAN) part of IEEE 802.15.6 standard. The antenna size is 89 mm × 60 × 21 mm. The
Externí odkaz:
https://doaj.org/article/1a1c0bc2dc6f4e7e84776cbbc1f00def