Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Birk Hattenhorst"'
Publikováno v:
Sensors, Vol 24, Iss 9, p 2673 (2024)
This contribution focuses on the detection of tracer particles within non-homogeneous bulk media, aiming to enhance insights into particulate systems. Polarimetric radar measurements are employed, utilizing cross-polarizing channels in order to mitig
Externí odkaz:
https://doaj.org/article/4f2abb52e32d492db9e80ad38baddb1d
Publikováno v:
Sensors, Vol 21, Iss 14, p 4830 (2021)
In this contribution, we are investigating a technique for the representation of electromagnetic fields by recording their thermal footprints on an indicator material using a thermal camera. Fundamentals regarding the interaction of electromagnetic h
Externí odkaz:
https://doaj.org/article/a48eb7482725431fbe1cf48d593dd644
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 69:5033-5044
We propose a millimeter-wave (mmWave) sensor to monitor gases and aerosols based on time-of-flight (ToF), thus, on the real refractive index. It utilizes an ultrawideband frequency-modulated continuous-wave (FMCW) radar operating from 72 to 92 GHz at
Autor:
Birk Hattenhorst, Thomas Musch
Publikováno v:
2022 Asia-Pacific Microwave Conference (APMC).
Autor:
Christoph Baer, Birk Hattenhorst
Publikováno v:
2022 IEEE German Education Conference (GeCon).
Publikováno v:
IEEE Sensors Letters. 4:1-4
In this article, we present a novel contactless method for the state parameter surveillance of flame reactors that are used in the production of nanoparticle powders. By means of a highly stable and broadband millimeter-wave radar system and a precis
Publikováno v:
2021 International Conference on Electromagnetics in Advanced Applications (ICEAA).
In this contribution, we present a novel approach for the investigation of waveguide modes. Basing on the Field Illustration Microwave Thermography (FIMWT) approach, electric fields are illustrated by means of the recording of a thermal foot print. T
Publikováno v:
Sensors (Basel, Switzerland)
Sensors, Vol 21, Iss 4830, p 4830 (2021)
Sensors
Volume 21
Issue 14
Sensors, Vol 21, Iss 4830, p 4830 (2021)
Sensors
Volume 21
Issue 14
In this contribution, we are investigating a technique for the representation of electromagnetic fields by recording their thermal footprints on an indicator material using a thermal camera. Fundamentals regarding the interaction of electromagnetic h
Publikováno v:
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.
In this paper, we present a new concept for extremely sensitive frequency modulated continuous wave radar measurements within waveguides. Basis for this concept is the millimeter wave radar’s outstandingly broad bandwidth that ensures precise detec
An Equidistantly Stepped Waveguide TE11 -TE01 -Mode Converter for Millimeter Wave Radar Applications
Publikováno v:
2018 Asia-Pacific Microwave Conference (APMC).
In this paper, we present a stepped circular waveguide TEll-TEol-mode converter for millimeter wave radar applications in the range of 69 to 91.7 GHz resulting in a relative bandwidth of approximately 28%. The converter is milled and copper/gold-plat