Novel Waveguide Sensors for Contactless Ultrashort-Distance Measurements

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F22%3A00352574" target="_blank" >RIV/68407700:21230/22:00352574 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1109/TMTT.2021.3107503" target="_blank" >https://doi.org/10.1109/TMTT.2021.3107503</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/TMTT.2021.3107503" target="_blank" >10.1109/TMTT.2021.3107503</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Novel Waveguide Sensors for Contactless Ultrashort-Distance Measurements

Popis výsledku v původním jazyce

Novel sensors for ultra-short-distance measurements, with choke flanges applied at the open ends of both a WR10 waveguide and a circular waveguide, featuring a radius of 1.42 mm, are proposed. Field distributions between the sensors and a target are analyzed and explained on the basis of higher order modes of a radial line formed by the sensors and a planar reflective target. A robust equivalent circuit using a cascade of lossy waveguides is proposed and a new calibration/correction method is derived. Properties of both sensors are verified experimentally for target distances of 0 to 6 mm (~11/2 of wavelength). The new circular waveguide sensor operates in a frequency band of 75-76 GHz with a maximum error of measured distance 19 µm. The new rectangular waveguide sensor enables to use an outstanding applicable frequency bandwidth from 76 up to 86 GHz, with best properties around 80 GHz, where the maximum error of the measured distance is 12 µm. The new sensors make possible to achieve about ten times smaller distance measurement errors in comparison with the state of the art sensors.

Název v anglickém jazyce

Novel Waveguide Sensors for Contactless Ultrashort-Distance Measurements

Popis výsledku anglicky

Novel sensors for ultra-short-distance measurements, with choke flanges applied at the open ends of both a WR10 waveguide and a circular waveguide, featuring a radius of 1.42 mm, are proposed. Field distributions between the sensors and a target are analyzed and explained on the basis of higher order modes of a radial line formed by the sensors and a planar reflective target. A robust equivalent circuit using a cascade of lossy waveguides is proposed and a new calibration/correction method is derived. Properties of both sensors are verified experimentally for target distances of 0 to 6 mm (~11/2 of wavelength). The new circular waveguide sensor operates in a frequency band of 75-76 GHz with a maximum error of measured distance 19 µm. The new rectangular waveguide sensor enables to use an outstanding applicable frequency bandwidth from 76 up to 86 GHz, with best properties around 80 GHz, where the maximum error of the measured distance is 12 µm. The new sensors make possible to achieve about ten times smaller distance measurement errors in comparison with the state of the art sensors.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

R - Projekt Ramcoveho programu EK

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

IEEE Transactions on Microwave Theory and Techniques

ISSN

0018-9480

e-ISSN

1557-9670

Svazek periodika

70

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

565-575

Kód UT WoS článku

000732672200001

EID výsledku v databázi Scopus

2-s2.0-85114708598