Mitarbeiter

M. Sc. Martin Frank

Kontakt

  • E-Mail:
  • Telefon: 09131/85-27185
  • Fax: Neu:09131/85-28730
  • Raum: 01.178 D
  • Neu: Wetterkreuz 15
    91058 Erlangen

Über Martin Frank

Lebenslauf

Martin Frank, M. Sc. schloss im Mai 2015 sein Masterstudium im Studiengang Elektrotechnik, Elektronik und Informationstechnik an der FAU Erlangen-Nürnberg in der Vertiefungsrichtung Allgemeine Elektrotechnik mit Auszeichnung ab. Seit Juni 2015 arbeitet er als wissenschaftlicher Mitarbeiter am Lehrstuhl für Technische Elektronik im Team Circuits, Systems and Hardware Test (CST) an Hochfrequenzsystemen für die Umfeldsensorik.

Arbeitsgebiete

  • HF-Schaltungsdesign
  • Antennen-Design
  • Feldsimulationen mit CST Studio Suite
  • Materialcharakterisierung

Abschlussarbeiten

Aus unseren Forschungsprojekten ergeben sich stets interesannte Themen für Abschlussarbeiten (Bachelor / Master) oder Forschungspraktika in den Bereichen Systemdesign, Schaltungstechnik (analog / digital) sowie Signalverarbeitung. Aktuelle Themen sind im StudOn ausgeschrieben. Für weitere Informationen einfach unverbindlich vorbeikommen, eMail schreiben oder anrufen!

Preise & Auszeichnungen

  • M. Frank, Förderung einer Kongressreise (RWS2019), Deutscher Akademischer Austauschdienst, 2019. [Bibtex]
    @prize{frank_prize_2019,
    author = {Frank, Martin},
    booktitle = {Deutscher Akademischer Austauschdienst},
    cris = {frank_prize_2019},
    year = {2019},
    title = {Förderung einer Kongressreise (RWS2019)},
    type = {20773-Kleiner Preis},
    }
  • M. Frank, Förderung einer Kongressreise (APMC2017), Deutscher Akademischer Austauschdienst, 2017. [Bibtex]
    @prize{frank_prize_2017,
    author = {Frank, Martin},
    booktitle = {Deutscher Akademischer Austauschdienst},
    cris = {frank_prize_2017},
    year = {2017},
    month = {11},
    day = {01},
    title = {Förderung einer Kongressreise (APMC2017)},
    type = {20773-Kleiner Preis},
    }

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Publikationen

2019

  • M. Frank, F. Lurz, R. Weigel, and A. Koelpin, "122 GHz Low-cost Substrate Integrated Waveguide based Leaky-Wave Antenna Design" in 2019 IEEE Radio and Wireless Symposium (RWS), Orlando, FL, USA, 2019, pp. 1-4. [DOI] [Bibtex]
    @inproceedings{frank2019,
    author = {Frank, Martin and Lurz, Fabian and Weigel, Robert and Koelpin, Alexander},
    publisher = {IEEE},
    booktitle = {2019 IEEE Radio and Wireless Symposium (RWS)},
    cris = {https://cris.fau.de/converis/publicweb/publication/204103705},
    year = {2019},
    month = {05},
    day = {16},
    doi = {10.1109/RWS.2019.8714239},
    eventdate = {2019-01-20/2019-01-23},
    faupublication = {yes},
    isbn = {9781538659441},
    issn = {2164-2974},
    pages = {1--4},
    peerreviewed = {Yes},
    title = {122 GHz Low-cost Substrate Integrated Waveguide based Leaky-Wave Antenna Design},
    type = {Konferenzschrift},
    venue = {Orlando, FL, USA},
    }
  • M. Frank, M. Völkel, T. Reißland, A. Koelpin, R. Weigel, P. Ghesquiere, F. Lambrecht, S. Kiefl, M. Lasch, V. Sieber, T. Lenhard, and P. Wolz, "Vernetzte Umfeldsensorik mit adaptiven Radiointerferometern zur Distanzmessung mit Sechstortechnik : BMBF Verbundprojekt NetGuard6P : Gemeinsamer Abschlussbericht", pp. 1-145, 2019. [DOI] [Bibtex]
    @other{frank2019c,
    author = {Frank, Martin and Völkel, Matthias and Reißland, Torsten and Koelpin, Alexander and Weigel, Robert and Ghesquiere, Pol and Lambrecht, Franziska and Kiefl, Stefan and Lasch, Markus and Sieber, Volker and Lenhard, Thilo and Wolz, Patrick},
    language = {German},
    cris = {https://cris.fau.de/converis/publicweb/publication/212056607},
    year = {2019},
    month = {05},
    doi = {10.2314/KXP:1665974389},
    faupublication = {yes},
    pages = {1--145},
    peerreviewed = {automatic},
    title = {Vernetzte Umfeldsensorik mit adaptiven Radiointerferometern zur Distanzmessung mit Sechstortechnik : BMBF Verbundprojekt NetGuard6P : Gemeinsamer Abschlussbericht},
    type = {anderer},
    url = {https://www.tib.eu/de/suchen/id/TIBKAT:1047778009/Vernetzte-Umfeldsensorik-mit-adaptiven-Radiointerferometern/},
    }
  • M. Frank, F. Lurz, R. Weigel, and A. Koelpin, "Low-cost Transmitarray Antenna Designs with +/-70° Beam Steering Range in V-Band" in 2019 12th German Microwave Conference (GeMiC), Stuttgart, Germany, 2019. [DOI] [Bibtex]
    @inproceedings{frank2019a,
    author = {Frank, Martin and Lurz, Fabian and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    booktitle = {2019 12th German Microwave Conference (GeMiC)},
    cris = {https://cris.fau.de/converis/publicweb/publication/208937734},
    year = {2019},
    month = {04},
    day = {25},
    doi = {10.23919/GEMIC.2019.8698118},
    eventdate = {2019-03-25/2019-03-27},
    faupublication = {yes},
    issn = {2167-8022},
    peerreviewed = {Yes},
    title = {Low-cost Transmitarray Antenna Designs with +/-70° Beam Steering Range in V-Band},
    type = {Konferenzschrift},
    venue = {Stuttgart, Germany},
    }
  • M. Frank, F. Lurz, R. Weigel, and A. Koelpin, "Electronically Reconfigurable 6 × 6 Element Transmitarray at K Band based on Unit-Cells with Continuous Phase Range", IEEE Antennas and Wireless Propagation Letters, vol. 18, iss. 4, pp. 796-800, 2019. [DOI] [Bibtex]
    @article{frank2019d,
    author = {Frank, Martin and Lurz, Fabian and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    cris = {https://cris.fau.de/converis/publicweb/publication/212062319},
    year = {2019},
    month = {03},
    day = {06},
    doi = {10.1109/LAWP.2019.2903338},
    faupublication = {yes},
    issn = {1536-1225},
    journaltitle = {IEEE Antennas and Wireless Propagation Letters},
    number = {4},
    pages = {796--800},
    peerreviewed = {Yes},
    shortjournal = {IEEE ANTENN WIREL PR},
    title = {Electronically Reconfigurable 6 × 6 Element Transmitarray at K Band based on Unit-Cells with Continuous Phase Range},
    type = {Letter},
    volume = {18},
    }
  • M. Völkel, S. Mann, M. Frank, R. Weigel, and A. Hagelauer, "A High Precision Reconfigureable Bistatic Interferometric Radar with Integrated Six-port Receiver at 60 GHz" in GeMiC, Stuttgart, Germany, 2019. [DOI] [Bibtex]
    @inproceedings{voelkel2019b,
    abstract = {In this paper a 60GHz bistatic reconfigureable sixport radar for high precision measuring is presented. The frontend is designed in a substrate-integrated waveguide technology including coupler, attenuator and transmission lines. The core of the front-end is a integrated six-port receiver MMIC including the passive six-port structure, a LNA and four detectors. It has been designed using a 0.13µm SiGe BiCMOS process. A BGT60, stabilized by a PLL-circuit, generates the transmit signal for vivaldi antennas. The system includes also a baseband circuit with adjustable differential amplifier, 24bit@52kSa/s ADC converter for signal sampling and DAC converter for gain and attenuation tuning. Furthermore, the stacked system is directly connected to a FPGA board. A full NIOS2 system is set up to control the radar and send the collected data via ethernet to the PC. C++ software is written to configure the system in an easy comfortable way and to visualize the measured data. Measurements show, that the radar works in a range up to five meter. The maximum distance deviation at 1m is 30µm and the standard deviation is 12.6µm.
    }, author = {Völkel, Matthias and Mann, Sebastian and Frank, Martin and Weigel, Robert and Hagelauer, Amelie}, language = {English}, booktitle = {GeMiC}, cris = {https://cris.fau.de/converis/publicweb/publication/208938538}, year = {2019}, month = {03}, day = {25}, doi = {10.23919/GEMIC.2019.8698190}, eventdate = {2019-03-25/2019-03-27}, faupublication = {yes}, keywords = {bistatic; FPGA; integrated receiver; interferometry; millimeter wave circuits; radar systems; six-port; substrateintegrated waveguide (SIW)}, peerreviewed = {unknown}, title = {A High Precision Reconfigureable Bistatic Interferometric Radar with Integrated Six-port Receiver at 60 GHz}, type = {Konferenzschrift}, venue = {Stuttgart, Germany}, }
  • M. Frank, F. Lurz, R. Weigel, and A. Koelpin, "Compact Low-cost Substrate Integrated Waveguide Fed Antenna for 122 GHz Radar Applications", International Journal of Microwave and Wireless Technologies, vol. 11, iss. 4, pp. 1-5, 2019. [DOI] [Bibtex]
    @article{frank2019b,
    author = {Frank, Martin and Lurz, Fabian and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    booktitle = {International Journal of Microwave and Wireless Technologies},
    cris = {https://cris.fau.de/converis/publicweb/publication/209234664},
    year = {2019},
    month = {02},
    day = {20},
    doi = {10.1017/S1759078719000072},
    faupublication = {yes},
    issn = {1759-0787},
    journaltitle = {International Journal of Microwave and Wireless Technologies},
    number = {4},
    pages = {1--5},
    peerreviewed = {Yes},
    title = {Compact Low-cost Substrate Integrated Waveguide Fed Antenna for 122 GHz Radar Applications},
    type = {Letter},
    volume = {11},
    }

2018

  • M. Frank, T. Reißland, F. Lurz, M. Völkel, F. Lambrecht, S. Kiefl, P. Ghesquiere, H. Ng, D. Kissinger, R. Weigel, and A. Koelpin, "Antenna and Package Design for 61 GHz and 122 GHz Radar Sensors in Embedded Wafer-Level Ball Grid Array Technology", IEEE Transactions on Microwave Theory and Techniques, vol. 66, iss. 12, pp. 5156-5168, 2018. [DOI] [Bibtex]
    @article{frank2018b,
    author = {Frank, Martin and Reißland, Torsten and Lurz, Fabian and Völkel, Matthias and Lambrecht, Franziska and Kiefl, Stefan and Ghesquiere, Pol and Ng, Herman and Kissinger, Dietmar and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    publisher = {IEEE},
    booktitle = {IEEE Transactions on Microwave Theory and Techniques},
    cris = {https://cris.fau.de/converis/publicweb/publication/202229247},
    year = {2018},
    month = {10},
    day = {30},
    doi = {10.1109/TMTT.2018.2873368},
    faupublication = {yes},
    issn = {0018-9480},
    journaltitle = {IEEE Transactions on Microwave Theory and Techniques},
    number = {12},
    pages = {5156--5168},
    peerreviewed = {Yes},
    shortjournal = {IEEE T MICROW THEORY},
    title = {Antenna and Package Design for 61 GHz and 122 GHz Radar Sensors in Embedded Wafer-Level Ball Grid Array Technology},
    type = {Article in Journal},
    volume = {66},
    }
  • I. Lau, M. Frank, K. Shi, F. Lurz, A. Talai, R. Weigel, and A. Koelpin, "An Accurate Free Space Method for Material Characterization in W-Band Using Material Samples with Two Different Thicknesses" in European Microwave Conference (EuMC), Madrid, Spain, 2018, pp. 202-205. [DOI] [Bibtex]
    @inproceedings{lau2018a,
    abstract = {This paper presents an accurate free space method for material characterization eliminating the problem
    of the required precise orientation between the material and the antennas and expanding the unambiguous range for electrical thick samples. It includes theoretical considerations and measurement results of four different materials. Overall, a maximum measurement uncertainty of 0.0153 for the relative permittivity and 0.001 for the loss tangent in the W-band can be achieved. Depending on the variation of the material’s thickness, the implemented setup changes lead to an reduction of the measurement uncertainty of 8 to 58%.
    }, author = {Lau, Isabella and Frank, Martin and Shi, Kilin and Lurz, Fabian and Talai, Armin and Weigel, Robert and Koelpin, Alexander}, language = {English}, booktitle = {European Microwave Conference (EuMC)}, cris = {https://cris.fau.de/converis/publicweb/publication/200562733}, year = {2018}, month = {09}, day = {25}, doi = {10.23919/EUMC.2018.8541437}, eventdate = {2018-09-25/2018-09-27}, faupublication = {yes}, keywords = {permittivity,dielectric materials,microwave measurement,materials nondestructive testing}, pages = {202--205}, peerreviewed = {unknown}, title = {An Accurate Free Space Method for Material Characterization in W-Band Using Material Samples with Two Different Thicknesses}, type = {Konferenzschrift}, url = {https://ieeexplore.ieee.org/document/8541437}, venue = {Madrid, Spain}, }
  • M. Frank, P. Ghesquiere, S. Kiefl, R. Weigel, and A. Koelpin, "Design and Characterization of Antenna Arrays in eWLB Package for 61 GHz Radar Applications" in 2018 IEEE Radio and Wireless Symposium (RWS), Anaheim, CA, USA, 2018, pp. 14-17. [DOI] [Bibtex]
    @inproceedings{frank2018,
    abstract = {This paper presents the design of several two element antenna arrays in an eWLB package for 61 GHz radar applications. The antenna arrays are either formed of dipoles or folded dipoles. Different feeding structures were developed in order to match MMICs with differential or single-ended ports. Measurements of both insertion loss and radiation pattern were performed for five different antenna arrays. The measurement results are in good agreement with the previously performed simulations.},
    author = {Frank, Martin and Ghesquiere, Pol and Kiefl, Stefan and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    booktitle = {2018 IEEE Radio and Wireless Symposium (RWS)},
    cris = {https://cris.fau.de/converis/publicweb/publication/110742104},
    year = {2018},
    month = {02},
    day = {14},
    doi = {10.1109/RWS.2018.8304933},
    eventdate = {2018-01-14/2018-01-17},
    faupublication = {yes},
    keywords = {Antenna in package,dipole antenna,eWLB package,antenna array},
    pages = {14--17},
    peerreviewed = {Yes},
    title = {Design and Characterization of Antenna Arrays in eWLB Package for 61 GHz Radar Applications},
    type = {Konferenzschrift},
    venue = {Anaheim, CA, USA},
    }

2017

  • M. Frank, A. Talai, R. Weigel, and A. Koelpin, "In-Line Material Characterization Sensors Operating at 10 GHz and 77 GHz" in Asia Pacific Microwave Conference (APMC) 2017, Kuala Lumpur, Malaysia, 2017, pp. 1306-1309. [DOI] [Bibtex]
    @inproceedings{frank2017b,
    abstract = {This paper describes the design of two sensors for the in-line material characterization of bulk and metallized dielectrics around 10,GHz and 77,GHz in order to determine the relative permittivity of RF substrates. The sensors are based on a resonant grounded coplanar waveguide structure and can be applied on top of a material under test. The shift in the resonance frequency between loaded and unloaded resonator is evaluated by 3D full wave simulations in order to determine the relative permittivity. The basic sensor structure is improved for the in-line characterization of printed circuit boards by a clearance of the resonator area and the filling of the air gaps. Measurements with different MUTs were performed with both sensors followed by the evaluation of the relative permittivity. The results are in good agreement with the expected permittivity values and show high reproducibility.},
    author = {Frank, Martin and Talai, Armin and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    booktitle = {Asia Pacific Microwave Conference (APMC) 2017},
    cris = {https://cris.fau.de/converis/publicweb/publication/106190084},
    year = {2017},
    month = {11},
    day = {13},
    doi = {10.1109/APMC.2017.8251702},
    eventdate = {2017-11-13/2017-11-16},
    faupublication = {yes},
    keywords = {Material Characterization; Relative Permittivity; Grounded Coplanar Waveguide},
    pages = {1306--1309},
    peerreviewed = {unknown},
    title = {In-Line Material Characterization Sensors Operating at 10 GHz and 77 GHz},
    type = {Konferenzschrift},
    venue = {Kuala Lumpur, Malaysia},
    }
  • M. Frank, R. Weigel, and A. Koelpin, "A Multilayer Reconfigurable Transmitarray in K-Band for Beam Steering Applications" in International Conference on Electromagnetics in Advanced Applications (ICEAA 2017), Verona, Italy, 2017. [DOI] [Bibtex]
    @inproceedings{frank2017a,
    abstract = {There are many different radar applications which require a change in the direction of the radiation beam, for example in order to separate signals coming from different directions or to track targets. A change in the main beam direction is usually realized by a mechanical rotation of the antenna or electronically by using phased array systems.
    The work presented in this paper is focused on a less common approach to realize beam steering functionality, the so called transmitarray.
    The transmitarray is built of several unit cells and is placed in front of a focal source. Each unit cell includes two radiation structures to receive the signal coming from the source on one side and to retransmit it on the other side with a distinct phase shift. The superposition of the signal contributions of all array elements leads to a certain radiation pattern of the whole structure. By individually adjusting the phase shifts of each unit cell the desired radiation pattern can be realized.
    The realization of a transmitarray can be done in two steps. First the design of a unit cell which provides the capability of performing the phase shifts has to be done. Afterwards the array synthesis is done by combining several unit cells.
    The unit cell used in this approach is derived from previous research with significant improvements and is supposed to work in the 24 GHz ISM band. A continuous phase range is obtained by loading patches with varactor diodes on the outer layers of a layer stack consisting of two thin laminates of RO4350 and a metal sheet in between. Both, metal sheet and second metal layer of the laminate have apertures inside to provide coupling from one patch to the other. By applying a voltage difference between patch and ground plane the capacity of the varactor diode is changed. This detunes the whole structure and leads to a change in the transmission phase. To obtain the desired continuous phase range of 360° several unit cells are placed in series resulting in a multilayer structure.
    The functionality of the designed unit cell has been verified in simulation and measurement.
    In the next step a 5 x 1 array has been synthesized and designed for a +/- 30° beam steering range with CST MWS. Measurements of the radiation pattern for several combinations of the five tuning voltages have been performed with a measurement setup consisting of two horn antennas and a rotation stage.
    A +/- 30° beam steering range has been successfully confirmed.
    The designed transmitarray at 24 GHz differs from previous approaches by combining a continuous phase range of the unit cells with a working frequency in the K-band.}, author = {Frank, Martin and Weigel, Robert and Koelpin, Alexander}, language = {English}, booktitle = {International Conference on Electromagnetics in Advanced Applications (ICEAA 2017)}, cris = {https://cris.fau.de/converis/publicweb/publication/118952284}, year = {2017}, month = {10}, day = {11}, doi = {10.1109/ICEAA.2017.8065361}, eventdate = {2017-09-11/2017-09-15}, faupublication = {yes}, keywords = {Transmitarray; Reconfigurable Antenna; Beam Steering}, peerreviewed = {unknown}, title = {A Multilayer Reconfigurable Transmitarray in K-Band for Beam Steering Applications}, type = {Konferenzschrift}, venue = {Verona, Italy}, }
  • M. Frank, R. Weigel, and A. Koelpin, "Design of a 24 GHz Reconfigurable Transmitarray Element with Continuous Phase Range" in European Conference on Antennas and Propagation (EuCAP), Paris, France, 2017, pp. 2400-2404. [DOI] [Bibtex]
    @inproceedings{frank2017,
    abstract = {This paper presents a reconfigurable transmitarray antenna unit cell for a frequency of 24 GHz. A continuous phase range is obtained by loading patches with varactor diodes on the outer layers of a printed circuit board (PCB) while the signal couples through slots in the inner layers. The design, numerical and experimental characterization of the unit cell in a rectangular WR-42 waveguide are reported. A phase tuning range of 120° was achieved with a custom layer stack which could be extended to 145° using solely RF-substrates.},
    author = {Frank, Martin and Weigel, Robert and Koelpin, Alexander},
    publisher = {IEEE},
    booktitle = {European Conference on Antennas and Propagation (EuCAP)},
    cris = {https://cris.fau.de/converis/publicweb/publication/121165044},
    year = {2017},
    month = {03},
    day = {19},
    doi = {10.23919/EUCAP.2017.7928298},
    eventdate = {2017-03-16/2017-03-24},
    faupublication = {yes},
    pages = {2400--2404},
    peerreviewed = {Yes},
    title = {Design of a 24 GHz Reconfigurable Transmitarray Element with Continuous Phase Range},
    type = {Konferenzschrift},
    venue = {Paris, France},
    }
  • A. Talai, G. Gold, M. Frank, S. Mann, R. Weigel, and A. Koelpin, "A Coplanar Waveguide Resonator Based In-Line Material Characterization Sensor for Bulk and Metallized Dielectrics", Frequenz, vol. 71, iss. 3-4, 2017. [DOI] [Bibtex]
    @article{talai2017a,
    abstract = {Microwave Materials such as Rogers RO3003 are subject to process-related fluctuations in terms of the relative permittivity and dielectric loss. The behavior of high frequency circuits like patch-antenna arrays and their distribution networks is dependent on the effective wavelength. Therefore, fluctuations of the complex permittivity will influence the resonance frequency and beam direction of the antennas. This paper presents a grounded coplanar waveguide based sensor, which can measure the complex permittivity at 77 GHz, as well as at other resonance frequencies, by applying it on top of the manufactured depaneling. The relative permittivity of the material under test (MUT) is a function of the resonance frequency shift and the dielectric loss of the MUT can be determined by transmission amplitude variations at the resonances. In addition, the sensor is robust against floating ground metallizations on inner printed circuit board layers, which are typically distributed over the entire surface below antennas. Furthermore, the impact from conductor surface roughness on the measured permittivity values is determined using the Gradient Model.},
    author = {Talai, Armin and Gold, Gerald and Frank, Martin and Mann, Sebastian and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    publisher = {Walter de Gruyter GmbH},
    cris = {https://cris.fau.de/converis/publicweb/publication/209816685},
    year = {2017},
    month = {01},
    doi = {10.1515/FREQ-2016-0201},
    faupublication = {yes},
    issn = {0016-1136},
    journaltitle = {Frequenz},
    number = {3-4},
    peerreviewed = {Yes},
    shortjournal = {FREQUENZ},
    title = {A Coplanar Waveguide Resonator Based In-Line Material Characterization Sensor for Bulk and Metallized Dielectrics},
    type = {Review article},
    volume = {71},
    }

2016

  • S. Wibbing, S. Mann, F. Lurz, M. Frank, R. Weigel, and A. Koelpin, "Radarbasierte und vernetzte Umfeldsensorik zur autonomen Steuerung von Industrierobotern" in VDE Kongress 2016: Internet der Dinge, Mannheim, Germany, 2016, pp. 1-6. [Bibtex]
    @inproceedings{wibbing2016b,
    abstract = {Im Zuge der so genannten vierten industriellen Revolution, kurz Industrie 4.0 genannten Initiative der Bundesregierung ist ein Hauptmerkmal die dynamische Anpassung von bislang unflexiblen Produktionseinrichtungen auf sich wechselnde Anforderungen und Umgebungsfaktoren. Besonders in Bezug auf autonom agierende Systeme wie beispielsweise Industrieroboter werden zur Realisierung solcher Anforderungen vor allem leistungsfähige Sensoren und Steuerungen benötigt. In diesem Artikel wird ein vernetztes Sensorsystem bestehend aus mehreren RADAR-Sensoren beschrieben, welche durch mehrdimensionale Sensordatenfusion ein 3D-Bild der Umgebung erstellen. Zur Vernetzung werden dabei vor allem bestehende und etablierte Netzwerktechniken zur Datenübertragung verwendet. Die Systemarchitektur und die Komponenten eines einzelnen Sensorknotens sowie der zentralen Steuereinheit werden im Detail erörtert. Im Anschluss daran werden verschiedene Messungen hinsichtlich Performanz und Auflösung präsentiert und erläutert.},
    author = {Wibbing, Sascha and Mann, Sebastian and Lurz, Fabian and Frank, Martin and Weigel, Robert and Koelpin, Alexander},
    language = {German},
    publisher = {VDE},
    booktitle = {VDE Kongress 2016: Internet der Dinge},
    cris = {https://cris.fau.de/converis/publicweb/publication/122583604},
    year = {2016},
    month = {11},
    day = {07},
    eventdate = {2016-11-07/2016-11-08},
    faupublication = {yes},
    isbn = {9783800743087},
    pages = {1--6},
    peerreviewed = {Yes},
    title = {Radarbasierte und vernetzte Umfeldsensorik zur autonomen Steuerung von Industrierobotern},
    venue = {Mannheim, Germany},
    }
  • A. Talai, G. Gold, M. Frank, S. Mann, R. Weigel, and A. Koelpin, "A Coplanar Waveguide Resonator Based In-Line Material Characterization Sensor for Bulk and Metallized Dielectrics", Frequenz, 2016. [DOI] [Bibtex]
    @article{talai2016a,
    abstract = {Microwave Materials such as Rogers RO3003 are subject to process-related fluctuations in terms of the relative permittivity and dielectric loss. The behavior of high frequency circuits like patch-antenna arrays and their distribution networks is dependent on the effective wavelength. Therefore, fluctuations of the complex permittivity will influence the resonance frequency and beam direction of the antennas. This paper presents a grounded coplanar waveguide based sensor, which can measure the complex permittivity at 77 GHz, as well as at other resonance frequencies, by applying it on top of the manufactured depaneling. The relative permittivity of the material under test (MUT) is a function of the resonance frequency shift and the dielectric loss of the MUT can be determined by transmission amplitude variations at the resonances. In addition, the sensor is robust against floating ground metallizations on inner printed circuit board layers, which are typically distributed over the entire surface below antennas. Furthermore, the impact from conductor surface roughness on the measured permittivity values is determined using the Gradient Model.},
    author = {Talai, Armin and Gold, Gerald and Frank, Martin and Mann, Sebastian and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    publisher = {Walter de Gruyter GmbH},
    cris = {https://cris.fau.de/converis/publicweb/publication/107169084},
    year = {2016},
    month = {01},
    doi = {10.1515/FREQ-2016-0201},
    faupublication = {yes},
    issn = {0016-1136},
    journaltitle = {Frequenz},
    peerreviewed = {Yes},
    shortjournal = {FREQUENZ},
    title = {A Coplanar Waveguide Resonator Based In-Line Material Characterization Sensor for Bulk and Metallized Dielectrics},
    }

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