Search Results - "Nickel, Matthias"

Refine Results
  1. 1

    Microwave Liquid Crystal Technology by Maune, Holger, Jost, Matthias, Reese, Roland, Polat, Ersin, Nickel, Matthias, Jakoby, Rolf

    Published in Crystals (Basel) (01-09-2018)
    “…Tunable Liquid Crystal (LC)-based microwave components are of increasing interest in academia and industry. Based on these components, numerous applications…”
    Get full text
    Journal Article
  2. 2

    Liquid Crystal Based Dielectric Waveguide Phase Shifters for Phased Arrays at W-Band by Reese, Roland, Polat, Ersin, Tesmer, Henning, Strobl, Jonathan, Schuster, Christian, Nickel, Matthias, Granja, Angel Blanco, Jakoby, Rolf, Maune, Holger

    Published in IEEE access (2019)
    “…In this work, the feasibility of microwave liquid crystal based dielectric waveguide phased shifters is investigated in a phased rod antenna array for the…”
    Get full text
    Journal Article
  3. 3

    Ridge Gap Waveguide Based Liquid Crystal Phase Shifter by Nickel, Matthias, Jimenez-Saez, Alejandro, Agrawal, Prannoy, Gadallah, Ahmed, Malignaggi, Andrea, Schuster, Christian, Reese, Roland, Tesmer, Henning, Polat, Ersin, Wang, Dongwei, Schumacher, Peter, Jakoby, Rolf, Kissinger, Dietmar, Maune, Holger

    Published in IEEE access (2020)
    “…In this paper, the gap waveguide technology is examined for packaging liquid crystal (LC) in tunable microwave devices. For this purpose, a line based passive…”
    Get full text
    Journal Article
  4. 4

    Reconfigurable Millimeter-Wave Components Based on Liquid Crystal Technology for Smart Applications by Polat, Ersin, Tesmer, Henning, Reese, Roland, Nickel, Matthias, Wang, Dongwei, Schumacher, Peter, Jakoby, Rolf, Maune, Holger

    Published in Crystals (Basel) (01-05-2020)
    “…This paper presents recent development of tunable microwave liquid crystal (LC) components in the lower millimeter wave (mmW) regime up to the W-band. With the…”
    Get full text
    Journal Article
  5. 5

    Local positivity and effective Diophantine approximation by Nickel, Matthias

    “…In this paper we present a new approach to prove effective results in Diophantine approximation. This approach involves measures of local positivity of…”
    Get full text
    Journal Article
  6. 6

    Performance Analysis of Reconfigurable Bandpass Filters With Continuously Tunable Center Frequency and Bandwidth by Schuster, Christian, Wiens, Alex, Schmidt, Florian, Nickel, Matthias, Schubler, Martin, Jakoby, Rolf, Maune, Holger

    “…This paper presents a comparison and performance evaluation of three different technologies for the implementation of tunable filters utilizing semiconductor…”
    Get full text
    Journal Article
  7. 7

    Tunable Liquid Crystal Filter in Nonradiative Dielectric Waveguide Technology at 60 GHz by Polat, Ersin, Reese, Roland, Jost, Matthias, Schuster, Christian, Nickel, Matthias, Jakoby, Rolf, Maune, Holger

    “…This letter presents a continuously tunable nonradiative dielectric waveguide three-pole bandpass filter based on liquid crystal (LC) technology at 60 GHz. LC…”
    Get full text
    Journal Article
  8. 8

    A Millimeter-Wave Beam-Steering Lens Antenna With Reconfigurable Aperture Using Liquid Crystal by Reese, Roland, Jost, Matthias, Polat, Ersin, Tesmer, Henning, Strobl, Jonathan, Schuster, Christian, Nickel, Matthias, Jakoby, Rolf, Maune, Holger

    “…For the first time, a liquid crystal (LC) filled lens antenna is investigated for beam steering in this paper. The LC's anisotropy is applied inside a…”
    Get full text
    Journal Article
  9. 9

    Bounded Volume Denominators and Bounded Negativity by Bauer, Thomas, Harbourne, Brian, Küronya, Alex, Nickel, Matthias

    Published in International mathematics research notices (01-12-2021)
    “…Abstract In this paper, we study the question of whether on smooth projective surfaces the denominators in the volumes of big line bundles are bounded. In…”
    Get full text
    Journal Article
  10. 10

    Liquid-Crystal-Based Fully Dielectric Lateral Wave Beam-Steering Antenna by Tesmer, Henning, Reese, Roland, Polat, Ersin, Nickel, Matthias, Jakoby, Rolf, Maune, Holger

    “…This letter presents a fully dielectric beam-steering lateral antenna operating at the V-band (50 GHZ). The antenna consists of a semicircular Rexolite body…”
    Get full text
    Journal Article
  11. 11

    Hybrid Time-Frequency Modulation Scheme for Chipless Wireless Identification and Sensing by Jimenez-Saez, Alejandro, Schussler, Martin, Nickel, Matthias, Jakoby, Rolf

    Published in IEEE sensors journal (01-10-2018)
    “…This paper presents a novel hybrid time-frequency modulation scheme for the integration of chipless wireless identification and sensors. Combining the wide…”
    Get full text
    Journal Article
  12. 12

    Algebraic volumes of divisors by Bornträger, Carsten, Nickel, Matthias

    Published in European journal of mathematics (01-12-2019)
    “…The volume of a Cartier divisor on a projective variety is a nonnegative real number that measures the asymptotic growth of sections of multiples of the…”
    Get full text
    Journal Article
  13. 13

    Towards an Embedded System for Failure Diagnosis in Drones Using AI and SAC-DM on FPGA by Batista, Rafael, Nickel, Matthias, Lehnert, Alexander, Pertuz, Sergio, Reichenbach, Marc, Goehringer, Diana, Brito, Alisson

    “…We present a way of failure detection in real-time unmanned aerial vehicles (UAVs) by integrating Chaos Theory and AI techniques on an FPGA board. The Signal…”
    Get full text
    Conference Proceeding
  14. 14

    A Fully Dielectric Lightweight Antenna Array Using a Multimode Interference Power Divider at W-Band by Reese, Roland, Jost, Matthias, Nickel, Matthias, Polat, Ersin, Jakoby, Rolf, Maune, Holger

    “…In this letter, we present a fully dielectric antenna array for the first time, including a single multimode interference power divider as feeding network…”
    Get full text
    Journal Article
  15. 15

    A Compact Two-dimensional Power Divider for a Dielectric Rod Antenna Array Based on Multimode Interference by Reese, Roland, Tesmer, Henning, Jost, Matthias, Polat, Ersin, Nickel, Matthias, Jakoby, Rolf, Maune, Holger

    “…In this work, multimode interference is investigated for the design of a two-dimensional fully dielectric power divider, well suited for the usage of…”
    Get full text
    Journal Article
  16. 16
  17. 17

    Liquid Crystal Phase Shifter Based on Nonradiative Dielectric Waveguide Topology at W-Band by Polat, Ersin, Reese, Roland, Jost, Matthias, Nickel, Matthias, Schuster, Christian, Jakoby, Rolf, Maune, Holger

    “…This paper presents a continuously tunable nonradiative dielectric waveguide (NRD) phase shifter based on liquid crystal (LC) technology at W-band. LC is…”
    Get full text
    Conference Proceeding
  18. 18

    Local positivity and effective Diophantine approximation by Nickel, Matthias

    Published 13-05-2020
    “…In this paper we present a new approach to prove effective results in Diophantine approximation. We then use it to prove an effective theorem on the…”
    Get full text
    Journal Article
  19. 19

    Hybrid time-frequency modulation scheme for chipless wireless identification and sensing by Jimenez-Saez, Alejandro, Schusler, Martin, Nickel, Matthias, Jakoby, Rolf

    Published in 2017 IEEE SENSORS (01-10-2017)
    “…In this paper, a novel hybrid time-frequency modulation scheme for the integration of chipless wireless identifications and sensors is presented. This approach…”
    Get full text
    Conference Proceeding
  20. 20

    A Dielectric Waveguide Switch based on Tunable Multimode Interference at W-band by Reese, Roland, Jost, Matthias, Polat, Ersin, Nickel, Matthias, Jakoby, Rolf, Maune, Holger

    “…This work presents a compact and lightweight dielectric waveguide (DW) switch at W-band, which uses liquid crystal (LC) technology for tuning multimode…”
    Get full text
    Conference Proceeding