Auflistung nach Schlagwort "Antennas"

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  • Hybrid antenna design for an optically powered SHF RFID transponder applicable in metals 
    Meyer, Johannes; Franke, Stefan; Geck, Bernd; Overmeyer, Ludger (Cambridge : Cambridge University Press, 2013)
    This paper presents a hybrid antenna design for an optically powered super high frequency (SHF) radio frequency identification transponder applicable for the integration into metal. The key feature of the antenna is its ...
  • ICDP Oman Drilling Project: varitextured gabbros from the dike–gabbro transition within drill core GT3A 
    Engelhardt, Artur; Koepke, Jürgen; Zhang, Chao; Garbe-Schönberg, Dieter; Jesus, Ana Patrícia (Göttingen : Copernicus Publications, 2022)
    Typical gabbroic rocks from dike–gabbro transitions of fast-spreading systems are the so-called “varitextured gabbros”, often showing considerable variations in mineral mode, texture and grain size, which are regarded as ...
  • Impact of near field dispersion on time domain susceptibility tests 
    Sabath, F.; Garbe, Heyno (Göttingen : Copernicus GmbH, 2003)
    This paper considers the effect of changes of the waveform parameters over the distance. The objective is to show the near field effects on transient radiation and how near the equipment under test can be located to an ...
  • Infrastructure-aided localization with UWB Antenna Arrays 
    Adamiuk, G.; Sczyslo, S.; Arafat, S.; Wiesbeck, W.; Zwick, T.; Kaiser, T.; Solbach, K. (Berlin : De Gruyter, 2009)
    This paper presents an approach for a precise 2D-localization of a mobile station in indoor scenarios using a single base station only. In the approach both, the Direction of Arrival (DoA) and the Time of Arrival (ToA), ...
  • Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer (ISOBAR)-the Hailuoto 2017 campaign 
    Kral, Stephan T.; Reuder, Joachim; Vihma, Timo; Suomi, Irene; O'Connor, Ewan; Kouznetsov, Rostislav; Wrenger, Burkhard; Rautenberg, Alexander; Urbancic, Gabin; Jonassen, Marius O.; Båserud, Line; Maronga, Björn; Mayer, Stephanie; Lorenz, Torge; Holtslag, Albert A.M.; Steeneveld, Gert-Jan; Seidl, Andrew; Müller, Martin; Lindenberg, Christian; Langohr, Carsten; Voss, Hendrik; Bange, Jens; Hundhausen, Marie; Hilsheimer, Philipp; Schygulla, Markus (Basel : MDPI AG, 2018)
    The aim of the research project "Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer (ISOBAR)" is to substantially increase the understanding of the stable atmospheric boundary layer (SBL) through ...
  • Investigating the origin of third harmonic generation from diabolo optical antennas 
    Shi, Liping; Andrade, Jose R.C.; Kim, Hyunwoong; Han, Seunghwoi; Nicolas, Rana; Franz, Dominik; Boutu, Willem; Heidenblut, Torsten; Segerink, Frans B.; Bastiaens, Bert; Merdji, Hamed; Kim, Seung-Woo; Morgner, Uwe; Kovačev, Milutin (American Institute of Physics Inc., 2017)
    We propose to use diabolo nanoantennas for experimentally investigating the origin of the enhanced third harmonic generation by localized surface plasmon polaritons. In such a geometry, the opposing apexes of bowties are ...
  • Joint classification of ALS and DIM point clouds 
    Politz, F.; Sester, M. (Göttingen : Copernicus GmbH, 2019)
    National mapping agencies (NMAs) have to acquire nation-wide Digital Terrain Models on a regular basis as part of their obligations to provide up-to-date data. Point clouds from Airborne Laser Scanning (ALS) are an important ...
  • Knowledge based interpretation of moorland in aerial images 
    Pakzad, Kian; Heipke, Christian (London : International Society for Photogrammetry and Remote Sensing, 2000)
    For the interpretation of remote sensing data the traditional methods such as multispectral classification are in many cases not sufficient. This applies especially to more complex scenes. In order to interpret such scenes ...
  • Marked point processes for the automatic detection of bomb craters in aerial wartime images 
    Kruse, C.; Rottensteiner, F.; Heipke, C. (Göttingen : Copernicus, 2019)
    Many countries were the target of air strikes during the Second World War. The aftermath of such attacks is felt until today, as numerous unexploded bombs or duds still exist in the ground. Typically, such areas are ...
  • Measured Response of Local, Mid-range and Far-range Discontinuities of Large Metal Groundplanes using Time Domain Techniques 
    Schrader, T.; Münter, K.; Battermann, S.; Garbe, Heyno (Göttingen : Copernicus GmbH, 2005)
    This work describes a method to detect and to quantify any local or mid-range discontinuity on extended flat metal planes. Often these planes are used for antenna calibration (open area test site-OATS) or the plane could ...
  • Multitemporal interpretation of remote sensing data 
    Müller, Sönke; Mota, Guilherme Lucio Abelha; Liedtke, Claus-Eberhard (London : International Society for Photogrammetry and Remote Sensing, 2004)
    The automated interpretation of aerial image data is a task with increasing significance for several applications, e.g. quality control and automatic updating of GIS data, automatic land use change detection, measurement ...
  • New standards for the validation of EMC test sites particularly above 1 GHz 
    Battermann, S.; Trautnitz, F.W.; Garbe, Heyno (Göttingen : Copernicus GmbH, 2005)
    Standards for the validation of alternative test sites with conducting groundplane exist for the frequency range 30-1000 MHz since the end of the eighties. Recently the procedure for fully anechoic rooms (FAR) has ...
  • On the performance of the time reversal SM-MIMO-UWB system on correlated channels 
    Nguyen, Hieu; Nguyen, Van Duc; Nguyen, Trung Kien; Maichalernnukul, Kiattisak; Zheng, Feng; Kaiser, Thomas (New York, NY : Hindawi Publishing Corporation, 2012)
    The impact of spatial correlation on the multi-input multi-output ultrawide band (MIMO-UWB) system using the time reversal (TR) technique is investigated. Thanks to TR, several data streams can be transmitted by using only ...
  • Optical Suppression of Tilt-to-Length Coupling in the LISA Long-Arm Interferometer 
    Chwalla, M.; Danzmann, K.; Álvarez, M.D.; Delgado, J.J.E.; Fernández Barranco, G.; Fitzsimons, E.; Gerberding, O.; Heinzel, G.; Killow, C.J.; Lieser, M.; Perreur-Lloyd, M.; Robertson, D.I.; Rohr, J.M.; Schuster, S.; Schwarze, T.S.; Tröbs, M.; Wanner, G.; Ward, H. (College Park, MD : American Physical Society, 2020)
    The arm length and the isolation in space enable the Laser Interferometer Space Antenna (LISA) to probe for signals unattainable on the ground, opening a window to the subhertz gravitational-wave universe. The coupling of ...
  • Optimized designing of a patch phased array with a MoM-solver 
    Wang, Yuanhao; Berens, Michael; Nietsch, Alexander; John, Werner; Mathis, Wolfgang (Bingley : Emerald Group Publishing Ltd., 2014)
    Purpose - The purpose of this paper is to present an optimization process for the design of a 2×2 patch antenna phased array with application for an UHF RFID system. Design/methodology/approach - The optimization process ...
  • Picometer-Stable Hexagonal Optical Bench to Verify LISA Phase Extraction Linearity and Precision 
    Schwarze, Thomas S.; Barranco, German Fernandez; Penkert, Daniel; Kaufer, Marina; Gerberding, Oliver; Heinzel, Gerhard (College Park, MD : American Physical Society, 2019)
    The Laser Interferometer Space Antenna (LISA) and its metrology chain have to fulfill stringent performance requirements to enable the space-based detection of gravitational waves. This implies the necessity of performance ...
  • Radar distance measurements in circular waveguides involving intermodal dispersion effects 
    Denicke, Eckhard; Armbrecht, Gunnar; Rolfes, Ilona (Cambridge : Cambridge University Press, 2010)
    This contribution deals with guided radar distance measurements in the field of industrial tank level control. The aim is to achieve a submillimeter gauging accuracy even when conducting the measurement within a highly ...
  • Relative-Intensity-Noise Coupling in Heterodyne Interferometers 
    Wissel, Lennart; Wittchen, Andreas; Schwarze, Thomas S.; Hewitson, Martin; Heinzel, Gerhard; Halloin, Hubert (College Park, Md. [u.a.] : American Physical Society, 2022)
    Laser interferometers are the core measurement tool in gravitational wave observatories. An important factor that can limit the performance is the relative power instability of the laser, a problem often called relative ...
  • Review of remote sensing for land administration: Origins, debates, and selected cases 
    Bennett, Rohan Marc; Koeva, Mila; Asiama, Kwebana (Basel : MDPI AG, 2021)
    Conventionally, land administration—incorporating cadastres and land registration—uses ground-based survey methods. This approach can be traced over millennia. The application of photogrammetry and remote sensing is ...
  • Sensor Noise in LISA Pathfinder: In-Flight Performance of the Optical Test Mass Readout 
    Armano, M.; Audley, H.; Baird, J.; Binetruy, P.; Born, M.; Bortoluzzi, D.; Brandt, N.; Castelli, E.; Cavalleri, A.; Cesarini, A.; Cruise, A. M.; Danzmann, K.; de Deus Silva, M.; Diepholz, I.; Dixon, G.; Dolesi, R.; Ferraioli, L.; Ferroni, V.; Fitzsimons, E.D.; Flatscher, R.; Freschi, M.; García, A.; Gerndt, R.; Gesa, L.; Giardini, D.; Gibert, F.; Giusteri, R.; Grimani, C.; Grzymisch, J.; Guzman, F.; Harrison, I.; Hartig, M.-S.; Heinzel, G.; Hewitson, M.; Hollington, D.; Hoyland, D.; Hueller, M.; Inchauspé, H.; Jennrich, O.; Jetzer, P.; Johann, U.; Johlander, B.; Karnesis, N.; Kaune, B.; Killow, C.J.; Korsakova, N.; Lobo, J.A.; Liu, L.; López-Zaragoza, J. P.; Maarschalkerweerd, R.; Mance, D.; Martín, V.; Martin-Polo, L.; Martin-Porqueras, F.; Martino, J.; McNamara, P.W.; Mendes, J.; Mendes, L.; Meshksar, N.; Monsky, A.; Nofrarias, M.; Paczkowski, S.; Perreur-Lloyd, M.; Petiteau, A.; Pivato, P.; Plagnol, E.; Ramos-Castro, J.; Reiche, J.; Rivas, F.; Robertson, D.I.; Russano, G.; Sanjuan, J.; Slutsky, J.; Sopuerta, C.F.; Steier, F.; Sumner, T.; Texier, D.; Thorpe, J.I.; Vetrugno, D.; Vitale, S.; Wand, V.; Wanner, G.; Ward, H.; Wass, P. J.; Weber, W.J.; Wissel, L.; Wittchen, A.; Zweifel, P. (College Park, Md. : APS, 2021)
    We report on the first subpicometer interferometer flown in space. It was part of ESA's Laser Interferometer Space Antenna (LISA) Pathfinder mission and performed the fundamental measurement of the positional and angular ...