@misc{FrankScheinerLurzetal., author = {Frank, Martin and Scheiner, Benedict and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Low-Cost Transmitarray Antenna Designs in V-Band based on Unit-Cells with 1 Bit Phase Resolution}, series = {Frequenz}, volume = {73}, journal = {Frequenz}, number = {11/12}, issn = {2191-6349}, doi = {10.1515/freq-2019-0140}, pages = {355 -- 366}, language = {en} } @misc{ScheinerMichlerLurzetal., author = {Scheiner, Benedict and Michler, Fabian and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Nothing Beats SNR: Single-Digit Micrometer Ranging Using a Low-Power CW Radar Featuring a Low-Weight 3D-Printed Horn Antenna}, series = {IEEE microwave magazine}, volume = {21}, journal = {IEEE microwave magazine}, number = {1}, issn = {1527-3342}, doi = {10.1109/MMM.2019.2945150}, pages = {88 -- 95}, language = {en} } @misc{ErhardtTostLurzetal., author = {Erhardt, Stefan and Tost, Frank and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Design and Assembly of Miniature Long-Term Trackers for Migrating Bats}, series = {2020 German Microwave Conference : March 9-11, 2020, Cottbus, Germany}, journal = {2020 German Microwave Conference : March 9-11, 2020, Cottbus, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-398203971-8}, pages = {144 -- 147}, language = {en} } @misc{KrauseMichlerKoelpinetal., author = {Krause, Sascha and Michler, Fabian and K{\"o}lpin, Alexander and Rudolph, Matthias and Heinrich, Wolfgang}, title = {A Digital Correction Method for Increased Dynamic Range in Interferometric Six-Port Radars}, series = {IEEE Microwave and Wireless Components Letters}, volume = {31}, journal = {IEEE Microwave and Wireless Components Letters}, number = {8}, issn = {1558-1764}, doi = {10.1109/LMWC.2021.3084338}, pages = {997 -- 1000}, language = {en} } @misc{WaegeleBodesheimBourlatetal., author = {W{\"a}gele, J. Wolfgang and Bodesheim, Paul and Bourlat, Sarah J. and Denzler, Joachim and Diepenbroek, Michael and Fonseca, Vera and Frommolt, Karl-Heinz and Geiger, Matthias F. and Gemeinholzer, Birgit and Gl{\"o}ckner, Frank Oliver and Haucke, Timm and Kirse, Ameli and K{\"o}lpin, Alexander and Kostadinov, Ivaylo and K{\"u}hl, Hjalmar S. and Kurth, Frank and Lasseck, Mario and Liedke, Sascha and Losch, Florian and M{\"u}ller, Sandra and Petrovskaya, Natalia and Piotrowski, Krzysztof and Radig, Bernd and Scherber, Christoph and Schoppmann, Lukas and Schulz, Jan and Steinhage, Volker and Tschan, Georg F. and Vautz, Wolfgang and Velotto, Domenico and Weigend, Maximilian and Wildermann, Stefan}, title = {Towards a Multisensor Station for Automated Biodiversity Monitoring}, series = {Basic and Applied Ecology}, volume = {59}, journal = {Basic and Applied Ecology}, issn = {1439-1791}, doi = {10.1016/j.baae.2022.01.003}, pages = {105 -- 138}, language = {en} } @inproceedings{FrankTalaiWeigeletal., author = {Frank, Martin and Talai, Armin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {In-line material characterization sensors operating at 10GHz and 77GHz}, series = {2017 IEEE Asia Pacific Microwave Conference : November 13-16, 2017, Renaissance Kuala Lumpur Hotel : proceedings}, booktitle = {2017 IEEE Asia Pacific Microwave Conference : November 13-16, 2017, Renaissance Kuala Lumpur Hotel : proceedings}, publisher = {IEEE}, address = {[Piscataway, NJ]}, isbn = {978-1-5386-0640-7}, doi = {10.1109/APMC.2017.8251702}, pages = {4}, language = {en} } @inproceedings{SanftlTrautmannWeigeletal., author = {Sanftl, Benedikt and Trautmann, Martin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Fully integrated remote radio head and improved data transmission for inductive power transfer systems}, series = {IEEE Radio and Wireless Symposium, Anaheim (USA), 2018}, booktitle = {IEEE Radio and Wireless Symposium, Anaheim (USA), 2018}, doi = {10.1109/RWS.2018.8304978}, pages = {4}, language = {en} } @inproceedings{DudaWeigelKoelpin, author = {Duda, Niklas and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Enhanced mobile node design for small size animal borne wireless sensor nodes with encounter detection and localization}, series = {11th German Microwave Conference, Freiburg (Germany), 2018}, booktitle = {11th German Microwave Conference, Freiburg (Germany), 2018}, doi = {10.23919/GEMIC.2018.8335044}, pages = {123 -- 126}, language = {en} } @inproceedings{ShiWillWeigeletal., author = {Shi, Kilin and Will, Christoph and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Contactless person identification using cardiac radar signals}, series = {Discovering new horizons in instrumentation and measurement : I2MTC : 2018 IEEE International Instrumentation \& Measurement Technology Conference : May 14-17, 2018, Royal Sonesta Hotel, Houston, Texas, USA : 2018 conference proceedings}, booktitle = {Discovering new horizons in instrumentation and measurement : I2MTC : 2018 IEEE International Instrumentation \& Measurement Technology Conference : May 14-17, 2018, Royal Sonesta Hotel, Houston, Texas, USA : 2018 conference proceedings}, publisher = {IEEE}, address = {Piscataway, NJ, USA}, isbn = {978-1-5386-2222-3}, doi = {10.1109/I2MTC.2018.8409645}, pages = {6}, language = {en} } @inproceedings{ShiWillSteiglederetal., author = {Shi, Kilin and Will, Christoph and Steigleder, Tobias and Michler, Fabian and Weigel, Robert and Ostgathe, Christoph and K{\"o}lpin, Alexander}, title = {A contactless system for continuous vital sign monitoring in palliative and intensive care}, series = {The 12th Annual IEEE International Systems Conference : SysCon 2018, Vancouver, Canada : JW Marriott Parq Vancouver, April 24-26 : 2018 conference proceedings}, booktitle = {The 12th Annual IEEE International Systems Conference : SysCon 2018, Vancouver, Canada : JW Marriott Parq Vancouver, April 24-26 : 2018 conference proceedings}, publisher = {IEEE}, address = {Piscataway, NJ, USA}, isbn = {978-1-5386-3664-0}, doi = {10.1109/SYSCON.2018.8369507}, pages = {8}, language = {en} } @inproceedings{LauMichlerTalaietal., author = {Lau, Isabella and Michler, Fabian and Talai, Armin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A Resonant Substrate Integrated Waveguide Measurement System for True Relative Permittivity Extraction of PCB Materials up to 90 GHz}, series = {2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) : 16-18 July 2018}, booktitle = {2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) : 16-18 July 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-5569-6}, doi = {10.1109/IMWS-AMP.2018.8457133}, pages = {3}, language = {en} } @inproceedings{LauFrankShietal., author = {Lau, Isabella and Frank, Martin and Shi, Kilin and Lurz, Fabian and Talai, Armin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {An Accurate Free Space Method for Material Characterization in W-Band Using Material Samples with Two Different Thicknesses}, series = {Proceedings of the 48th European Microwave Conference, Madrid (Spain), 2018}, booktitle = {Proceedings of the 48th European Microwave Conference, Madrid (Spain), 2018}, doi = {10.23919/EuMC.2018.8541437}, pages = {202 -- 205}, language = {en} } @inproceedings{SchellenbergerShiSteiglederetal., author = {Schellenberger, Sven and Shi, Kilin and Steigleder, Tobias and Michler, Fabian and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Support Vector Machine-Based Instantaneous Presence Detection for Continuous Wave Radar Systems}, series = {Proceedings of 2018 Asia-Pacific Microwave Conference}, booktitle = {Proceedings of 2018 Asia-Pacific Microwave Conference}, doi = {10.23919/APMC.2018.8617181}, pages = {1465 -- 1467}, language = {en} } @inproceedings{ShiSchellenbergerSteiglederetal., author = {Shi, Kilin and Schellenberger, Sven and Steigleder, Tobias and Michler, Fabian and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Contactless Carotid Pulse Measurement Using Continuous Wave Radar}, series = {Asia-Pacific Microwave Conference, Kyoto (Japan), 2018}, booktitle = {Asia-Pacific Microwave Conference, Kyoto (Japan), 2018}, doi = {10.23919/APMC.2018.8617522}, pages = {569 -- 571}, language = {en} } @inproceedings{MichlerScheinerLurzetal., author = {Michler, Fabian and Scheiner, Benedict and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A Planar 24 GHz Switched-Beam Antenna Based on PIN Diodes for Remote Sensing Applications}, series = {2018 Asia-Pacific Microwave Conference (APMC)}, booktitle = {2018 Asia-Pacific Microwave Conference (APMC)}, doi = {10.23919/APMC.2018.8617541}, pages = {402 -- 404}, language = {en} } @inproceedings{ScheinerMannLurzetal., author = {Scheiner, Benedict and Mann, Sebastian and Lurz, Fabian and Michler, Fabian and Erhardt, Stefan and Lindner, Stefan and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Microstrip-to-waveguide transition in planar form using a substrate integrated waveguide}, series = {IEEE Radio and Wireless Symposium, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Radio and Wireless Symposium, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-0710-7}, doi = {10.1109/RWS.2018.8304934}, pages = {18 -- 20}, language = {en} } @inproceedings{LichtblauSanftlLurzetal., author = {Lichtblau, Johann and Sanftl, Benedikt and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Examination of OFDM for wireless train-onboard communication}, series = {IEEE Radio and Wireless Symposium, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Radio and Wireless Symposium, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-0710-7}, doi = {10.1109/RWS.2018.8304981}, pages = {184 -- 187}, language = {en} } @inproceedings{FrankGhesquiereKiefletal., author = {Frank, Martin and Ghesquiere, Pol and Kiefl, Stefan and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Design and characterization of antenna arrays in eWLB package for 61 GHz radar applications}, series = {IEEE Radio and Wireless Symposium, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Radio and Wireless Symposium, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-0710-7}, doi = {10.1109/RWS.2018.8304933}, pages = {14 -- 17}, language = {en} } @inproceedings{KoelpinBudroweit, author = {K{\"o}lpin, Alexander and Budroweit, Jan}, title = {Design challenges of a highly integrated SDR platform for multiband spacecraft applications in radiation enviroments}, series = {Topical Workshop on Internet of Space, 14-17 January 2018, Anaheim, California, USA}, booktitle = {Topical Workshop on Internet of Space, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1294-1}, doi = {10.1109/TWIOS.2018.8311399}, pages = {9 -- 12}, language = {en} } @inproceedings{ScheinerLurzMichleretal., author = {Scheiner, Benedict and Lurz, Fabian and Michler, Fabian and Lindner, Stefan and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Fast dual-synthesizer for six-port in-situ linearization in the 2.4 GHz ISM-band}, series = {GeMiC 2018, German Microwave Conference, March 12-14, Freiburg, Germany}, booktitle = {GeMiC 2018, German Microwave Conference, March 12-14, Freiburg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-3-9812668-8-7}, doi = {10.23919/GEMIC.2018.8335070}, pages = {223 -- 226}, language = {en} } @inproceedings{LurzHofstetterLindneretal., author = {Lurz, Fabian and Hofstetter, Patrick and Lindner, Stefan and Linz, Sarah and Michler, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Low-power frequency synthesizer for multi-tone six-port radar}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1286-6}, doi = {10.1109/WISNET.2018.8311571}, pages = {84 -- 87}, language = {en} } @inproceedings{MuellerDanzecaGarciaAliaetal., author = {M{\"u}ller, Steffen and Danzeca, Salvatore and Garcia Al{\´i}a, Rub{\´e}n and Brugger, Markus and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Circuit design for a radiation tolerant 2.4 GHz synthesizer based on COTS components}, series = {IEEE Topical Workshop on Internet of Space, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Workshop on Internet of Space, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1294-1}, doi = {10.1109/TWIOS.2018.8311400}, pages = {13 -- 16}, language = {en} } @inproceedings{PflaumWeigelKoelpin, author = {Pflaum, Felix and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Ultra-low-power sensor node with wake-up-functionality for smart-sensor-applications}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1286-6}, doi = {10.1109/WISNET.2018.8311577}, pages = {107 -- 110}, language = {en} } @inproceedings{ErhardtPflaumWeigeletal., author = {Erhardt, Stefan and Pflaum, Felix and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Real-time GSM broadcast receiver on a Cortex-M4 microcontroller}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1286-6}, doi = {10.1109/WISNET.2018.8311563}, pages = {55 -- 58}, language = {en} } @inproceedings{LurzScheinerLinzetal., author = {Lurz, Fabian and Scheiner, Benedict and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Compact PCB delay line for six-port based instantaneous frequency measurement}, series = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, booktitle = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-83-949421-1-3}, doi = {10.23919/MIKON.2018.8405343}, pages = {87 -- 90}, language = {en} } @inproceedings{LinzLurzWeigeletal., author = {Linz, Sarah and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A review on six-port radar and its calibration techniques}, series = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, booktitle = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-83-949421-1-3}, doi = {10.23919/MIKON.2018.8405341}, pages = {80 -- 83}, language = {en} } @inproceedings{ScheinerLurzMichleretal., author = {Scheiner, Benedict and Lurz, Fabian and Michler, Fabian and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Six-Port Based Multitone and Low-Power Radar System for Waveguide Measurements in Smart Factories}, series = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, booktitle = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-051-4}, doi = {10.23919/EuMC.2018.8541518}, pages = {1065 -- 1068}, language = {en} } @inproceedings{LichtblauSanftlKrausetal., author = {Lichtblau, Johann and Sanftl, Benedikt and Kraus, Christian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Influence of train interior on train-onboard communication}, series = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, booktitle = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, publisher = {Piscataway, NJ}, address = {IEEE}, isbn = {978-83-949421-1-3}, doi = {10.23919/MIKON.2018.8405299}, pages = {605 -- 606}, language = {en} } @inproceedings{ErhardtGaedeKoelpinetal., author = {Erhardt, Stefan and G{\"a}de, Bernhard and K{\"o}lpin, Alexander and Weigel, Robert}, title = {Enhanced GSM Broadcast Receiver using the Phase Output of a Sub-GHz Transceiver}, series = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, booktitle = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-051-4}, doi = {10.23919/EuMC.2018.8541538}, pages = {1137 -- 1140}, language = {en} } @inproceedings{MichlerDenizLurzetal., author = {Michler, Fabian and Deniz, Harun and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Performance Analysis of an Ultra Wideband Transceiver for Real-Time Localization}, series = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, booktitle = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-051-4}, doi = {10.23919/EuMC.2018.8541672}, pages = {1141 -- 1144}, language = {en} } @inproceedings{MichlerLindnerLurzetal., author = {Michler, Fabian and Lindner, Stefan and Lurz, Fabian and Erhardt, Stefan and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Zero-Bias Schottky Power Detector Design for Six-Port based Radar Systems}, series = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, booktitle = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-047-7}, doi = {10.23919/EuMC.2017.8230841}, pages = {228 -- 231}, language = {en} } @inproceedings{LindnerLurzLinzetal., author = {Lindner, Stefan and Lurz, Fabian and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Mixer Assisted Interferometric Six-Port System for Accurate Distance Measurements}, series = {European Radar Conference, 11-13 Oct. 2017, Nuremberg, Germany}, booktitle = {European Radar Conference, 11-13 Oct. 2017, Nuremberg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-049-1}, doi = {10.23919/EURAD.2017.8249204}, pages = {291 -- 294}, language = {en} } @inproceedings{FrankWeigelKoelpin, author = {Frank, Martin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A Multilayer Reconfigurable Transmitarray in KBand for Beam Steering Applications}, series = {International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 Sept. 2017 Verona, Italy}, booktitle = {International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 Sept. 2017 Verona, Italy}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5090-4451-1}, doi = {10.1109/ICEAA.2017.8065361}, pages = {764 -- 767}, language = {en} } @inproceedings{ErhardtWeigelKoelpin, author = {Erhardt, Stefan and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Receiving GSM Broadcast Channels with an Ultra- Low Power Sub-GHz Transceiver}, series = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, booktitle = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-047-7}, doi = {10.23919/EuMC.2017.8230869}, pages = {380 -- 383}, language = {en} } @inproceedings{WillShiWeigeletal., author = {Will, Christoph and Shi, Kilin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Advanced Template Matching Algorithm for Instantaneous Heartbeat Detection using Continuous Wave Radar Systems}, series = {First IEEE MTT-S International Microwave Bio Conference (IMBIOC), G{\"o}teborg (Sweden), 2017}, booktitle = {First IEEE MTT-S International Microwave Bio Conference (IMBIOC), G{\"o}teborg (Sweden), 2017}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1713-7}, doi = {10.1109/IMBIOC.2017.7965797}, pages = {4}, language = {en} } @misc{RippergerGuentherWieseretal., author = {Ripperger, Simon and G{\"u}nther, Linus and Wieser, Hanna and Duda, Niklas and Hierold, Martin and Cassens, Bj{\"o}rn and Kapitza, R{\"u}diger and K{\"o}lpin, Alexander and Mayer, Frieder}, title = {Proximity sensors reveal social information transfer in maternity colonies of Common noctule bats}, series = {bioRxiv}, journal = {bioRxiv}, doi = {10.1101/421974}, pages = {33}, language = {en} } @misc{RippergerGuentherWieseretal., author = {Ripperger, Simon and G{\"u}nther, Linus and Wieser, Hanna and Duda, Niklas and Hierold, Martin and Cassens, Bj{\"o}rn and Kapitza, R{\"u}diger and K{\"o}lpin, Alexander and Mayer, Frieder}, title = {Proximity sensors on common noctule bats reveal evidence that mothers guide juveniles to roosts but not food}, series = {Biology Letters der Royal Society}, volume = {15}, journal = {Biology Letters der Royal Society}, number = {2}, issn = {1744-9561}, doi = {10.1098/rsbl.2018.0884}, pages = {6}, language = {en} } @misc{BudroweitJakschAliaetal., author = {Budroweit, Jan and Jaksch, Mattis and Al{\´i}a, Rub{\´e}n Gracia and Coronetti, Andrea and K{\"o}lpin, Alexander}, title = {Heavy Ion Induced Single Event Effects Characterization on an RF-Agile Transceiver for Flexible Multi-Band RawSpace Avidio Systems in Neonics}, series = {Aerospace}, volume = {7}, journal = {Aerospace}, number = {14}, issn = {2226-4310}, doi = {10.3390/aerospace7020014}, pages = {1 -- 19}, language = {en} } @misc{DudaRippergerMayeretal., author = {Duda, Niklas and Ripperger, Simon and Mayer, Frieder and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Low-Weight Noninvasive Heart Beat Detector for Small Airborne Vertebrates}, series = {IEEE Sensors Letters}, volume = {4}, journal = {IEEE Sensors Letters}, number = {2}, issn = {2475-1472}, doi = {10.1109/LSENS.2020.2971769}, pages = {13053}, language = {en} } @misc{HeiningMichlerScheineretal., author = {Heining, Simon and Michler, Fabian and Scheiner, Benedict and Hassan, Emadeldeen and K{\"o}lpin, Alexander and Weigel, Robert and Lurz, Fabian}, title = {An Ultra Broadband Multi-Tone Six-Port Radar for Distance Measurements in K-Band Waveguides}, series = {IEEE Radio and Wireless Symposium 2020,26-29 Jan. 2020, San Antonio, TX, USA}, journal = {IEEE Radio and Wireless Symposium 2020,26-29 Jan. 2020, San Antonio, TX, USA}, isbn = {978-1-7281-1120-9}, doi = {10.1109/RWS45077.2020.9050025}, pages = {4}, language = {en} } @misc{MichlerShiSchellenbergeretal., author = {Michler, Fabian and Shi, Kilin and Schellenberger, Sven and Scheiner, Benedict and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {On the impact of system nonlinearities in continuous-wave radar systems for vital parameter sensing}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 26-29 Jan. 2020, San Antonio, TX, USA}, journal = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 26-29 Jan. 2020, San Antonio, TX, USA}, isbn = {978-172813355-3}, doi = {10.1109/WiSNeT46826.2020.9037603}, pages = {3}, language = {en} } @misc{DornErhardtWeigeletal., author = {Dorn, Christian and Erhardt, Stefan and Weigel, Robert and K{\"o}lpin, Alexander and Lurz, Fabian}, title = {Low-profile and low-cost transmitarray antenna at 122 GHz based on unit-cells with 1-bit phase resolution}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks,26-29 Jan. 2020, San Antonio, TX, USA}, journal = {IEEE Topical Conference on Wireless Sensors and Sensor Networks,26-29 Jan. 2020, San Antonio, TX, USA}, isbn = {978-172813355-3}, doi = {10.1109/WiSNeT46826.2020.9037602}, pages = {4}, language = {en} } @misc{ShiSchellenbergerMichleretal., author = {Shi, Kilin and Schellenberger, Sven and Michler, Fabian and Steigleder, Tobias and Malessa, Anke and Lurz, Fabian and Ostgathe, Christoph and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Automatic Signal Quality Index Determination of Radar-Recorded Heart Sound Signals Using Ensemble Classification}, series = {IEEE Transactions on Biomedical Engineering}, volume = {67}, journal = {IEEE Transactions on Biomedical Engineering}, number = {3}, issn = {1558-2531}, doi = {10.1109/TBME.2019.2921071}, pages = {773 -- 785}, language = {en} } @misc{LurzMichlerScheineretal., author = {Lurz, Fabian and Michler, Fabian and Scheiner, Benedict and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Microw(h)att?! 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