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issn = {1759-0795}, doi = {10.1017/S1759078719000072}, pages = {1 -- 5}, language = {en} } @misc{MichlerShiSchellenbergeretal., author = {Michler, Fabian and Shi, Kilin and Schellenberger, Sven and Steigleder, Tobias and Malessa, Anke and Hameyer, Laura and Neumann, Nina and Lurz, Fabian and Ostgathe, Christoph and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A Clinically Evaluated Interferometric Continuous-Wave Radar System for the Contactless Measurement of Human Vital Parameters}, series = {Sensors}, volume = {19}, journal = {Sensors}, number = {11}, issn = {1424-8220}, doi = {10.3390/s19112492}, pages = {19}, language = {en} } @misc{LauHajianMichleretal., author = {Lau, Isabella and Hajian, Ali and Michler, Fabian and Gold, Gerald and Lurz, Fabian and Schmid, Ulrich and Helmreich, Klaus and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Influence of the PCB Manufacturing Process on the Measurement Error of Planar Relative Permittivity Sensors Up To 100 GHz}, series = {IEEE Transactions on Microwave Theory and Techniques}, volume = {67}, journal = {IEEE Transactions on Microwave Theory and Techniques}, number = {7}, issn = {1557-9670}, doi = {10.1109/TMTT.2019.2910114}, pages = {2793 -- 2804}, 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{TrautmannSanftlWeigeletal., author = {Trautmann, Martin and Sanftl, Benedikt and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Simultaneous Inductive Power and Data Transmission System for Smart Applications}, series = {IEEE Circuits and Systems Magazine}, volume = {19}, journal = {IEEE Circuits and Systems Magazine}, number = {3}, issn = {1531-636X}, doi = {10.1109/MCAS.2019.2924508}, pages = {23 -- 33}, language = {en} } @misc{ScheinerSchellenbergerShietal., author = {Scheiner, Benedict and Schellenberger, Sven and Shi, Kilin and Heusinger, Elena and Michler, Fabian and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Low-power contactless LC-tank based respiratory sensor}, series = {Electronics Letters}, volume = {55}, journal = {Electronics Letters}, number = {6}, issn = {1350-911X}, doi = {10.1049/el.2018.7936}, pages = {304 -- 306}, language = {en} } @misc{BudroweitMuellerJakschetal., author = {Budroweit, Jan and M{\"u}ller, Steffen and Jaksch, Mattis and Al{\´i}a, Rub{\´e}n Gracia and Coronetti, Andrea and K{\"o}lpin, Alexander}, title = {In-Situ Testing of a Multi-Band Software-Defined Radio Platform in a Mixed-Field Irradiation Environment}, series = {Aerospace}, volume = {6}, journal = {Aerospace}, number = {10}, issn = {2226-4310}, doi = {10.3390/aerospace6100106}, pages = {12}, language = {en} } @misc{RippergerCarterDudaetal., author = {Ripperger, Simon and Carter, Gerald G. and Duda, Niklas and K{\"o}lpin, Alexander and Cassens, Bj{\"o}rn and Kapitza, R{\"u}diger and Josic, Darija and Berr{\´i}o-Mart{\´i}nez, Jineth and Page, Rachel A. and Mayer, Frieder}, title = {Vampire Bats that Cooperate in the Lab Maintain Their Social Networks in the Wild}, series = {Current Biology}, volume = {29}, journal = {Current Biology}, number = {23}, issn = {0960-9822}, doi = {10.1016/j.cub.2019.10.024}, pages = {4139 -- 4144.e4}, language = {en} } @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{ShiSchellenbergerWilletal., author = {Shi, Kilin and Schellenberger, Sven and Will, Christoph and Steigleder, Tobias and Michler, Fabian and Fuchs, Jonas and Weigel, Robert and Ostgathe, Christoph and K{\"o}lpin, Alexander}, title = {A dataset of radar-recorded heart sounds and vital signs including synchronised reference sensor signals}, series = {Scientific Data}, volume = {7}, journal = {Scientific Data}, number = {1}, issn = {2052-4463}, doi = {10.15480/882.2830}, pages = {1 -- 12}, 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{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{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{FrankLurzWeigeletal., author = {Frank, Martin and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Universal low-cost transmitarray antenna design at 61 GHz for beam steering with different feed antennas}, series = {WSA 2020 : 24th International ITG Workshop on Smart Antennas : February 18-20, 2020, Hamburg, Germany}, journal = {WSA 2020 : 24th International ITG Workshop on Smart Antennas : February 18-20, 2020, Hamburg, Germany}, publisher = {VDE VERLAG GmbH}, address = {Berlin ; Offenbach}, isbn = {978-380075200-3}, pages = {1 CD-ROM}, language = {en} } @misc{SchellenbergerShiSteiglederetal., author = {Schellenberger, Sven and Shi, Kilin and Steigleder, Tobias and Malessa, Anke and Michler, Fabian and Hameyer, Laura and Neumann, Nina and Lurz, Fabian and Weigel, Robert and Ostgathe, Christoph and K{\"o}lpin, Alexander}, title = {A dataset of clinically recorded radar vital signs with synchronised reference sensor signals}, series = {Scientific Data}, volume = {7}, journal = {Scientific Data}, number = {1}, issn = {2052-4463}, doi = {10.15480/882.2900}, 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{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{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{ErhardtKollerLurzetal., author = {Erhardt, Stefan and Koller, Josef and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {An Automatic Detection and Data Downlink System for Miniature Bat Loggers}, series = {IEEE Radio and Wireless Symposium, 26-29 Jan. 2020, San Antonio, TX, USA}, journal = {IEEE Radio and Wireless Symposium, 26-29 Jan. 2020, San Antonio, TX, USA}, isbn = {978-172811120-9}, issn = {2164-2958}, doi = {10.1109/RWS45077.2020.9050051}, pages = {247 -- 250}, 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{SuetbasNgWesseletal., author = {S{\"u}tbas, Batuhan and Ng, Herman Jalli and Wessel, Jan and K{\"o}lpin, Alexander and Kahmen, Gerhard}, title = {A V-band Low-Power and Compact Down-Conversion Mixer with Low LO Power in 130-nm SiGe BiCMOS Technology}, series = {16th European Microwave Integrated Circuits Conference (EuMIC), 03-04 April 2022, London, United Kingdom}, journal = {16th European Microwave Integrated Circuits Conference (EuMIC), 03-04 April 2022, London, United Kingdom}, doi = {10.23919/EuMIC50153.2022.9783953}, pages = {4}, language = {en} } @misc{SuetbasNgyWesseletal., author = {S{\"u}tbas, Batuhan and Ngy, Herman Jalli and Wessel, Jan and K{\"o}lpin, Alexander and Kahmen, Gerhard}, title = {Low-Power Ka- and V-Band Miller Compensated Amplifiers in 130-nm SiGe BiCMOS Technology}, series = {16th European Microwave Integrated Circuits Conference (EuMIC), 03-04 April 2022, London, United Kingdom}, journal = {16th European Microwave Integrated Circuits Conference (EuMIC), 03-04 April 2022, London, United Kingdom}, isbn = {978-2-87487-064-4}, doi = {10.23919/EuMIC50153.2022.9783785}, pages = {4}, 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} }