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Gao, Jie; Vorobyov, Sergiy A.; Jiang, Hai; Zhang, Jianshu; Haardt, Martin
Sum-rate maximization with minimum power consumption for MIMO DF two-way relaying - part I: relay optimization. - In: IEEE transactions on signal processing, ISSN 1941-0476, Bd. 61 (2013), 14, S. 3563-3577

http://dx.doi.org/10.1109/TSP.2013.2262277
Kunert, Jürgen; Brandel, Oliver; Linzen, Sven; Wetzstein, Olaf; Töpfer, Hannes; Ortlepp, Thomas; Meyer, Hans-Georg
Recent developments in superconductor digital electronics technology at FLUXONICS foundry. - In: IEEE transactions on applied superconductivity, ISSN 1558-2515, Bd. 23 (2013), 5, 1101707, insges. 7 S.

https://doi.org/10.1109/TASC.2013.2265496
Petkoviâc, Bojana; Haueisen, Jens; Zec, Mladen; Uhlig, Robert Peter; Brauer, Hartmut; Ziolkowski, Marek
Lorentz force evaluation: a new approximation method for defect reconstruction. - In: NDT & E international, Bd. 59 (2013), S. 57-67

https://doi.org/10.1016/j.ndteint.2013.05.005
Costa, João Paulo Carvalho Lustosa da; Liu, Kefei; So, Hing Cheung; Schwarz, Stefanie; Haardt, Martin; Römer, Florian
Multidimensional prewhitening for enhanced signal reconstruction and parameter estimation in colored noise with Kronecker correlation structure. - In: Signal processing, Bd. 93 (2013), 11, S. 3209-3226

https://doi.org/10.1016/j.sigpro.2013.04.010
Narandžiâc, Milan; Schneider, Christian; Kotterman, Wim; Thomä, Reiner
Quantification of scenario distance within generic WINNER channel model. - In: International journal of antennas and propagation, ISSN 1687-5877, Bd. 2013 (2013), Article ID 176704, insges. 17 S.

http://dx.doi.org/10.1155/2013/176704
Schulz, Alexander; Xia, Lei; Müller, Jens; Rentsch, Sven; Müller, Robert
A low-loss fully embedded stripline parallel coupled BPF for applications using the 60 GHz band. - In: International journal of applied ceramic technology, ISSN 1744-7402, Bd. 10 (2013), 2, S. 307-312

http://dx.doi.org/10.1111/j.1744-7402.2011.02738.x
Miyajima, Shigeyuki; Ortlepp, Thomas; Töpfer, Hannes; Bozbey, Ali; Fujimaki, Akira
Experimental demonstration and numerical analysis of microampere gray zone width with enhanced operating margin in shunted quasi-one junction superconducting quantum interference device comparators. - In: Japanese journal of applied physics, ISSN 1347-4065, Bd. 52.2013, 3R, S. 033101, insges. 5 S.

We evaluated the relationship between the gray zone width and the operating margin for comparators composed of quasi-one-junction superconducting quantum interference devices (QOSs) with shunt resistors, which are often used as high-speed readout circuits in multiple superconductor detector systems. The gray zone width is a good measure of current sensitivity of a single-bit comparator. We numerically analyzed the gray zone width of a QOS comparator and determined the circuit parameters. The gray zone width obtained from the experiments concurred with the results of the numerical analys is and was 2-3 [my]A at 4.2 K in a QOS comparator composed of three Nb/AlOx/Nb junctions with critical currents of less than 90 [my]A. The experimentally obtained operating margin for the bias current provided to the comparator was +-15% at the bias current of around 140 [my]A. These results show that QOS comparators are promising for readout circuits operating up to tens of GHz and imply that gray zone width is the thermal noise in the resistors at 4.2 K.



http://dx.doi.org/10.7567/JJAP.52.033101
Liu, Kefei; Costa, João Paulo Carvalho Lustosa; So, Hing Cheung; Römer, Florian; Haardt, Martin; Gadêlha, Luiz F.
3-D unitary ESPRIT: accurate attitude estimation for unmanned aerial vehicles with a hexagon-shaped ESPAR array. - In: Digital signal processing, ISSN 1051-2004, Bd. 23 (2013), 3, S. 701-711

http://dx.doi.org/10.1016/j.dsp.2012.12.010