Zobrazeno 1 - 10
of 236
pro vyhledávání: '"U. Nickel"'
Publikováno v:
2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Bochum, Germany, Germany, 16-18/7/2019
info:cnr-pdr/source/autori:M. Dressler ; T. Studnitzky ; M. Stäter ; O. Peverini ; G. Addamo ; H.-U. Nickel/congresso_nome:2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)/congresso_luogo:Bochum, Germany, Germany/congresso_data:16-18%2F7%2F2019/anno:2019/pagina_da:/pagina_a:/intervallo_pagine
info:cnr-pdr/source/autori:M. Dressler ; T. Studnitzky ; M. Stäter ; O. Peverini ; G. Addamo ; H.-U. Nickel/congresso_nome:2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)/congresso_luogo:Bochum, Germany, Germany/congresso_data:16-18%2F7%2F2019/anno:2019/pagina_da:/pagina_a:/intervallo_pagine
This paper reports on the preparation procedure of 3D screen printed RF copper components which were (i) printed in stainless steel and subsequently copper plated, and (ii) printed directly in copper. The RF properties were measured and showed promis
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 48:913-916
A 2003 paper by Zheng, Tseng, and Yu presented closed-form solutions for the angles of arrival of returns from two targets when using four-channel monopulse radar. In this comment, we present a mathematically equivalent algorithm developed by Karl Ba
Publikováno v:
Signal Processing. 90:3056-3064
This paper investigates the direct position determination (DPD) problem from passive measurements made with a moving antenna array in the case of a time-varying number of emitting sources. We derive the Cramer-Rao bound (CRB) for the estimation probl
Autor:
U. Nickel
Publikováno v:
IEEE Aerospace and Electronic Systems Magazine. 21:27-56
Monopulse is an established technique for radar angle estimation. One can show that monopulse estimation is based on a general approximation derived from maximum likelihood (ML) estimation. This tutorial provides a derivation of this relation and pre
Publikováno v:
2014 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC).
Autor:
T. M. Tran, A. Wien, Manfred Thumm, A. Möbius, C.T. Iatrou, H.-U. Nickel, G. Tonon, D.R. Whaley, P. Norajitra, G. Bon Mardion, Minh Quang Tran, M. Pain, Stefan Kern
Publikováno v:
International Journal of Infrared and Millimeter Waves. 16:1129-1158
The gyrotron system for ECH and burn control on ITER requires at least 50MW of RF power at frequencies near 170GHz operating in CW. To meet these requirements, high efficiency gyrotron tubes with greater than or equal to 1MW power output capability a
Publikováno v:
ChemInform. 25
Autor:
H U Nickel, T Geist
Publikováno v:
Gyrotron Oscillators: Their Principles and Practice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be96277fb9dc412b40495ada80e26d02
https://doi.org/10.4324/9780203221310_chapter_12
https://doi.org/10.4324/9780203221310_chapter_12
Autor:
H.-U. Nickel, G. Gantenbein, G. Dammertz, T. Geist, Bernhard Piosczyk, G. Hochschild, M. Kuntze, Edith Borie, Manfred Thumm, O. Dumbrajs, B. Jödicke
Publikováno v:
International Journal of Electronics. 72:687-720
The gyrotron is a powerful source of millimetre wave radiation. Fusion applications require more power per tube than is currently available This in turn means that the resonator must be highly overmoded, with a dense mode spectrum, which leads to mod
Autor:
H W, Kleemann, H, Heitsch, R, Henning, W, Kramer, W, Kocher, U, Lerch, W, Linz, W U, Nickel, D, Ruppert, H, Urbach
Publikováno v:
Journal of Medicinal Chemistry. 35:559-567
Incorporation of a C-terminal pentahydroxy functionality led to potent, low molecular weight hydrophilic renin inhibitors lacking the P1' side chain. As these compounds are easy to synthesize and have sufficient water solubility, they were chosen for