Elke gehrmann (6 resultados)
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Rundschau Magazin: Wohin in der Heimat
Brigitte Fritz-Kador Elke Gehrmann / Editor: Lausitzer Rundschau / Elbe-Elster-Rundschau
Editorial: LR Medienverlag, Cottbus, 1994
Librería: Versandantiquariat Funke, Dresden, AlemaniaVersandantiquariat Funke
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EUR 19,99
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Añadir al carritoCondición: guter bis sehr guter Zustand. guter bis sehr guter Zustand, geringe Gebrauchs- und Alterungsspuren: original mittig quer gefalten - Ränder und Ecken gelegentlich mit kleinen Blessuren - Seiten teils etwas eselsohrig Zeitung vom 28. April 1994 mit Informationen zu Veranstaltungen und Kultur der Lausitz: Wohin in und um… Calau, Senftenberg, Cottbus, Forst, Guben, Spremberg, Dahme, Lübben, Luckau, Herzberg, Finsterwalde, Bad Liebenwerda, Hoyerswerda, Weißwasser, Niesky, Jessen, Wittenberg und Umgebung, 2 Sonderseiten zum Höllbergfest Seitenanzahl: 48 Seiten mit zahlreichen Bildern Format: ca. 25,5 x 34,5 Zeitung Deutsch.
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Librería: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, AlemaniaBuchWeltWeit Ludwig Meier e.K.
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 32,00
Envío por EUR 23,00Se envía de Alemania a Estados Unidos de AmericaCantidad disponible: 2 disponibles
Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This work deals with the improvement of tube performance by using a novel method of second-harmonic suppression. The common techniques of harmonic suppression inside the tube are introduced and discussed with respect to their suitab…ility for modern space applications. A filter helix delay line is presented as a useful approach for harmonic suppression in these applications and its design parameters are introduced. Its effect in traveling-wave tube operation is simulated with the code ¿MVTRAD-Reflections¿ proprietary to Thales Electronic Systems. Three different filter helix designs are developed and tested, one in an L-band tube and two in S-band tubes. Improvement of the output power, i.e. increase of the first and suppression of the second harmonic as well as a higher energy of the electron beam at the output are the main design goals. The influence of the filter helix design parameters on the tube output is investigated. They are optimized to achieve the designated design goals. In simulation and measurement, the performance of the tubes is analyzed and compared to that of the tubes without a filter helix. In addition, the influence of the reflection at the output coupler on filter helix performance is investigated. 126 pp. Englisch.
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Librería: moluna, Greven, Alemaniamoluna
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Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. KlappentextrnrnThis work deals with the improvement of tube performance by using a novel method of second-harmonic suppression. The common techniques of harmonic suppression inside the tube are introduced and discusse…d with respect to their suit.
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Librería: buchversandmimpf2000, Emtmannsberg, BAYE, Alemaniabuchversandmimpf2000
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Envío por EUR 60,00Se envía de Alemania a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This work deals with the improvement of tube performance by using a novel method of second-harmonic suppression. The common techniques of harmonic suppression inside the tube are introduced and discussed with respect to their suitabilit…y for modern space applications. A filter helix delay line is presented as a useful approach for harmonic suppression in these applications and its design parameters are introduced. Its effect in traveling-wave tube operation is simulated with the code 'MVTRAD-Reflections' proprietary to Thales Electronic Systems. Three different filter helix designs are developed and tested, one in an L-band tube and two in S-band tubes. Improvement of the output power, i.e. increase of the first and suppression of the second harmonic as well as a higher energy of the electron beam at the output are the main design goals. The influence of the filter helix design parameters on the tube output is investigated. They are optimized to achieve the designated design goals. In simulation and measurement, the performance of the tubes is analyzed and compared to that of the tubes without a filter helix. In addition, the influence of the reflection at the output coupler on filter helix performance is investigated.Cuvillier Verlag, Nonnenstieg 8, 37075 Göttingen 126 pp. Englisch.
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Librería: AHA-BUCH GmbH, Einbeck, AlemaniaAHA-BUCH GmbH
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 32,00
Envío por EUR 60,87Se envía de Alemania a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Taschenbuch. Condición: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This work deals with the improvement of tube performance by using a novel method of second-harmonic suppression. The common techniques of harmonic suppression inside the tube are introduced and discussed with respect to their suitability… for modern space applications. A filter helix delay line is presented as a useful approach for harmonic suppression in these applications and its design parameters are introduced. Its effect in traveling-wave tube operation is simulated with the code ¿MVTRAD-Reflections¿ proprietary to Thales Electronic Systems. Three different filter helix designs are developed and tested, one in an L-band tube and two in S-band tubes. Improvement of the output power, i.e. increase of the first and suppression of the second harmonic as well as a higher energy of the electron beam at the output are the main design goals. The influence of the filter helix design parameters on the tube output is investigated. They are optimized to achieve the designated design goals. In simulation and measurement, the performance of the tubes is analyzed and compared to that of the tubes without a filter helix. In addition, the influence of the reflection at the output coupler on filter helix performance is investigated.
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Librería: preigu, Osnabrück, Alemaniapreigu
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EUR 32,00
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Taschenbuch. Condición: Neu. Filter Helices in Low-Frequency Traveling-Wave Tubes | Elke Gehrmann | Taschenbuch | 126 S. | Englisch | 2016 | Cuvillier | EAN 9783736992399 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu Print on Demand.
