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Highly Resolved Synthetic Aperture Radar with Beam Steering

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Book Series: Karlsruher Forschungsberichte aus dem Institut für Hochfrequenztechnik und Elektronik ISSN: 18684696 ISBN: 9783731503156 Year: Volume: 77 Pages: XXI, 213 p. DOI: 10.5445/KSP/1000044864 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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The present work deals with a highly resolved radar with a synthetic aperture (synthetic aperture radar - SAR), which uses a beam steering to improve performance. The first part of this work deals with the influence of various effects occurring in the hardware of the High-Resolution Wide-Swath SAR (HRWS SAR) system. A special focus was set to single bit quantization in multi-channel receiver. The second part of this work describes SAR processors for Sliding Spotlight mode.

Realtime Analysis of Large-Scale Data

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ISBN: 9783731505525 Year: Pages: XIII, 98 p. DOI: 10.5445/KSP/1000056498 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
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In photon science more and more data are taken. It is not possible anymore to store and process all data offline. In this book, we explore strategies for handling this large amount of data. A neural network as well as techniques from image processing are used to efficiently categorize and select useful data. We also indicate why many sophisticated algorithms cannot be used in this context. In addition, a prototype for data selection is presented, discussed, and benchmarked.

Praxis der Digitalen Signalverarbeitung

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ISBN: 9783731503651 Year: Pages: VIII, 301 p. DOI: 10.5445/KSP/1000046560 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:01
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The basics of digital signal processing are introduced with eight practical experiments. The experiments cover a wide range of different topics such as sensor fusion, vibration analysis, acoustics and image processing. The presented techniques aim at making the reader familiar with the practical application of modern methods of signal processing. These mastering of these helpful tools is often a requirement in daily professional life.

Formation of Intracardiac Electrograms under Physiological and Pathological Conditions

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Book Series: Karlsruhe transactions on biomedical engineering / Ed.: Karlsruhe Institute of Technology / Institute of Biomedical Engineering ISSN: 18645933 ISBN: 9783731502289 Year: Volume: 21 Pages: X, 238 p. DOI: 10.5445/KSP/1000041272 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:59
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This work presents methods to advance electrophysiological simulations of intracardiac electrograms (IEGM). An experimental setup is introduced, which combines electrical measurements of extracellular potentials with a method for optical acquisition of the transmembrane voltage in-vitro. Thereby, intracardiac electrograms can be recorded under defined conditions. Using experimental and clinical signals, detailed simulations of IEGMs are parametrized, which can support clinical diagnosis.

FMCW-Radarsignalverarbeitung zur Entfernungsmessung mit hoher Genauigkeit

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Book Series: Karlsruher Forschungsberichte aus dem Institut für Hochfrequenztechnik und Elektronik ISSN: 18684696 ISBN: 9783731506072 Year: Volume: 83 Pages: XV, 140 p. DOI: 10.5445/KSP/1000062132 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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Distance measurements with micrometer accuracies are essential for the control of industrial machines. This work investigates the maximum possible accuracy of FMCW radar systems, which use an additional phase evaluation. The feasibility of the developed techniques is shown in different industrial applications. An accuracy better than 1 µm is demonstrated in measurements.

Data-driven Methods for Fault Localization in Process Technology

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Book Series: Karlsruher Schriften zur Anthropomatik / Lehrstuhl für Interaktive Echtzeitsysteme, Karlsruher Institut für Technologie ; Fraunhofer-Inst. für Optronik, Systemtechnik und Bildauswertung IOSB Karlsruhe ISSN: 18636489 ISBN: 9783731500988 Year: Volume: 15 Pages: XVIII, 194 p. DOI: 10.5445/KSP/1000036427 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
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Control systems at production plants consist of a large number of process variables. When detecting abnormal behavior, these variables generate an alarm. Due to the interconnection of the plant's devices the fault can lead to an alarm flood. This again hides the original location of the causing device. In this work several data-driven approaches for root cause localization are proposed, compared and combined. All methods analyze disturbed process data for backtracking the propagation path.

Design and Experimental Investigation of a Second Harmonic 20 kW Class 28 GHz Gyrotron for Evaluation of New Emitter Technologies

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Book Series: Karlsruher Forschungsberichte aus dem Institut für Hochleistungsimpuls- und Mikrowellentechnik ISSN: 21922764 ISBN: 9783731505846 Year: Volume: 10 Pages: XI, 132 p. DOI: 10.5445/KSP/1000059748 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 19:59:17
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Gyrotrons are high-power mm-wave tubes. Here, the design, construction and experimental investigation of a 20 kW, 28 GHz gyrotron (2nd harmonic) are reported. This tube was designed to evaluate new emitters for future highly efficient and reliable fusion gyrotrons and for material processing applications. Following experimental results have been achieved in CW operation: 22.5 kW output power at 23.4 kV electron beam voltage and 2.23 A beam current with the world record efficiency of 43 %.

Micro- and Nanostructured Microfluidic Devices for Localized Protein Immobilization and Other Biomedical Applications

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Book Series: Schriften des Instituts für Mikrostrukturtechnik am Karlsruher Institut für Technologie / Hrsg.: Institut für Mikrostrukturtechnik ISSN: 18695183 ISBN: 9783731502975 Year: Volume: 29 Pages: IX, 138 p. DOI: 10.5445/KSP/1000044095 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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A new immobilization method for the localized adsorption of proteins on thermoplastic surfaces is introduced. Artificial three-phase interfaces were realized by surface structuring to control the wetting behavior which lead to a preferred adsorption in these modified areas. Additionally, different fabrication methods were analyzed to determine mass fabrication capabilities. These fabrication methods also allowed the production of fully structured microchannels to tune the fluids behavior within.

Web-oriented Event Processing

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ISBN: 9783731502654 Year: Pages: XVI, 160 p. DOI: 10.5445/KSP/1000043122 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Business and Management
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How can the Web be made situation-aware? Event processing is a suitable technology for gaining the necessary real-time results. The Web, however, has many users and many application domains. Thus, we developed multi-schema friendly data models allowing the re-use and mix from diverse users and application domains. Furthermore, our methods describe protocols to exchange events on the Web, algorithms to execute the language and to calculate access rights.

Praxis der Digitalen Signalverarbeitung

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ISBN: 9783731506515 Year: Pages: XI, 306 p. DOI: 10.5445/KSP/1000067012 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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Abstract

The basics of digital signal processing are introduced with eight practical experiments. The experiments cover a wide range of different topics such as sensor fusion, vibration analysis, acoustics and image processing. The presented techniques aim at making the reader familiar with the practical application of modern methods of signal processing. The mastering of these helpful tools is often a requirement in daily professional life.

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