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IEEE Potentials

Issue 1 • Date Feb.-March 1998

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Displaying Results 1 - 9 of 9
  • An American EE in St. Petersburg

    Publication Year: 1998, Page(s):37 - 39
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (597 KB)

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  • High frequency design and EMR

    Publication Year: 1998, Page(s):13 - 16
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1536 KB)

    Nuclear magnetic resonance (NMR) is a form of radio frequency (RF) spectroscopy. Its current popularity in applications, such as analytical chemistry and biomedical imaging was made possible by advances in RF design. Those advances permitted modern pulsed excitation and data acquisition in the microsecond time domain. Electron magnetic resonance (EMR) is equally powerful. But, its timescale for th... View full abstract»

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  • Copper

    Publication Year: 1998, Page(s):19 - 22
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    Copper, with its electrical, mechanical, elastic and thermal properties, has been and still is an important metallic material. Its history, properties, hot working, cold working, fire refining, electrorefining, and the reasons for the widespread industrial use of this metal are discussed View full abstract»

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  • Spatial representation and retrieval. Getting an edge on what it takes to find matching pairs in 3D

    Publication Year: 1998, Page(s):34 - 36
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1092 KB)

    Discusses two functions for retrieving 3D images from large collections. One proposed representation is referred to as the 3D spatial orientation graph (SOG). SOG is a fully-connected, undirected, weighted graph. The time complexity of this SOG-based spatial similarity (SIM3D) algorithm is Θ(|Eq|+|Ed|), where |Eq| and |Ed| are the number... View full abstract»

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  • Train control. Automating the world's railways for safety

    Publication Year: 1998, Page(s):8 - 12
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1484 KB)

    Many railways have switched from manual operations with signals to automatic operations with inherent improvements and safety provisions. This paper describes how technologies such as radio-based train control promise to make these operational and safety improvements more cost-effective View full abstract»

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  • Designing an autonomous robot vehicle

    Publication Year: 1998, Page(s):40 - 43
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1416 KB)

    In the fall of 1996, at Texas Tech University, a class of 32 EE students was asked to build a mobile robot vehicle. It would, under Region 3 Student Conference robotics competition guidelines: 1) complete three laps around a wooden track, and 2) at the beginning of each lap, drop a coin in a toll slot in an order specified to the vehicle at the starting line. A vehicle was built on a modified radi... View full abstract»

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  • High temp superconductor RF devices

    Publication Year: 1998, Page(s):17 - 18
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    Recently, considerable interest has been expressed for superconducting radio frequency (RF) devices for commercial and government applications. One very interesting example is the application of superconducting RF filters for cellular base stations. The reason is quite clear: RF filters based on superconductor materials are fundamentally more efficient than normal-metal filters. They allow a syste... View full abstract»

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  • Speech recognition

    Publication Year: 1998, Page(s):23 - 28
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2776 KB)

    The authors have designed, successfully trained and tested an Arabic speech recognition system. This system was implemented using C++ programming language on Windows 95. It can be partitioned into five main modules. These modules are the front-end, feature extraction, training, pattern recognition and decision making and display. The front-end module functions as signal preparation and calibration... View full abstract»

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  • Image and video compression

    Publication Year: 1998, Page(s):29 - 33
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1240 KB)

    The authors discuss the underlying principles of image and video compression. The network model they use for image compression is the random neural network (RNN). This pulsed network model provides a somewhat more accurate representation of what occurs in “real” neurons. Signals in the form of pulse trains travel between neurons. These pulses can be either excitatory (we call these &ld... View full abstract»

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IEEE Potentials is the magazine dedicated to undergraduate and graduate students and young professionals.

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Editor-in-Chief
Sachin Seth
Texas Instruments
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