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  • Articles  (151)
  • Articles: DFG German National Licenses  (151)
  • 2000-2004  (151)
  • 2003  (151)
  • Electrical Engineering, Measurement and Control Technology  (151)
  • 1
    Electronic Resource
    Electronic Resource
    Developments in thermal imaging technology (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 15-19 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: The ability to see in the dark is a key differentiator in many military scenarios and the development of thermal imaging (TI) systems has provided the military with a battle winning capability. One of the current key thrusts is to be able to detect and identify targets at significantly longer ranges. The research programme in QinetiQ has been providing solutions to satisfy these requirements for many years. In addition, one of the major benefits from this research, has been the opportunity to provide TI sensors into the civil market for application including fire fighting. In this review many of the new concepts currently being developed are described and illustrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457866
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Monitoring plasma jets containing micro particles with chromatic techniques (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 60-65 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: A description about the use of the chromatic methodology for monitoring an arc plasma jet utilised for heating micro particles for forming plasma sprayed coatings is given. It is shown that the behaviour of both the plasma and heated micro particles are distinguishable from their different coordinates on an H-S polar map. Calibration with a standard ribbon lamp would appear feasible for tracking the temperature of the plasma heated micro particles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310698030
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  • 3
    Electronic Resource
    Electronic Resource
    The contribution of thermoreflectance to high resolution thermal mapping (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 35-39 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Thermal phenomena that occur in operating integrated circuits can disturb their functioning and even cause failures. In order to prevent such dramatic issues, it is necessary to study these phenomena by developing high-resolution thermal mapping of electronic devices. This can be done by using the thermoreflectance technique. The principle of thermoreflectance measurements is reviewed and various experimental setups are described. Experimental results show that this technique allows the mapping of both low and high frequency thermal phenomena at submicron scales.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457929
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    An entropy-switched adaptive smoothing approach for time series data (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 40-43 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: This paper describes a method of removing noise from time series data records whilst preserving salient features of short duration, such as sharp transitions and significant peaks. A practical example is drawn from fault-current testing of circuit breakers, for which the scheme was originally designed. It is demonstrated that the clarity of signal traces can be improved while preserving important transient features. However, the approach is generic and based upon the entropy gradient detection method used in image processing. Local entropy is used as a criterion for selecting the degree of smoothing required, so that features of interest can be preserved. Algorithm modularity allows ready adaptation for specific needs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457938
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  • 5
    Electronic Resource
    Electronic Resource
    Radar is set to revolutionise road safety (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 109-115 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Solutions for using radar to alert drivers to obstacles in their path and possible collision already exist but they are too expensive. In most cases, only the more luxury models on the market offer the option of an adaptive cruise control system that uses radar. But the potential market and road safety benefits are massive. And much work is in progress to lower the cost of radar. This the reviews paper current state-of-the-art in radar technology and highlights two notable developments for cutting the cost.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310468206
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Wireless - introducing wireless proximity switches (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 116-122 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Sensors and actuators are found in large numbers on every production line in every industry. And each and every one of them requires data and power cabling. Not only are these cables costly to install, they are also a frequent source of failure. ABB is introducing a novel wireless proximity switch that incorporates a communication module for the power supply, signal transmission and man-machine communication, and so has no need for cables.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310468215
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  • 7
    Electronic Resource
    Electronic Resource
    Remote gas detection using ambient thermal infrared (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 26-29 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Describes a passive, open-path infrared gas detector that utilises thermal background radiation as the source. Explains its mode of operation, provides a specification and considers its route to market.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457893
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  • 8
    Electronic Resource
    Electronic Resource
    Fibre Bragg sensors used to measure gas temperature in an airship (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 30-32 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Describes the use of a distributed optical temperature sensor, based on fibre Bragg grating technology, to monitor the temperature distribution of helium within a prototype airship.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457901
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  • 9
    Electronic Resource
    Electronic Resource
    Non-contacting optical sensors for real-time water quality monitoring (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 24-25 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Describes the development of low cost optical sensor systems for water quality monitoring developed under the "LOADMON" EU research programme. It uses two laser diodes as the sources: one emits blue light at 405?nm and the other red light at 670?nm. The former excites fluorescence of organic materials present in the sample and the red light creates a scatter signal from the suspended particles. The system uses a rotating mirror which allows the light spots to be swept across the sample's surface under computer control until they are below the detector.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457884
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  • 10
    Electronic Resource
    Electronic Resource
    US company develops high sensitivity gas detector based on novel laser technology (2003)
    Bradford : Emerald
    Sensor review 23 (2003), S. 33-34 
    Details
    ISSN: 0260-2288
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Describes a unique optical source, the quantum cascade laser (QCL) and its application to gas detection. The instruments can detect both nitric oxide and carbon monoxide at concentrations down to 10?ppb?m at atmospheric temperature and pressure with a 1?m absorption path-length. A QCL operating at 5.8?µm can be used during airborne surveys of atmospheric formaldehyde, a key intermediate in the oxidation of methane and other hydrocarbons which contribute to the formation of ozone precursors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02602280310457910
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