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Radio and Electronic Engineer

Issue 5 • Date November 1970

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Displaying Results 1 - 8 of 8
  • Profile of a profession

    Publication Year: 1970
    IEEE is not the copyright holder of this material | PDF file iconPDF (132 KB)
    Freely Available from IEEE
  • Problems in bathymetric surveying presented by modern trends in shipbuilding

    Publication Year: 1970, Page(s):219 - 224
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1055 KB)

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  • Designing for automatic testing: The concept and general approach

    Publication Year: 1970, Page(s):225 - 232
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1043 KB)

    This paper deals with conceptual aspects of design which influence, and are influenced by, decisions to use automatic testing techniques in the factory and/or in the field. The early phasing of the influencing process is emphasized, and the importance of `design-for-autotest¿ as a design parameter is discussed in relation to other parameters, and the case is made for its co-ordination into the va... View full abstract»

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  • A laser machining system for making integrated circuit masks

    Publication Year: 1970, Page(s):233 - 240
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1339 KB)

    An automatically controlled laser machining system for cutting integrated circuit masks in thin films deposited as fused silica substrates is described. A high-pressure helium-neon pulsed laser is used for cutting precision edges and a continuously operated carbon-dioxide laser is used for fast machining of larger areas in the mask. Details of the machining speeds and edge precisions obtained with... View full abstract»

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  • The planning and commissioning of a communications satellite earth station and its integration with existing telecommunications systems

    Publication Year: 1970, Page(s):241 - 254
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1811 KB)

    The growth of the INTELSAT system of satellite communications is recalled and the considerations for on-site planning are discussed in the context of the construction of the earth station at Bahrain, Arabian Gulf in 1969. The relationship of other wideband systems in the Gulf is described, along with the resultant growth of traffic in an area where the demand had been suppressed due to the limitat... View full abstract»

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  • A simple data recording system with computer analysis

    Publication Year: 1970, Page(s):255 - 258
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (421 KB)

    This system uses a new technique of f.m. recording to record accurately a small number of slowly varying parameters, and speech, on one track of a cheap commercial tape recorder. The record can readily be played back into a computer through a simple interface unit. The paper also describes transducers for converting pressure and temperature into frequency. View full abstract»

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  • Plastic film capacitors

    Publication Year: 1970, Page(s):259 - 264
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1363 KB)

    A review of the various materials used in plastic film capacitors shows the advantages of polystyrene, polyethylene terephthalate and polycarbonate. The technique of construction of foil and film and of metallized types is described and the limitation of various electrical parameters pointed out. Life and reliability factors are explained as well as the mechanism of failure for both a.c. and d.c. ... View full abstract»

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  • Monte-carlo simulation of an active sonar

    Publication Year: 1970, Page(s):265 - 271
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (819 KB)

    This paper describes the analysis of a non-linear sonar processing system by simple Monte-Carlo methods. The target detection capability with isotropic background noise and spatially coherent reverberation is found with attention being paid to the effects of frequency filters in the input channels from the transducers. The resolution and detection of multiple and diffuse targets is assessed under ... View full abstract»

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