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Radio and Electronic Engineer

Issue 3 • Date March 1979

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Displaying Results 1 - 11 of 11
  • News and commentary

    Publication Year: 1979, Page(s):111 - 112
    IEEE is not the copyright holder of this material | PDF file iconPDF (297 KB)
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  • Academics or entrepreneurs?

    Publication Year: 1979
    IEEE is not the copyright holder of this material | PDF file iconPDF (149 KB)
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  • Representation for professional engineers

    Publication Year: 1979
    IEEE is not the copyright holder of this material | PDF file iconPDF (149 KB)
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  • News from industry

    Publication Year: 1979, Page(s):117 - 118
    IEEE is not the copyright holder of this material | PDF file iconPDF (363 KB)
    Freely Available from IEEE
  • The relevance of science to engineering-A reappraisal

    Publication Year: 1979, Page(s):119 - 124
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1203 KB)

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  • Experimental investigation of line-of-sight propagation at 13.5ߝ15.0 GHz

    Publication Year: 1979, Page(s):127 - 140
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1344 KB)

    A 13.57ߝ15.0 GHz sweep measurement equipment designed to measure amplitude, differential phase, and differential gain of a propagation path is briefly described, and the qualities of the data are discussed. Statistics of fadings and intermodulation noise in the frequency band of 13.6 to 14.9 GHz from a 45 km l.o.s propagation path in Denmark are presented. The statistics cover the period Jul... View full abstract»

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  • A 1.1 to 2.4 GHz transistor amplifier with low noise figure and good power match

    Publication Year: 1979, Page(s):141 - 144
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (453 KB)

    A potentially low cost amplifier module has been made using transistor chips with thin film, beam lead or chip components in a hybrid microwave integrated circuit. The design of this amplifier demonstrates a technique which has been devised to obtain input power match with minimum noise figure. This uses feedback to achieve the power match whilst maintaining, at the transistor input terminals, the... View full abstract»

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  • Time-slot access to digital transmission systems

    Publication Year: 1979, Page(s):145 - 150
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (571 KB)

    The British Post Office is introducing digital transmission equipment into its telecommunications network. The opportunity arises to take advantage of plant to be installed for telephony purposes to act as bearer plant for non-speech services, e.g. digital data. The per-voice channel capacity of a digital system is known as a channel time-slot and this paper describes how access might be gained to... View full abstract»

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  • Letters: Television signal-to-noise ratio before and after demodulation

    Publication Year: 1979, Page(s):150 - 151
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  • The use of digital techniques to improve modulation-type sectorscanning sonar systems

    Publication Year: 1979, Page(s):152 - 156
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (547 KB)

    The methods by which the local oscillator signals for use in a modulation-type sector-scanning sonar system may be produced are briefly reviewed. To achieve good performance in practice, it is often necessary to incorporate many adjustments in the system. An alternative system employing mainly digital techniques is considered, the analysis of which reveals the potential for improvements in perform... View full abstract»

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  • Pulse-forming networks using generalized Laguerre polynomials

    Publication Year: 1979, Page(s):157 - 164
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (893 KB)

    A new class of all-pole transfer functions for pulse-forming networks based on the use of generalized Laguerre polynomials is introduced. It is shown that the two variable parameters, which are available with the generalized Laguerre polynomials, can always be adjusted so as to obtain an impulse response with any prescribed attenuation of transient overshoots. These filters, which may be referred ... View full abstract»

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