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Antennas and Propagation Magazine, IEEE

Issue 2 • Date April 1992

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Displaying Results 1 - 6 of 6
  • Antenna research and development at Ericsson

    Publication Year: 1992 , Page(s): 7 - 17
    Cited by:  Papers (2)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1716 KB)  

    The overview covers different types of microwave antennas, such as twist-Cassegrain antennas, shaped-reflector antennas, microstrip antennas, dichroic surfaces, slotted-waveguide-array antennas, omnidirectional antennas, and electronically steered-array antennas. Measurement methods, such as near-field and diagnostic techniques, are discussed. The applications are for radar and microwave communica... View full abstract»

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  • Recent activities in antennas and propagation in Japan

    Publication Year: 1992 , Page(s): 18 - 26
    Cited by:  Papers (1)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1199 KB)  

    Activities since August 1989 are covered. Included are antennas for mobile communication, multibeam earth station antennas, satellite-borne antennas for communication, and for earth remote sensing, direct broadcast satellite antennas, and propagation studies for land mobile radio, mobile satellite systems, fixed satellite systems, and terrestrial propagation.<> View full abstract»

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  • The impact of mobile radio communications

    Publication Year: 1992 , Page(s): 27 - 29
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (237 KB)  

    Future industry trends are discussed, using an analogy between the present and the industrial revolution. The scale of the industry is examined. Small conformal antennas are seen as key devices, since many antennas will come into use, and conventional antennas would spoil the beauty of the urban environment.<> View full abstract»

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  • Alessandro Volta and his battery

    Publication Year: 1992 , Page(s): 30 - 37
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (788 KB)  

    An overview of political and scientific events that occurred between 1750 and 1830, the times of Alessandro Volta's life, is presented. The various stages of Volta's scientific and scholarly career are described. The process that led Volta to the invention of the battery is discussed.<> View full abstract»

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  • A small microwave total-power radiometer

    Publication Year: 1992 , Page(s): 53 - 54
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (248 KB)  

    A project that could be quite useful in the classroom or instructional laboratory is described. This radio telescope was built to provide a convenient method of demonstrating that the human body emits microwaves. The telescope also indicates that there is similar microwave emission from the Sun, the ground, and any fluorescent lights that happen to be within adequate proximity. The telescope was b... View full abstract»

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  • Comments ''Rapid evaluation of integer-order Bessel functions using an FFT algorithm'' (and reply)

    Publication Year: 1992 , Page(s): 65 - 66
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (153 KB)  

    The commenter disagrees with a statement by J. Nachamkin and D.C. Hoffman (see ibid., vol.33, no.6, p.33-5, Dec. 1991) that complicated procedures are needed to find the initial terms in the recursion relation when backward-recursion techniques are used, and points out that the initial terms required to start backward recursion need not be calculated at J. Nachamkin agrees that in many cases using... View full abstract»

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The IEEE Antennas and Propagation Magazine actively solicits feature articles that describe engineering activities taking place in industry, government, and universities

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Mahta Moghaddam