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Spectrum, IEEE

Issue 3 • Date March 1989

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Displaying Results 1 - 6 of 6
  • Star Wars in transition

    Publication Year: 1989 , Page(s): 32 - 38
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (913 KB)  

    The present status and possible future course of the Strategic Defense Initiative are described. The present proposal, which calls for four types of space-borne and ground-based sensors to track hostile missiles and their warheads throughout their half-hour trajectory, is discussed. Also examined are the boost-phase system for space-based interception, survivability of the entire system, distingui... View full abstract»

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  • Hologram lenses lead to compact scanners

    Publication Year: 1989 , Page(s): 39 - 43
    Cited by:  Patents (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (591 KB)  

    The development of compact, low-height bar code readers for European supermarkets, where clerks sit at checkstands arranged much like office desks, is described. The technology used to meet all the requirements for this application is described. The resulting reader features advanced hologram lenses, for less-expensive optics and greater efficiency.<> View full abstract»

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  • Homegrown technology for Japan's heavy-fit launcher

    Publication Year: 1989 , Page(s): 51 - 55
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1283 KB)  

    A description is given of the H-II rocket now being designed and developed in Japan, which will join the US Titan and the European Ariane in launching 2-ton satellites into geostationary orbit. To maximize reliability, emphasize safety, and reduce costs, the H-II rocket is designed to be a simple system, one that profits from existing technology and experience. The H-II is designed to have an over... View full abstract»

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  • Making and baking those old-time components

    Publication Year: 1989 , Page(s): 56 - 58
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (656 KB)  

    Manufacturing in the heyday of discrete components is described, drawing on conversation with veteran engineers about the particular components with which they worked. Electron tubes, capacitors, resistors, and relays are discussed. It emerges that the ingredients and recipes for manufacturing discrete components have changed surprisingly little over the years.<> View full abstract»

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  • Energizing China: first itself, next the world

    Publication Year: 1989 , Page(s): 59 - 63
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (578 KB)  

    In the past eight years, China has begun to update its power industry, not only to satisfy its own great needs, but also with an eye to becoming a supplier to the rest of the developing world. A description is given of China's power system, which, in terms of generating capacity, is now the fourth largest in the world (behind the US, the Soviet Union, and Japan), and of China's plans for further d... View full abstract»

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  • Kwajalein's new role: radars for SDI

    Publication Year: 1989 , Page(s): 64 - 69
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1202 KB)  

    The use of the remote Kwajalein atoll as a site for testing of missiles and antiballistic-missile systems is discussed. Major technical renovations of the atoll in preparation for a battery of Strategic Defense Initiative (SDI) tests and flights of new missiles are described. Ongoing or planned upgrades include: a complete renovation of the launch pad; a 10 GHz phased-array radar capable of focusi... View full abstract»

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