11,867 research outputs found

    A thirty-six element array antenna system

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    Thirty-six element square array, with mutual coupling between crossed slots for array elements, is used as an electronically scanned tracking antenna. The system does not require the movement of the antenna or the presence of an operator

    Evaluation of data obtained from a 35 GHz propagation experiment Technical report no. 7

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    Effect of atmospheric humidity, pressure, and temperature on electromagnetic wave propagatio

    Improved VHF direction finding system

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    Direction finding device operating at very high frequencies requires a loop antenna, mechanical rotation, and large structures. The system is applicable to an unmanned configuration. Direction information is extracted in the form of a direction cosine analog

    Analysis and optimization of an omnidirectional direction-finding system

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    System determines the direction of arrival of an electromagnetic wave with the direction information in a readily usable form. It presents a relatively small physical structure and does not require mechanical positioning

    A study of antenna and radio frequency tracking system Final summary report, 1 Feb. 1963 - 30 Nov. 1965

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    Phase stability of very low frequency radio signal propagation, electronically scanned tracking antenna array, and inverted rf tracking syste

    Investigation of the kinetics of crystallization of molten binary and ternary oxide systems Quarterly status report, 1 Mar. - 30 Nov. 1968

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    Glass composition preparation and research on crystallization kinetics of molten binary and ternary oxide systems of glas

    Investigation of the kinetics of crystallization of molten binary and ternary oxide systems Quarterly status report, 1 Dec. 1967 - 29 Feb. 1968

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    Reaction kinetics of crystallized molten binary and ternary oxide glass making composition

    The Sins of the Father: Excising Malignant Bias From Artificial Intelligence

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