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Millimeter-wave imaging system

  • US 5,047,783 A
  • Filed: 03/19/1990
  • Issued: 09/10/1991
  • Est. Priority Date: 11/06/1987
  • Status: Expired due to Term
First Claim
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1. A millimeter-wave imaging system, comprising:

  • an array of detector elements, each element generating a signal responsive to detected millimeter wave radiation, said elements being spaced apart a distance Δ

    X;

    means for imaging millimeter-wave radiation from a field of view onto said array;

    means mounted in the path of radiation from the imaging means to the array of detector elements for redirecting radiation incident thereon so as to shift the point at which such radiation is incident on the detector array in a first direction a distance that is less than Δ

    X;

    means for rotating the redirecting means in the path of radiation so as to rotate the first direction in which the radiation is shifted; and

    means for forming an image from the signals generated by the detector elements that is responsive to radiation received from the field of view wherein each pixel of the image is responsive to radiation detected by a particular element of the array from the portion of its field of view corresponding to a particular angle of orientation of said redirecting means.

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