HOLOGRAPHIC ARRAYS FOR THREAT DETECTION AND HUMAN FEATURE REMOVAL

摘要

A method and apparatus to remove human features utilizing at least one transmitter transmitting a signal between 200 MHz and 1 THz, the signal havi ng at least one characteristic of elliptical polarization, and at least one receiver receiving the reflection of the signal from the transmitter. A plurality of such receivers and transmitters are arranged together in an array which is in turn mounted to a scanner, allowing the array to be passed adjacent to the surface of the item being imaged while the transmitter is transmitting electromagnetic radiation. The array is passed adjacent to the surface of the item, such as a human being, that is being imaged. The portio ns of the received signals wherein the polarity of the characteristic has been reverse d and those portions of the received signal wherein the polarity of the characteristic h as not been reversed are identified. An image of the item from those portions of the received signal wherein the polarity of the characteristic was not reversed is then created.