Imperial College of Science, Technology and Medicine

University of Bristol

Micrima Limited

Ralph Benjamin

Ian James Craddock

Maciej Bartlomiej Klemm

Jack Albert Leendertz

Ian Craddock

Alan William Preece

Frederick John 9 Sprats Barn Crescent Wilson

Rajagopal Dept Of Electronics&Comp Nilavalan

A method of measuring the contents of a search volume. The method includes: energizing one or more transmitters so as to transmit electromagnetic wave energy into the search volume; detecting the effect of the search volume on the passage of the electromagnetic wave energy by recording two or more signals, each signal being associated with a different propagation path (typically either a monostatic or bistatic path) within the search volume; aligning the signals in order to generate two or more aligned signals which are synthetically focused on a desired voxel in the search volume, each aligned signal being associated with a different propagation path (typically either a monostatic or bistatic path) within the search volume; calculating a quality factor by processing the aligned signals to generate two or more data values, and processing the data values to generate a quality factor, the quality factor being indicative of a degree of coherence in the aligned signals; summing the aligned signals to generate a summed signal; and processing the summed signal to generate an output which is indicative of the internal structure of the search volume at the location of the desired voxel, the output varying in accordance with the quality factor.

Methods and apparatus for measuring the contents of a search volume

Screening apparatus and method

An apparatus is provided in which a phased transmitting array (21) is arranged to irradiate a selected voxel within a search volume. Energy reflected from the voxel is received by a further antenna and the signals received from a plurality of voxels are analysed to search for reflectors or discontinuities within the search space.

Apparatus for and method of detecting a reflector within a medium

An apparatus is provided in which individual transmit elements (18) of a transmit array are actuated in turn in order to interrogate a search volume Signals reflected from the volume are received by one or more reception elements (20) of a receive array and are recorded. The propagation parts to a selected cell are calculated and appropriate phase and or time shifts are inserted into the recorded data to simulate, post reception, the shifts that would have occurred if either or both of the transmit and receive arrays had been focused on the cell using phased array beam steering techniques.

Post-reception focusing in remote detection systems

Method and apparatus for generating images

Growing community of inventors

Bristol, United Kingdom

Ralph Benjamin