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Recent content by Leevi

  1. Leevi

    Measuring with radio waves?

    Comcokid: Can you link me to any page that would tell more about those laser distance measurement devices. I am giving up on RF, but it seems rational that with white light these measurements should work. One of the problems is that windshields are made from different colours, but since at least...
  2. Leevi

    Measuring with radio waves?

    I'm still looking for an answer on the original question, can distance from glass be measured with RF? Or is it just a waste of time?
  3. Leevi

    Measuring with radio waves?

    That is not possible due to the mold that the glass is bended with, depth is measured about 15 cm from the side edges and from the middle. Straight line from upper edge to lower edge and that difference from glass surface. For example think the shape as a bow, string horizontally (straight...
  4. Leevi

    Measuring with radio waves?

    I would only need to measure the depth of the glass, when measured the glass would be facing down (outside down), inside up. And I would only need to know the depth of the glass from bottom edge to upper edge on a very narrow "shred". The lateral resolution doesn't matter, but all the...
  5. Leevi

    Measuring with radio waves?

    The machine should be able to measure depth of a car windshield that is facing down and moving. It is a bit hard to descripe the process. Windshield is bended to all three dimensions and the depth of (z-axis) is important for the optics. Measurement should be taken from bottom to the top of...
  6. Leevi

    Measuring with radio waves?

    There has previous attempts to measure the surface with laser and they have failed. Objects that are being measured are 2 square meters in size, and the measuring distance would be about 0,5 meters. I'm not sure if the white light measuring has ever been tested, I'll start finding out if that...
  7. Leevi

    Measuring with radio waves?

    This case is a bit more harder, curved object I'm trying to measure is glass. Thus no light can be used. I've should have said so earlier.
  8. Leevi

    Measuring with radio waves?

    Thank you! I got frustraded poking around the web and finding nothing. Again thanks for the help.
  9. Leevi

    Measuring with radio waves?

    I'm thinking about building a device that could measure distance from a curved object. To be more specific the object would move under the device and the device should measure the "shape" of the object. I'm looking for tolerance of +- 1mm. Is this possible? Can this be done with some sonic...
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