3 results about "Line pair" patented technology

The utility model relates to the technical field of communication cable especially is related to an isolated cross skeleton of anti -bunching line pair overturning, its including a plurality of isolation sheets, a plurality of one side side of isolation sheet meets at the same place, and a plurality of isolation sheets meet and form the skeleton, and the isolation sheet between two adjacent isolation sheets is the pay -off area, the other side of isolation sheet is provided with the baffle, and the surface of the side of baffle away from pay -off area is provided with the tab. The utility model has the effect that the relative rotation and overturning between cross skeleton and sleeve pipe are not easy to happen.

The application discloses a kind of analytical force test method, equipment and computer readable storage medium, the method includes collecting the line pair image obtained by the camera module to be measured to test mark plate shooting, wherein test mark plate contains at least one mark plate unit, at least one line pair is provided on each mark plate unit;Line pair image is preprocessed, to locate and extract the imaging feature area of all corresponding mark plate units in line pair image;Each line pair in imaging feature area is independently polynomial fitted respectively, and the brightness-pixel position fitting function corresponding to each line pair is obtained;According to the brightness-pixel position fitting function corresponding to each line pair, the brightness peak value and brightness trough value of line pair are extracted, and the analytical force numerical value corresponding to each line pair is calculated.The analytical force test method of the application can realize multi-direction analytical force test and accurate evaluation of detail clarity, which helps to improve line pair detection precision.

The application discloses a target, an angular resolution detection method, a device, equipment and a detection system. The target comprises a substrate, a surface of the substrate is provided with an angular resolution test pattern comprising a mark pattern and a plurality of standard line pair groups, each standard line pair group comprises at least one standard line pair in an arrangement direction, and the center of the mark pattern corresponds to a target detection position of the camera device when the target and the camera device are centered and adjusted. In this way, when the angular resolution is detected, the pixel position of the target detection position in the image can be known by identifying the mark pattern in the target image, so that the line pair image containing only each standard line pair can be accurately extracted based on the pixel position after each standard line pair is moved to the target detection position, and the angular resolution at the target detection position can be determined based on the definition of each line pair image, which is beneficial to realize automatic detection and improve the efficiency and accuracy of the angular resolution detection.