Linear dynamic calibration device
A dynamic calibration, linear motion technology, applied in the directions of measurement devices, instruments, surveying and navigation, etc., can solve the problems of unstable movement speed, the movement speed of the air-floating table cannot meet the dynamic calibration requirements of high-speed photogrammetry systems, and structural assembly difficulties.
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[0038] Such as figure 1 As shown, the linear dynamic calibration device disclosed in this embodiment is used to solve the current digital photogrammetric system related dynamic parameters and other comprehensive parameters of the value traceability and measurement calibration problems. The linear dynamic calibration device disclosed in this embodiment is divided into two parts, one is a mechanical structure, and the other is a calibration module. The mechanical structure is the hardware foundation of the present invention. It consists of four parts, namely the marble base 1, the linear motion guide 2, the air-floating sliding table 4 components, the linear motor and the control system. The respective parts are installed on the four parts. . The calibration module uses a digital photogrammetry system to take pictures of a photographic target set on the air-bearing slide 4, the target position standard quantity is obtained through pre-calibration, and the length standard quantity...
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