Pulse modulation type three-dimensional image-forming method and system containing no scanning device
A technology of pulse modulation and three-dimensional imaging, which is applied in radio wave measurement systems, instruments, electromagnetic wave re-radiation, etc., can solve the problem of incompatibility between distance measurement accuracy and spatial resolution, two-dimensional images are not enough to fully express information, and spatial resolution Low efficiency and other problems, to achieve the effect of strong anti-background light interference, low stability requirements, and simple modulation
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[0014] Scannerless pulse-modulated three-dimensional imaging method: using a pulsed laser light source, the light pulse illuminates the target through the beam expander system and is received by the optical imaging system and imaged on the receiving surface of the controlled functional optical receiver group. The output optical signal of the optical receiver group, for the same scene, under the condition that the light pulse illumination of different intensities or the gain of the functional optical receiver is a function of different time variables, two or more intensity images are obtained. At the output end, a beam splitting device is used to split part of the light energy and measure it, and the measured value is used as the corrected light intensity value; the image processing module is used to analyze the light intensity value and the corrected light intensity value of each pixel in the collected image series Carry out calculation processing, calculate the distance of eac...
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