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建立了电视、模拟电子处理和激光散斑干涉相结合的散斑干涉的电视处理系统,足以测量1/2激光波长的位移,并能立即给出位移和振型分布的面形图。
A television processing system that combines speckle interference with television, analogue electronic processing and laser speckle interference is sufficient to measure the 1/2 wavelength of laser displacement and provide a surface profile of displacement and mode shapes immediately.