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Pulsed laser spot software synchronization acquisition method

A technology of pulsed laser and synchronous capture, applied in photometry, optical radiation measurement, image data processing, etc., can solve the problems of easy interference in the working process, complex hardware structure, and limited flexibility, so as to achieve less interference, measurement Flexible and convenient, increase the effect of stability

Inactive Publication Date: 2005-11-23
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0005] The above method of hardware synchronization has a complex hardware structure and is susceptible to interference during the working process. The pump source of the pulse laser is a strong interference source, and its reliability is low. The flexibility of use is subject to many restrictions. It requires on-site placement of hardware circuits, wiring, etc.

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Embodiment Construction

[0029] The pulsed laser spot software synchronous capture method of the present invention is to utilize such as figure 1 The measurement system shown is composed of an area array CCD camera or an infrared camera 3 whose output is a standard video signal, an image acquisition card 2 and a main control computer 1 equipped with a capture software program, and is collected by an area array CCD camera or an infrared camera 3 Image data, by the capturing software program installed in the main control computer 1 that links to each other with image acquisition card 2, controls the image acquisition card 2 that is connected with area array CCD camera or infrared camera 3 by video cable, carries out pulsed laser spot. Acquisition, and realize the capture and analysis of fully software-synchronized pulsed laser spots in the global function executed by the callback. Guarantee that the system is always waiting or capturing the pulsed laser spot.

[0030] Concrete workflow of the present i...

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Abstract

The invention relates to a software synchronization acquisition method of impulse laser light spot, which adopts ridge CCD camera which can output standard video signal or infrared camera, image collection card and measuring system which is formed by main control computer with capture software program. It collects data by ridge CCD camera or infrared camera and controls image collection card which is connected with ridge CCD camera or infrared camera by video cable through capture software program which is connected with image collection card. It collects the light impulse laser spots and achieves totally software synchronization acquisition and analysis in executing function.

Description

technical field [0001] The invention belongs to the collection of laser spots, in particular to a method for synchronously capturing pulsed laser spots. Background technique [0002] The collection and analysis of laser spot has important practical significance in the field of laser application. The capture and collection of pulsed laser spots are not the same as continuous laser spot collection. The image data continuously collected and saved by the computer through the image acquisition card is valid data for continuous lasers. If the same method is used for pulsed lasers, the computer A large amount of invalid data will be saved, a serious waste of system resources, and the pulse laser spot will be missed due to lack of synchronization, resulting in data loss. At present, the capture and collection of pulsed laser spots are often realized through hardware synchronization. The specific methods are as follows: [0003] 1. Flash lamp synchronization method: the pulsed xeno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/40
Inventor 李文煜刘泽金姜宗福李强
Owner NAT UNIV OF DEFENSE TECH
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