Pulsed laser spot software synchronization acquisition method

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

Inactive Publication Date: 2008-02-06
NAT UNIV OF DEFENSE TECH
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  • Claims
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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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  • Pulsed laser spot software synchronization acquisition method

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Embodiment Construction

[0042] The pulse laser spot software synchronous capture method of the present invention uses an area array CCD camera or infrared camera 3, an image capture card 2 and a main control computer installed with a capture software program as shown in Fig. 1 whose output is a standard video signal 1. The measurement system is composed of an area array CCD camera or an infrared camera. 3. The image data is collected by an area array CCD camera or an infrared camera. 3. The capture software program installed in the main control computer 1 connected to the image acquisition card 2 controls the connection with the area array CCD camera or The image capture card 2 connected to the infrared camera 3 collects the pulsed laser spot, and realizes the capture and analysis of the complete software synchronous pulsed laser spot in the global function of callback execution. Ensure that the system is always waiting or capturing the pulsed laser spot.

[0043] The specific work flow of the present in...

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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, and in particular relates to a method for synchronously capturing pulsed laser spots. Background technique [0002] The collection and analysis of laser spots have important practical significance in the field of laser applications. The capture and collection of the pulsed laser spot is different from the continuous laser spot collection. The image data collected and saved by the computer through the image acquisition card are all valid data for the continuous laser. If the same method is used for the pulsed laser, the computer A large amount of invalid data will be saved, a serious waste of system resources, and the lack of synchronization will lead to missed acquisition of pulsed laser spots, resulting in data loss. At present, the capture and collection of pulsed laser spots are often achieved through hardware synchronization. The specific methods are as follows: [0003] 1. Flash synchronization me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/40G06T1/00G01J1/00
Inventor 李文煜刘泽金姜宗福李强
Owner NAT UNIV OF DEFENSE TECH
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