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电弧等离子体在其燃烧过程中,电、热过程和化学反应过程的变化十分迅速,因而给测试带来了困难,本文以电弧动态过程可测性的数理统计分析为基础,提出了一种用于实时诊断动态弧的测试方法。并研制了由微机测控的光电光谱测试装置。用这一技术,实现了对混合气体电弧等离子体和复杂成分的焊接电弧的温度、各种粒子数密度、压力等多种物理参量的实时诊断。对测得结果的分析表明,本文的工作具有高速、定
In the course of the combustion process, arc plasma changes rapidly in electric, thermal and chemical reaction processes, which brings difficulties to the test. Based on the mathematical statistic analysis of the testability of arc dynamic process, Real-time diagnostic dynamic arc test method. And developed by the computer control of the photoelectric spectrum test device. With this technique, real-time diagnosis of a variety of physical parameters such as the temperature of the welding arc of the mixed gas arc plasma and the complex components, various particle densities and pressures, and the like are realized. The analysis of measured results shows that the work of this paper has high speed and fixed