A new method for the diagnostics of the welding arc temperature fields is studied on the basis of Plasma physics, laser speckle photography.
根据散斑照相和电弧等离子体物理学原理，研究了诊断氩气焊弧温度场的新方法。
For the typical physics states of the laser plasma, it is difficult to obtain the plasma parameters directly. Spectroscopic diagnostics play an important role in the field of plasma diagnostics.
激光等离子体所特有的极端物理环境使我们很难用直接的手段获取等离子体状态参数，长期以来，光谱诊断在激光等离子体诊断领域发挥着重要作用。
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