The nonlinear hot image effect of high-power broadband pulsed laser beam has been investigated theoretically and numerically.

通过理论分析与数值模拟方法，研究了高功率激光系统中非线性热像位置及光强随介质厚度的变化规律。

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The relationship between intensity of nonlinear hot image and dimensions of obscurations has been investigated theoretically and numerically.

通过理论分析与数值模拟方法，研究了高功率激光系统中非线性热像光强与模糊斑大小的关系。

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According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.

利用菲涅耳基尔霍夫衍射积分和非线性近轴波动方程，在远场近似及光学薄近似条件下，得出了位相调制产生“热像”出现的位置及强度满足的解析关系。

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Reforming the Indian Railways is a mammoth job but not, perhaps, what one might expect from the familiar image of hot, crammed cars, indolent staff and teeming metropolitan train stations.

FORBES: On the Right Track

Getting one of Europe's most high profile technology leaders to take on what has been a relatively low profile job should do wonders for the image of London as a hot place for hi-tech.

BBC: Tech City gets top boss

Phototypesetting could use a photographic image of fonts, rather than hot metal, to create the printing layout.

FORBES: Death by Sharks: The Familiarity Death Trap