用数值计算方法计算了不同强激光脉冲宽度下高次谐波的产生.
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The receiving of FIR laser radiation by high-order harmonic submillimeter mixing
亚毫米波高次谐波混频检测远红外激光
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because dot size directly with order harmonic tones, dot will make the image darker.
因为网不背巨细间接与阶和解色调有关, 所以网不背增不小会使合座图像变得更黑一些.
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