The experiment measured the fine spectrum structure of 2 doubling harmonic at near normal direction of target and reflection direction of laser wave, employing OMA optical multi-channel spectrometer.
利用OMA光学多道分析谱仪，分别在激光镜反方向和接近靶面法线方向测量了2倍频谐波的精细结构。
The mathematical model takes spectrum value and wave direction as variables and is solved in real domain, it is suited for wave computation of large sea area.
该模型以组成波的谱值及波向为变量，在实数域内求解，适合大面积海区波场计算。
Using Bretschneider spectrum as incident wave spectrum, the grouping coefficients of square caissons are obtained for various incident wave direction and caisson spacing.
研究了在不同入射波向时每个方墩的群墩影响系数随墩距变化的规律并与折算圆墩的结果进行了比较。
The classical analysis technique for ocean wave length and direction is the spectrum analysis.
传统的波浪波长和方向分析技术是谱分析。
The classical analysis technique for ocean wave length and direction is the spectrum analysis.
传统的波浪波长和方向分析技术是谱分析。
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