far infrared to mm-wave spectrum 远红外毫米波宽带连续谱
Plane wave spectrum 平面波谱 ; 平面波谱法
fm wave spectrum 调频波频谱
-d wave spectrum 二维谱分布
plan wave spectrum 平面波谱
spin wave spectrum 自旋波谱
wind wave spectrum [海洋] 风浪谱
Because of the time-variant reflectivity of ocean surface, The mapping of an ocean wave spectrum into a SAR image spectrum is a complicated nonlinear process, and movement of ships also degrade the quality of SAR image of the ships.
由于海面散射特性随时空变化，海浪谱到SAR数据是一个复杂的非线性变化过程；海面舰船的运动也会降低SAR海面舰船图像质量。
参考来源 - 合成孔径雷达海面成像若干问题研究The ways of wave spectrum estimation, cross-spectrum estimation, and wave directional spectrum estimation are discussed.
讨论了海浪谱估计方法,交叉谱估计方法和方向谱反演算法。
参考来源 - 海浪方向谱反演的仿真研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A wave spectrum analyzing program is also compiled with correlative function method.
并用相关函数法编制了一套海浪谱分析程序。
Wave spectrum of disturbance is analyzed in spherical barotropic atmosphere with basic flow.
本文对球面上有基流的正压大气小扰动进行了波谱分析。
The concept of wave spectrum is applied to the study on bottom shear stress under random wave action.
本文在随机波浪底部剪应力的研究中引入了波浪谱的概念。
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