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利用航天飞机在南海海面获取的内波的合成孔径雷达（ＳＡＲ）图像数据，计算并对比分析了不同波段海面的后向散射系数的差异。系统给出了ＳＡＲ图像到海浪二维谱的计算过程，改进了一些处理方法以适用于内波分布海面，并利用从ＳＡＲ图像获得的海浪谱，简要分析了内波与风成海浪的相互作用，探讨该区内波的激励因素。认为潮流是激励温跃层在该海区产生有规模内波的主要因素．
Using SAR image data of the internal waves acquired by the space shuttle in the South China Sea, the differences of the backscattering coefficients at different wave bands were calculated and compared. The calculation of two-dimensional spectrum from the SAR image to the ocean wave is given. Some processing methods are improved to apply to the inner waves and the wave spectra obtained from the SAR images are used to briefly analyze the interaction between the inner waves and the waves. , To explore the area of the wave of incentives. It is considered that the trend is the main factor that stimulates the thermocline to generate large-scale internal waves in this sea area.