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首页> 外文会议>Asian conference on remote sensingACRS >SIMUALTION OF SAR IMAGE CHARACTERISTIC ANALYSIS IN DAM WATERSHED
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SIMUALTION OF SAR IMAGE CHARACTERISTIC ANALYSIS IN DAM WATERSHED

机译：水坝流域SAR图像特征分析模拟

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摘要

A SAR(Synthetic Aperture Radar) is an active sensor to observe the earth regardless of weather, day or night and its data can be utilized in the area of hydrology, agriculture, ocean, soil and so on using backscattering characteristics from surface. The SAR image is orthorectified from raw data generated SAR parameter of PRF(Pulse Repetition Frequency), platform altitude, operational frequency, chirp badnwidth etc. SAR image quality can be analyzed by IRF(Impulse Response Function). In the IRF simulated SAR parameter, however, IRF is not considered to observation environment. For analyzing the characteristics of SAR image, observation environment have to be applied to IRF. In water management, particularly, it is important to realize the characteristics of water area for preparing disaster of flood, drought etc in water management. Before occurring the event, the characteristics of observation area have to be investigated in water area. In this paper, raw data is generated by SAR parameter and the IRF of SAR image is implemented RDA(Range-Doppler Algorithm). The real environment of dam watershed is extracted to SAR image, the IRF is applied in the real environment of dam watershed. The correctness of characteristics analysis is improved by zooming and interpolation method and its characteristics is analyzed.
机译：SAR（合成孔径雷达）是一种活跃的传感器，以观察到地球，无论天气如何，日常生活，数据都可以在水文，农业，海洋，土壤等地区使用从表面的反向散射特性。 SAR图像从PRF（脉冲重复频率），平台高度，运行频率，Chirp BadnWidth等的原始数据生成的SAR参数差异。SAR图像质量可以通过IRF（脉冲响应函数）分析。然而，在IRF模拟SAR参数中，IRF不被认为是观察环境。为了分析SAR图像的特征，必须将观察环境应用于IRF。在水管理中，特别是，重要的是实现水域准备灾害灾害，干旱等水域灾害的特点。在发生事件之前，必须在水域调查观察区域的特征。在本文中，通过SAR参数生成原始数据，并且实现了SAR图像的IRF，实现了RDA（范围 - 多普勒算法）。大坝流域的真实环境被提取到SAR图像，IRF应用于大坝流域的真实环境。通过缩放和插值方法改善了特性分析的正确性，分析了其特性。

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