radarsat中文是什么意思

• 加拿大卫星
• 雷达卫星

• "radarsat radar satellite" 中文翻译 :    雷达卫星
• "radarproof aircraft" 中文翻译 :    有反雷达装置的飞机
• "radarscope" 中文翻译 :    雷达显示[示波]器。
• "radarproof" 中文翻译 :    反雷达
• "radarscope camera" 中文翻译 :    雷达显示器照相机
• "radarphototheodolite" 中文翻译 :    雷达摄影经纬仪
• "radarscope display" 中文翻译 :    雷达荧光屏显示
• "radarphotography" 中文翻译 :    雷达摄影术 雷达摄影学
• "radarscope film" 中文翻译 :    雷达显示器影片
• "radaro ervation" 中文翻译 :    雷达观测

• After the introduction of the wavelet theory and the principle of wavelet - based image fusion , we test the radarsat and landsat images using gray - value algorithm
  在对小波变换的基本理论和其用于融合的原理进行介绍之后，我们利用了灰度值选择算子针对radarsat和landsat图像进行了相关实验。
• Based on the method described above , experiments are taken on multitemporal radarsat images . we obtain satisfactory results and validate the availability of this method on sar image registration
  采用上述方法，本文对不同时段、不同季节拍摄的sar图像进行了实验，获得了较满意的配准结果，验证了本方法对sar图像的适用性。
• When it comes to feature - based image fusion , we make use of mean - shift to extract appropriate features according to the characteristics of radarsat and landsat images , then apply the bayes theory to feature level fusion classification
  在特征级的图像融合中，我们针对radarsat和landsat图像的特点，采用滑动窗方法提取适当的特征，然后用bayes理论来进行特征层的融合分类。
• In this study , we demonstrate a technique using the multi - temporal c band hh polarized radarsat scansar data to estimate the relative soil moisture change . the experiment data from sgp97 covered a whole range of vegetation growing season and different type agriculture fields
  研究证明，星载合成孔径雷达( sar )得到的地表后向散射系数与地表介电常数有直接相关关系，从而能够在水文模型要求的精度范围内有效提取地表土壤水分信息。
• The currently available satellites , however , are single polarization , single frequency sensors such as ers - 1 / 2 , radarsat , and jers - 1 . there is a need to develop a technique to estimate soil moisture information from these available data sources at both regional and local scales
  传统的测量方法，如重量法测量和时域反射计都是基于点的测量方法，需要实地操作和烦杂的后处理过程，而且无法在要求的时间精度范围内得到地表土壤水分的空间分布信息。
• For parameter a , there is a close relationship exist between a ( 9 , sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture , we get the final expression of the inversion model : where mv ( t1 ) , mv ( t2 ) is volumetric soil moisture content in two different temp , c , d is soil type related parameters , and v ( t1 ) , s ( t2 ) is coresponding bare soil radar backscattering coefficients . inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40 , the soil moisture change value can be derived with an acceptable accuracy using the above model . the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover , as well as the soil hydraulic characteristics
  利用最新发展的电磁波散射模型研究了不同植被覆盖地表雷达波对地表土壤水分的敏感性，建立了半经验植被雷达后向散射模型; 2 ) .研究发现在农作物等矮小植被覆盖地表，植被层直接后向散射与植被类型相关，且在植被生长期，雷达后向散射系数对植被含水量的敏感性要高于对植被高度变化的敏感性; 3 ) .解决了单参数雷达地表土壤水分反演问题中，雷达入射角和地表粗糙度的影响这一难点问题; 4 ) .利用土壤介电模型校正了不同土壤类型对反演地表土壤体积含水量的影响; 5 ) .在以上成果基础上，建立了完整的单参数雷达地表土壤水分变化探测反演算法，经地表验证，模型反演地表土壤水分变化值的精度为rmse = 0
• Some features and feature groups that can well show the characteristics of urban environment are founded through experiment to compare the performances of different features . for all the researches in this paper , the radarsat images in 1998 and 2000 and the spot image in 2000 of beijing and field survey data are used to validate . the experimental result demonstrates that a higher change detect accuracy can be obtained < wp = 4 > through the texture differencing method than through the image differencing method based on gray level and the wide application of texture differencing method for urban change detection in sar images
  本文开展的各项研究工作，均使用北京地区1998年、 2000年radarsat图像、 2000年spot图像及实地考察数据进行了验证，实验结果表明，与灰度差值法相比，本文所提出的纹理差值变化检测方法获得了更好的检测结果，也表明了纹理差值变化检测方法在合成孔径雷达图像和变化检测中良好的应用前景。

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