查询词典 spatial change

The experiment results show the advantages and disadvantages of these methods on detecting change information of specified targets through high spatial panchromatic remote-sensing imagery.

该方法在一定意义上能够克服单纯由像素灰度差异引起的伪变化，而且对不同尺寸的区域变化都有很好的适应性。

Soil erosion is the most serious ecological environmental problem in Loess Plateau of China. Unreasonable land use practice is identified as one of the most important reasons for triggering and aggravating soil erosion, and the driving mechanisms for land use change and the relationship between land use spatial pattern and soil erosion are the important aspects for the study about soil erosion.

水土流失是黄土高原地区严峻的生态环境问题，不合理的土地利用是引发和加剧水土流失的重要原因之一，土地利用变化驱动机制和土地利用空间格局与水土流失关系是其研究的重要方面。

The results prove that the method is prompter than the conventional ones and reduces the amount of work greatly. Moreover, when the DB is connected with regional information system, it is possible to make a study on the changing characteristics of regional land use through quantity change, and to find out the laws on the dynamic changes of spatial distribution and type of land use by land use maps.

结果表明与传统调查方法相比速度快，工作量大大减少，且把数据库与区域信息系统连接或被调用，不仅可以通过数值的变化，研究区域土地利用状况的变化特征，还可以从图形上体现出土地利用类型的空间分布规律，以及空间分布的动态变化情况。

By using the TM images in 1997,2001 and the spatial analysis methods of remote sensing and investigated by quadrat,the dynamic change of vegetation,land use and soil erosion in the "Shan-Gan-Ning air mass to Yinchuan" natural gas pipeline project region during the period from 1997 to 2001 are analyzed.

基于在中国西北生态脆弱区天然气管线建设的工程实例，利用夏季陆地卫星图像为基本信息源，应用遥感解译分析、野外样方调查等方法，以植被类型、土地利用、土壤侵蚀为基本评价因子，对天然气管线建设前、后项目区的生态环境变化进行了分析研究。

Our activity not only is also seasonable, simultaneously also adjusts because of the spatial change.

而这时的建筑再也不需要肩负城市的责任，开始了它"肆意"的膨胀。

Simulation experiment and cases shows that change in seal space(both cross sectionally and areally) causes spatial variety of vertical seal in a same fault(both cross sectionally and areally).

通过模拟实验和实例对断层垂向封闭的差异性进行了研究，表明由于封闭空间变化造成同一条断层垂向封闭性在空间上存在着差异性，由于封闭条件和机理演化造成同一条断层垂向封闭在时间上存在着差异性，由于封闭对象改变造成同一条断层垂向封闭能力存在着差异性，在相同条件下，同一条断层垂向封油能力强于垂向封气能力。

Based on the feature of line scanning ,the change of slope of the scanning line is used as the compression rule on the spatial point cloud data.

本文分析激光扫描数据的特点，基于其线扫描的特点，提出了扫描线斜率变化为准则实施数据压缩，其次对于密集数据又给出格网数据压缩方法。

Fourthly, it discusses the spectral image loss-less compression by applying thecorrelation and the entropy of the spectral image sequence. It gives and analyses three expressions of imaging spectrometer images, and tells the change in correlation coefficient and entropy for different expressions. At last, it puts forward D2PCM de-correlation method to reduce the spatial and spectral redundancy. This method improves the compression ratio and the compression efficiency, being easy and fast in operation.

根据成像光谱图像的空间、谱间相关性和信息熵的特征，提出成像光谱图像序列的三种表示方法，分析了不同表示方法的相关系数和图像信息熵的变化，并研究出了成像光谱图像的无损压缩方法，即利用D~2PCM方法对光谱图像序列进行去相关处理，同时降低图像的空间和谱间冗余，在提高了无损压缩的压缩比和压缩效率的同时，算法具有简单快速的优点。

Fourthly, it discusses the spectral image loss-less compression by applying thecorrelation and the entropy of the spectral image sequence. It gives and analyses three expressions of imaging spectrometer images, and tells the change in correlation coefficient and entropy for different expressions. At last, it puts forward D2PCM de-correlation method to reduce the spatial and spectral redundancy.

根据成像光谱图像的空间、谱间相关性和信息熵的特征，提出成像光谱图像序列的三种表示方法，分析了不同表示方法的相关系数和图像信息熵的变化，并研究出了成像光谱图像的无损压缩方法，即利用D~2PCM方法对光谱图像序列进行去相关处理，同时降低图像的空间和谱间冗余，在提高了无损压缩的压缩比和压缩效率的同时，算法具有简单快速的优点。

Using systematic grid sampling method and geostatistics, the spatial heterogeneity of land use intensity change in Guanxian county from 1990 to 2000 was studied in this paper.

以山东省冠县为研究区域，采用系统网格采样法获取研究样本，以地统计学方法探讨了冠县1990~2000年土地利用强度变化的空间异质性。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。