1) ASTER and ETM data
ASTER与ETM数据
1.
Following the two ideas,different effects in using ASTER and ETM data were compared respectively.
本文在深入分析巴什布拉克铀矿区油气还原蚀变岩石的光谱特征,ASTER与ETM数据对蚀变岩石光谱特征反映的差异性的基础上,提出了正反两种蚀变信息提取的思路和两种数据在不同思路下提取蚀变信息的效果对比。
2) ETM data
ETM数据
1.
By Weichang county Larix gmelinii stand samples data of the forest inventory data(FID) of China,we use the contemporaneous ETM imagine,study the ways and models of estimating Larix gmelinii forests biomass using ETM data.
根据全国森林清样调查围场满族自治县的落叶松林样地数据,应用与之同期的ETM遥感影像,探讨基于ETM数据的落叶松林生物量的估算方法和模式 根据ETM各波段数据的特点,选用和开发18个变量,逐样点比较生物量与变量之间的关系,并对影响生物量的因子进行逐步回归分析,结果表明ETM3数据是落叶松林生物量的最好估计因子,生物量与ETM3数据有双曲函数关系,与1/ETM3呈极显著正相关,相关系数为0 878,在ETM3波段辐射亮度范围内生物量随ETM数据的增大而减小 并给出了用ETM3数据估算落叶松林生物量的模
2.
In order to delineate prospective region of shallow groundwater macroscopically,quickly and widely, and de- crease risks and blindness of conventional ground investigation, based on the feature that soil humidity can indicate the exis- tence of shallow groundwater, this paper selected normalized difference water index as a key factor and inversed MNDWI by ETM data.
根据土壤湿度在一定程度上可反映出浅层地下水的富集程度这一特性,将修正归一化水体差异指数MNDWI作为提取浅层地下水的关键因子,利用ETM数据进行了定量反演,并通过最优密度分割的方法,提取那些中间色调作为找水信息,圈定了找水远景区。
3) ETM image
ETM数据
1.
This paper deals with the utilization of the object-oriented method to extract wetland information from the Landsat ETM image.
利用面向对象方法和ETM数据提取湿地信息。
4) ASTER data
ASTER数据
1.
ASTER data can provide more land surface information and has higher spatial resolution and spectral resolution than Landsat TM and NOAA/AVHRR data,which can promote the precision of land surface temperature retrieval.
ASTER数据具有较高的空间分辨率与光谱分辨率,可提供比陆地卫星、NOAA/AVHRR等常见卫星数据更丰富的地表信息,有助于提高陆面温度的反演精度。
2.
Heavy metal and clay pollution information of waste ores has been extracted by mineral index and water pollution information by difference method and vegetation stress by density slice of NDVI based on ASTER data and reflectance curves of objects measured in the field.
利用ASTER数据结合野外实测各类地物反射光谱曲线,利用矿物指数提取矿区重金属和粘土污染;采用差值法提取水体污染状况;采用NDVI彩色密度分割法提取矿区植被污染信息。
3.
ASTER data are applied to many research fields.
本文首先对ASTER数据格式进行了分析,并对解读关键技术进行了研究,在此基础上,通过计算机编程实现了ASTER数据的读取;最后结合ASTER数据的特点给出了ASTER数据在几个主要研究领域的应用。
5) Aster image
Aster数据
1.
In order to study the black soil degradation in Songliao Plain,the authors chose the optimal wave band based on the spectral characteristics of Aster image,and realized the computerized automatic classification by means of man-machine interactive processing.
为研究松辽平原黑土退化状况,以Aster数据光谱特征作为选择最佳波段组合的理论依据,人机交互处理达到计算机自动分类的目的。
2.
Extraction of land use classification information of suburb of Nanjing city using ASTER image;
该文利用2001年ASTER数据对南京城郊地区进行了土地利用分类,首先采用多元统计方法提取分类特征波段。
6) ETM remote sensing data
ETM遥感数据
补充资料：AS
丙烯腈-苯乙烯共聚物是由丙烯腈和苯乙烯通过本体法、悬浮法或乳液法制得。透明或半透明的水白色颗航。相对密度1．06-1．08。折射率1．57。平衡吸水性0．66％。热变形温度82-105℃。具有高光泽、高透明、高冲击、良好的耐热性和机械性能。刚性大，具有较高的化学稳定性，耐水、耐油、耐酸、耐碱、耐醇类。溶于酮类溶剂和某些芳烃、氯代烃。耐候性中等，脆性较大。
拉伸强度 72-78MPa
冲击强度 2．1-2.5kJ/m2
洛氏硬度 R76-80
熔体指数 l. 4-3.3g/10min
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条