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遥感估产     
相关语句
  remote sensing estimation
     Remote Sensing Estimation of Sugarcane Yield Using Spectrovadiometer
     甘蔗遥感估产的光谱辐射计方法
短句来源
     THE STRUCTURE ANALYSIS OF WINTER WHEAT YIELD AND THE PIRNCIPAL OF REMOTE SENSING ESTIMATION OF WINTER WHEAT YIELD
     冬小麦产量构成分析与遥感估产
短句来源
     Based on finding the relationship between spectral parameters of different stages and three basic factors which form winter wheat yield an integral formular for remote sensing winter wheat yield estimation was found. An analysis and discusion was made for the principal of remote sensing estimation of winter wheat yield.
     在找到不同生长阶段的光谱参数与冬小麦3个产量构成因素之间的相关关系的基础上,确立了冬小麦遥感估产的整体地面模型公式,并对冬小麦遥感估产的原理进行了分析与讨论。
短句来源
     The referenced model for yield estimation provided from the present research could contribute the improvement of other crop yield remote sensing estimation using dynamic growth information.
     L-Y模型为棉花卫星遥感估产提供了参考模型,对其他作物使用动态生长信息提高遥感估产水平也有一定的借鉴意义。
短句来源
  estimating yield
     Application of remote sensing in estimating yield of winter wheat in west part of central Shaanxi
     关中西部灌区冬小麦遥感估产初探
短句来源
     On the basis of field observation and processing the information from NOAA/AVHRR CCT,the model of remote sensing estimating yield for lowland meadow in the western part of Northeast Plain is established by means of statistical methods in this research.
     以NOAA/AVHRRCCT为遥感信息源,结合野外调查与观测,运用数理统计学方法建立了东北平原西部低地草甸的遥感估产模型。
短句来源
     Using the green herbage yields,environment and the remote sensing(RS)data observed in different grassland types in the northern slope of Tianshan,Xinjinag Province from 1991 to 1996,the correlation analysis and the estimating yield methods were studied using the 3S technology integration. The methods of processing images,and collecting and using information,and lining RS data and grassland data were explored in the paper.
     利用1991~1996年在新疆天山北坡不同草地类型上观测的草地可食产量,环境与遥感资料等,使用RS技术、GPS和GIS集成系统进行了多重相关分析和遥感估产技术的深入研究,并在图象处理、信息提取、信息应用和RS-GPS-GIS一体化估产方法及遥感知识与草原生态专业知识结合方面获得一定研究进展。
短句来源
  “遥感估产”译为未确定词的双语例句
     Atmospheric Correction of Channel 1 and 2 for NOAA/AVHRR in Rice Yield Estimation
     水稻遥感估产中AVHRR通道1和通道2的大气影响校正
短句来源
     The application of "3S" technologies in the estimateto the production of winter wheat by remote sensing
     “3S”技术在河南省冬小麦遥感估产中的应用研究
短句来源
     Remote Sensing Model for Maize Yield Estimation Based on Biological Principles
     基于生物学原理的玉米遥感估产模型
短句来源
     Method of Verifying the Accuracy of Remotely Sensed Image Interpretation Based on GVG Sample System
     基于GVG采样系统检验遥感图像解译精度的方法——以其在农作物遥感估产中的应用为例
短句来源
     Information System Designing for Main Crop Estimation by Remote Sensing in Northwest China
     西北地区主要农作物遥感估产信息系统设计
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  remote sensing estimation
Study on model for remote sensing estimation of maize yield
      
It lays a solid foundation for carrying out remote sensing estimation of maize yield on a large scale.
      
  estimating yield
Multilocation testing produces significant genotype-environment (GE) interaction that reduces the accuracy for estimating yield and selecting appropriate germ plasm.
      
Regression analyses were performed on field data from 1981 and 1982 to determine models for estimating yield loss caused by early blight in potato cvs.
      
The data have implications for the interpretation of seedlings bioassays in allelopathic research and their applicability in estimating yield losses caused by phytotoxic substances.
      
Quantifying the fine scale (1km × 1km) exposure, dose and effects of ozone: Part 2 estimating yield losses for agricultural crop
      
Stepwise regression performed on the yield and hyperspectral data identified significant bands and band combinations for estimating yield variability for the two fields.
      


This paper tells some experimental results of remote sensing estimation of winter wheat yield under the condition of controlable sample fields. The controlable sample field means that winter wheat was grown on a cement pool with 3.25 meters long, 2.37 meters wide and 2.00 meters in depth to enlarge the span of yield by controling fertilizer and watering. During the growing season necessary agronomic parameters, such as LAI, the ear number, average grain number and the grain weight, etc., were measured, at the...

This paper tells some experimental results of remote sensing estimation of winter wheat yield under the condition of controlable sample fields. The controlable sample field means that winter wheat was grown on a cement pool with 3.25 meters long, 2.37 meters wide and 2.00 meters in depth to enlarge the span of yield by controling fertilizer and watering. During the growing season necessary agronomic parameters, such as LAI, the ear number, average grain number and the grain weight, etc., were measured, at the same time we measured spectral parameters. Based on finding the relationship between spectral parameters of different stages and three basic factors which form winter wheat yield an integral formular for remote sensing winter wheat yield estimation was found. An analysis and discusion was made for the principal of remote sensing estimation of winter wheat yield.

本文叙述了作者在可控样地条件下所做的冬小麦遥感估产试验的结果及其分析。 所谓可控样地,就是冬小麦种在几个封底的长3.25m、宽2.37m、深2.00m的水泥池中,用控制冬小麦的施肥量与灌水量的方法,人为地拉开各块样地的单产值。在整个冬小麦生长期内测定必要的农学参数,如叶面积系数、穗数、平均粒数、千粒重等;同时测定各个生长期冬小麦的光谱值。在找到不同生长阶段的光谱参数与冬小麦3个产量构成因素之间的相关关系的基础上,确立了冬小麦遥感估产的整体地面模型公式,并对冬小麦遥感估产的原理进行了分析与讨论。

China is a developing coun-try with large population and lim-ited arable land. It is strategically important to a bumper harvest for Chinese economic development. It is a necessary step for scientific and democratic administrative management to apply remote sensing technology for realizing timely monitoring of crop yield. In fact, the yield of winter wheat is determined by three factors (ear number, grain number and grain weight) , they are formed in dif-ferent stage and are controllled by different main factors,...

China is a developing coun-try with large population and lim-ited arable land. It is strategically important to a bumper harvest for Chinese economic development. It is a necessary step for scientific and democratic administrative management to apply remote sensing technology for realizing timely monitoring of crop yield. In fact, the yield of winter wheat is determined by three factors (ear number, grain number and grain weight) , they are formed in dif-ferent stage and are controllled by different main factors, so the method of estimation of winter wheat yield should be based on the relationship between spectral parameters and the three basic factors which form the winter wheat yield. Authors utilizes the synchronized spectral parameters and necessary agronomic data gained from controlable sample fields to analyze the relationship between three basic factors and remote sensing data adding non-remote sensing parameters. The theory of decomposition of mixed pixel has made it possible to realize macro monitoring of winter wheat using low resolution AVHRR data.

中国是个人口众多而可耕地少的发展中国家,农业收成的丰欠对中国经济的发展具有战略上的重要性,应用遥感技术对作物产量进行实时监测是管理决策科学化的重要步骤。作者利用在可控样地上种植冬小麦所获得的同步光谱信息与必要的农学数据,分析遥感参数及非遥感参数与冬小麦产量三要素间的相互关系,通过计算机信息系统使之有机地结合起来,是冬小麦遥感估产的正确途径。作者提出的混合像元分解理论,使应用AVHRR资料实现冬小麦宏观监测成为可能。

As a result of study, the methodology, way and problems of rice yield estimating in south rice region of China have boon found basically, such as using T M data to survey rice area, using comprehensive methodology to estimate rice yield and achieving the relation and models between rice field spectral feature and rice growth and yield structure etc. It lays a foundation for using remote sening technology to calculate rice yield in whole south rice region of China.

经过“七五”攻关研究,基本上找出我国南方稻区遥感水稻估产的方法、途径和问题,如用TM资料调查水稻面积、用综合方法进行水稻估产,并获得稻田光谱与水稻长势及产量结构的关系及模式等,为“八五”大区域水稻遥感估产奠定了基础。

 
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