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农作物估产
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  crop yield estimation
     Reliability Analysis of the Accuracy of Crop Yield Estimation Based on GVG Sampling System
     基于GVG采样系统的农作物估产可信度分析——以四川盆地为例
短句来源
     Research of Crop Yield Estimation Based on Spatial Data Warehouse
     基于空间数据仓库的农作物估产研究
短句来源
     The reality and function of agricultural information technology in China was summarized in 5 aspects:agricultural resources,agricultural disaster,crop yield estimation,environmental monitoring and evaluation,and agricultural production management and technological consultation.
     从农业资源、农业灾害、农作物估产、环境监测评价 ,以及农业生产管理与技术咨询服务等 5个方面 ,概述了我国农业信息技术的应用状况及其作用。
短句来源
     The paper inquired into the characteristic, system architecture of spatial data warehouse and valued crop yield estimation methods we have now.
     为此,探讨了空间数据仓库的特征、体系结构,对现有农作物估产方法进行了评价。
短句来源
     Since many factors influence agricultural estimating, a trial is suggested to apply spatial data warehouse technology in the research of crop yield estimation and modal of multi-dimensions were built. Thus agricultural decision-making department can obtain reference.
     鉴于农作物估产的影响因素的复杂性,引入空间数据仓库技术,并且建立了多维数据模型,来进行农作物估产的研究,为农业决策部门提供参考依据。
短句来源
  production estimation
     This paper outlines the precent application and the davelopment trend of GIS in geological prospecting,mineral resources prognosis evaluation,land rectification,physical resources administration,regional economic planning,country information research,city construction, calamity evaluation and protection,agricultural production estimation and farming dynamic transformation etc.
     文章重点对地理信息系统在地质找矿、矿产资源预测评价、土地整治、自然资源管理、区域经济规划、国情研究、城市建设、各种灾害的评估和防治、农作物估产和耕地动态变化等方面的应用现状和发展趋势进行了综述
短句来源
     Agricultural technology of Romote sensing in tegrates spacial information technology,computer technology,with database and network technology and omnibearingdata management,data analysis and fruit making are operated in agricultural resource adjestment,crop planting structure,production estimation,ecological environment monitoring and so on,based on systems of geographical information and global orientation. It is also an effective technique of observing earth and method of obtaining information atpresent.
     农业遥感技术是集空间信息技术,计算机技术,数据库、网络技术于一体,通过地理信息系统技术和全球定位系统技术的支持,在农业资源调整、农作物种植结构、农作物估产、生态环境监测等方面进行全方位的数据管理,数据分析和成果的生成与可视化输出,是目前一种较有效的对地观测技术和信息获取手段。
短句来源
  “农作物估产”译为未确定词的双语例句
     Application and Development of Remote Sensing in Estimation of Crop yield
     遥感在农作物估产中的应用与发展
短句来源
     As a Intersectional Science , GIS (Geographic Information System) is erected on the base of Computer Science ,Topography ,Remote Sensing ,Geography Environmental Science , Spatial Science , Information and Managing Science. Now , GIS is drawing more and more people's attention and used widely in city planning ,market managing, resourse researching, environment monitoring and analysis, land resourse managing, forest monitoring and managing, estimating the yield of crops, fire alarming, traffic and safety managing, electrical net managing and so on.
     地理信息系统(Geographic Information System,简称GIS)作为集计算机科学、测绘学、遥感学、地理学、环境科学、空间科学、信息管理科学为一体的新兴交叉科学,越来越受到人们的重视,并且广泛应用于城市规划、市场管理、国土资源调查与管理、环境监测与分析、森林监测与管理、农作物估产、公安消防预警、交通与安全管理、配电网管理等诸多领域。
短句来源
     As a Intersectional Science, GIS (Geographic Information System) is erected on the base of Computer Science, Topography, Remote Sensing, Geography, Environmental Science, Spatial Science, Informatics and Managing Science. Now, GIS is drawing more and more people's attention and used widely in city planning, market managing, resourse researching, environment monitoring and analysis, land resouse managing, forest monitoring and managing, estimating the yield of crops, fire alarming, traffic and safety managing, electrical net managing and so on.
     地理信息系统(Geographic Information System,简称GIS)作为集计算机科学、测绘学、遥感学、地理学、环境科学、空间科学、信息和管理科学为一体的新兴交叉学科,越来越受到人们的重视,并且广泛应用于城市规划、市场管理、国土资源调查与管理、环境监测与分析、森林监测与管理、农作物估产、公安消防预警、交通与安全管理、配电网管理等诸多领域。
短句来源
     The present situation of GIS application in agriculture,including agricultural resource research and management,cropland regionalization,assessment of land suitability,agro-environment investigation,prediction of plant diseases,estimation of crop yield and precision agriculture were reviewed.
     深入讨论了G IS在农业资源调查与管理、农业区划、农业土地适宜性评价、农业生态环境研究、农业灾害预防、农作物估产及精确农业等方面的应用现状。
短句来源
     Spatially distributed soil moisture and its change information are important for hydrology, climatology and ecology.
     水文学、气候学、植物生态学应用中,地表土壤水分含量(~5cm深度)的时空分布信息十分重要,常常作为水文模型、气候模型、生态模型的输入参数,同时,也是干旱预报、农作物估产等重要指标。
短句来源
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  crop yield estimation
Samples for crop yield estimation should be extracted according to the characteristic of spatial distribution of crop yield to promote the efficiency of sampling.
      
In general, NDVI reflects growing status of green vegetation, so crop monitoring and crop yield estimation could be realized by using remote sensing technique on the basis of time serial NDVI data together with agriculture calendars.
      
The purpose of this paper is to apply ANFIS neuro-fuzzy architecture for crop yield estimation.
      
  production estimation
Verification of net primary production estimation method in the Mongolian Plateau using landsat ETM+data
      
This paper presents the applications of Landsat Thematic Mapper (TM) data and Advanced Very High Resolution Radiometer (AVHRR) time series data for winter wheat production estimation in North China Plain.
      
A simple multisector model with six sectors of production estimation and simulation results for the 1950-1968 period
      
Striped bass ichthyoplankton abundance, mortality, and production estimation for the Potomac River population.
      
Tests at various stages of production estimation prove it exogenous.
      


The highlights and development trends of remote sensing techniques and applicationin the world are summarized in this paper.On the basis of analysing the three five-yearplan of remote sensing in China,the authors set forth the guiding ideology,countermeasureand proposal of the developmental strategy for the research on remote sensing technologyand application during the ninth five-year plan.

概要介绍了卫星遥感、微波遥感、三S一体化等国际遥感技术发展热点,遥感参与全球变化研究、区域发展、减灾防灾的应用研究进展,以及遥感走向实用化、商业化、国际化的发展趋势;详细分析了“六五”、“七五”、“八五”我国遥感技术与应用研究现状,三个五年攻关的效果显著,我国的遥惑技术与应用研究发展迅速,在整体水平方面处于发展中国家领先地位,但与美国、欧共体等发达国家尚有较大差距;阐述了中国遥感技术与应用研究发展战略的指导思想。重点说明了我国“九五”遥感技术与应用发展的对策建议,包括:遥感参与我国区域可持续发展的应用应作为“九五”重点,同时在全球变化研究领域要有所赶;充分利用“八五”成果,在重大自然灾害遥感监测评估、主要农作物估产系统和资源调查等方面发展实用化的系统应用工程;发展我国的第二代综合观测卫星以及专用小卫星,建立我国的综合观测评估业务系统;充分开发利用其他国家卫星数据;加强微波遥感技术开发与应用研究;发展三S一体化技术;加强遥感技术应用的有关基础理论研究;加强组织协调管理等。

The

介绍了遥感技术在美国农作物估产中的应用现状、研究现状,以及美国农业部资源保护局的机构和职能设置,最后提出遥感技术在我国农业上应用的建议。

Crop production statistics are of vital importance to a country such as China where the agricultural production is highly susceptible to the vagaries of monsoon and the 75% population is farming activities related. The NOAA AVHRR data are used to monitor the crop growth over the entire country at decade period during growing season from March to October. The acreage under crops are estimated through estimating crop proportions to farming land from remotely sensed data, including TM and Radarsat data, with support...

Crop production statistics are of vital importance to a country such as China where the agricultural production is highly susceptible to the vagaries of monsoon and the 75% population is farming activities related. The NOAA AVHRR data are used to monitor the crop growth over the entire country at decade period during growing season from March to October. The acreage under crops are estimated through estimating crop proportions to farming land from remotely sensed data, including TM and Radarsat data, with support from intensive ground surveys. The ground surveys are served both as a ground truth for classification of remotely sensed data and as reference data of accuracy testing. The agrometeorological models are used for yield estimation on every homogenous yield level zone.

农作物遥感估产包括农作物的长势与产量趋势监测及产量的早期预报。在总结15 年来国内遥感估产成果的基础上,提出了以充分利用已有成果为基础的全国范围农作物估产运行化遥感方法。建成了NOAA AVHRR数据实时预处理系统,并利用每旬的AVHRR最大NDVI图像与上年同期数据对比实现全国范围的农作物遥感长势监测。在高精度耕地数据库的支持下,通过提取不同作物种植成数估算作物种植面积。种植成数可以用TM 和多时相雷达数据分类以及线样区地面调查得到。通过对几千个已得到广泛应用的农业气象估产模型的评价、筛选、检验或重新标定, 形成农业气象估产模型集。

 
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