Remote sensing, in particular satellite imagery, has been widely used to map cropland, analyze cropping systems, monitor crop changes, and estimate yield and production. However, although satellite imagery is useful w...Remote sensing, in particular satellite imagery, has been widely used to map cropland, analyze cropping systems, monitor crop changes, and estimate yield and production. However, although satellite imagery is useful within large scale agriculture applications （such as on a national or provincial scale）, it may not supply sufifcient information with adequate resolution, accurate geo-referencing, and specialized biological parameters for use in relation to the rapid developments being made in modern agriculture. Information that is more sophisticated and accurate is required to support reliable decision-making, thereby guaranteeing agricultural sustainability and national food security. To achieve this, strong integration of information is needed from multi-sources, multi-sensors, and multi-scales. In this paper, we propose a new framework of satellite, aerial, and ground-integrated （SAGI） agricultural remote sensing for use in comprehensive agricultural monitoring, modeling, and management. The prototypes of SAGI agriculture remote sensing are ifrst described, followed by a discussion of the key techniques used in joint data processing, image sequence registration and data assimilation. Finally, the possible applications of the SAGI system in supporting national food security are discussed.展开更多
针对J2EE(Java Enterprise Editon)开发中多平台的请求和响应问题,提出了一种基于SpringMVC的开发方式。客户端是多平台的,后台系统架构中的核心控制器根据客户端的类型将请求分发到服务端对应的业务控制器中,处理后返回不同类型的结果...针对J2EE(Java Enterprise Editon)开发中多平台的请求和响应问题,提出了一种基于SpringMVC的开发方式。客户端是多平台的,后台系统架构中的核心控制器根据客户端的类型将请求分发到服务端对应的业务控制器中,处理后返回不同类型的结果响应客户端,并采用跨域异步数据交互的办法,实现了对多平台客户端的数据支持;在数据库方面,采用流行的Hibernate技术进行数据的持久化,并使用MySQL原生工具进行热备,以确保数据安全;在传输方面,采用了HTTPS(Hyper Text Transfer Protocol over Secure Socket Layer)实现身份验证和加密通讯;最后通过系统测试验证了后台系统架构的并发性能良好,符合预期要求。展开更多
基金supported by the Opening Project of the Key Laboratory of Agri-Informatics,Ministry of Agriculture of China(2012004)the National Basic Research Program of China(973 Program,2010CB951500)+2 种基金the Innovation Project of Chinese Academy of Agricultural Sciencesthe National Natural Science Foundation of China(41301365)the National High-Tech R&D Program of China(863 Program,2013AA12A401)
文摘Remote sensing, in particular satellite imagery, has been widely used to map cropland, analyze cropping systems, monitor crop changes, and estimate yield and production. However, although satellite imagery is useful within large scale agriculture applications （such as on a national or provincial scale）, it may not supply sufifcient information with adequate resolution, accurate geo-referencing, and specialized biological parameters for use in relation to the rapid developments being made in modern agriculture. Information that is more sophisticated and accurate is required to support reliable decision-making, thereby guaranteeing agricultural sustainability and national food security. To achieve this, strong integration of information is needed from multi-sources, multi-sensors, and multi-scales. In this paper, we propose a new framework of satellite, aerial, and ground-integrated （SAGI） agricultural remote sensing for use in comprehensive agricultural monitoring, modeling, and management. The prototypes of SAGI agriculture remote sensing are ifrst described, followed by a discussion of the key techniques used in joint data processing, image sequence registration and data assimilation. Finally, the possible applications of the SAGI system in supporting national food security are discussed.
文摘针对J2EE(Java Enterprise Editon)开发中多平台的请求和响应问题,提出了一种基于SpringMVC的开发方式。客户端是多平台的,后台系统架构中的核心控制器根据客户端的类型将请求分发到服务端对应的业务控制器中,处理后返回不同类型的结果响应客户端,并采用跨域异步数据交互的办法,实现了对多平台客户端的数据支持;在数据库方面,采用流行的Hibernate技术进行数据的持久化,并使用MySQL原生工具进行热备,以确保数据安全;在传输方面,采用了HTTPS(Hyper Text Transfer Protocol over Secure Socket Layer)实现身份验证和加密通讯;最后通过系统测试验证了后台系统架构的并发性能良好,符合预期要求。
