搜索结果: 1-15 共查到“知识库 农业工程 Agriculture”相关记录40条 . 查询时间(0.186 秒)
Application of 3D cameras in agriculture when evaluating the quality of soil tillage
PMD sensor picture model soil roughness measurement
2016/7/6
The paper deals with the evaluation of data collected by scanning the agricultural surface with a 3D Photonic Mixer Device (PMD) camera with IFM company electronics and a resolution of 64 × 50 pixels ...
PRECISION AGRICULTURE TECHNOLOGY IN A REGIONAL APPROACH: THE ABC FOUDATION EXPERIENCE
Agriculture GIS Application Photogrammetry SoilI
2015/7/29
The adoption of precision agriculture practices is just starting in Brazil. In Paraná State, ABC Foundation, a research organization
owned by farmers, is conducting a strong program of evaluation an...
Influence of two-body abrasion and heat intensity on metal and non-metal materials used in agriculture
abrasive wear composite systems epoxy resin
2015/5/18
In the agro-complex, as well as in other sectors, the use of polymeric materials is one possible way forward in the innovation and development of machines and their parts. However, machine products pl...
Epoxy resin filled with primary and secondary raw material – useable in agriculture
hardness tensile strength waste wear
2014/11/28
Hard inorganic particles in the interaction with polymeric materials increase wear resistance. Also reactoplastics are
suitable for filling with micro- and nano-particles for a purpose of some mecha...
This 8-page publication in the Agricultural Alternatives series discusses community-supported agriculture (CSA), a concept designed to encourage relationships between consumers and growers and for con...
Reliability of ZigBee transmission in agriculture production
dependability Hamming wireless communication
2014/2/24
Currently, the unlicensed ISM (Industrial Scientifi c and Medical) band 2.4 GHz has become saturated due many standards
used at once. In agricultural production ZigBee has a lot of application...
面向精细农业的土壤温度监测传感器节点设计（Smart Sensor Nodes for Wireless Soil Temperature Monitoring Systems in Precision Agriculture）
精细农业 土壤温度 传感器节点
2009/11/3
设计了一种能够监测土壤温度的无线智能传感器节点，硬件系统基于片上系统CC2430和DS18B20进行开发，软件部分包括温度采集和数据传输。实验表明，该节点可以实现土壤温度信息的采集和传输，且结构紧凑、工作稳定和功耗低。节点之间有效通信距离可达80m，误码率为1%左右。可以满足精细农业作业要求，同时也为无线传感器网络通信协议的进一步研究提供了实验平台。
面向农业移动管理的信息获取技术（GPS-based Information Collection Technology for Agriculture Mobile Management）
精细农业 移动终端 信息获取
2009/11/3
基于移动终端、嵌入式GIS和无线通讯等技术，设计了面向田间交互管理的农业移动管理系统技术框架，研究了农田信息无线采集与传输、基于位置的图像获取、GPS虚拟差分数据获取和无线数据传输等技术，开发了农业移动管理系统原型。移动终端具有GPS定位与导航、GPS照相、照片编辑与查看、专题图制作、属性信息查询、农田网格划分等功能。初步应用试验表明，该原型系统可应用于农田移动管理。
基于TMS320DM642的农业机器人视觉导航路径检测（Identifying the Navigation Route Based on TMS320DM642 for Agriculture Visual Robot）
机器人 自定位 视觉导航
2009/8/11
在农田非结构化自然环境下，通过机器视觉提取导航线的处理算法，利用透视投影变换得到摄像机相对于导航路径的偏移距离和偏移角，成功地在TMS320DM642系统上得到实现，并对程序进行了基于C语言的代码优化。试验结果表明，偏移角的最大误差为2°，横向偏移距离最大误差为5cm。
农林环境机器视觉导航路径生成算法及应用（Algorithms of Path Guidance Line Based on Computer Vision and Their Applications in Agriculture and Forestry Environment）
路径导航 农林环境 机器视觉
2009/5/22
提出两种自然环境中的路径导航线生成算法：对于矮小作物规则分布的农田场景，在标准Hough变换的基础上，预先检测共线点峰值的限定偏角阈值，以迅速检测关键信息；对于林地环境及类林地环境的高大作物农田场景，寻找树干与地面的交点，形成机器人行走的左右边界，再求两边交点的中值产生一列点簇。对该列点簇进行Hough变换检测直线作为导航线，或应用最小二乘法拟合左右边界，求其中线作为路径导航线。Matlab对比仿...
Sampling Design for Global Scale Mapping and Monitoring of Agriculture
Global Agriculture Sampling Stratification Crop Monitoring MERIS
2016/4/8
In the changing global environment there is a need for an operational system for monitoring of world food crop production using satellite observations. It is useful in two primary missions – food secu...
Geomatics Analysis of the Impact of Predicted Sea-Level Rise on the Agriculture along the Coastal Zone of Andhra Pradesh
Climate Change Seal-level Rise Coastal Land use Agriculture Vulnerability
2016/4/7
Global warming induces steric as well as eustatic rise in sea-level, by thermal expansion and addition of ice-melt water, respectively. Although the IPCC (2007) estimated a maximum possible sea-level ...
The effect of tractor supply in Iran agriculture from a macro plan point of view
Iran tractor supply mechanisation
2014/2/26
The aim of this study was to investigate the effect of the tractor supply on agricultural yield from a macro plan perspective. The required information was obtained from the Institute of Agricultural ...
Modeling Approaches to Salt Management Problems in Irrigated Agriculture：A Review
Salinization salt management alternatives drainage water reuse
2009/1/13
Irrigation projects have been developed throughout human history to increase food production, but they frequently contribute to salinization and drainage problems as well. Examples where salinization ...
Analyzing the production of limited harmful substances from mobile sources of energy in agriculture
diesel oil biodiesel oil emission factor standard weight of fuel oil area size under crops limited harmful substance pollutant emission
2014/2/26
An expert estimate of the weight of emissions produced in agriculture has been up to now made only through a final counting to the total REZZO 4 emission balance in the category of “other mobile sourc...