The embedded field information collection system proves that above method is success to manage GPS spatial position data and property data.
利用该方法，在嵌入式农田信息采集系统中成功地实现了对基于GPS的空间位置数据和属性数据的采集管理。
This paper has summarized the basic theory for GIS spatial position data uncertainty estimation and the error propagation, and practical estimation methods.
本论文归纳总结了GIS空间位置数据不确定度估计和误差传播的基础理论和实用的估计方法。
Raw sensor data must be combined with spatial information and the value of the raw data increases substantially. Raw data without its position information has less capability.
传感器节点采集到的数据必须结合其位置信息才有意义，没有位置信息的数据几乎没有利用价值。
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