Crop identification is the basic work in crop yield estimation.
作物识别是遥感作物估产的基础。
This paper described using the NOAA data for grassland monitor and yield estimation.
本文阐述了如何利用NOAA资料进行草地监测和产草量估计。
Firstly, the author extensively reviewed different crop yield estimation methods in this paper.
本文首先综述分析各类作物估产办法。
A novel integration-based yield estimation method is developed for yield optimization of integrated circuits.
本文提出了一种基于数值积分的集成电路成品率估计方法。
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。
In large area crops yield estimation from remote sensing data, crops planting area estimation with NOAA data remains to be resolved difficultly.
在大面积农作物遥感估产中,应用气象卫星数据估算种植面积一直是一个难点。
Finally, the performance of information diffusion yield estimation model was compared with multiple linear regression model and BP neural network model.
然后针对模型的稳定性和精度进行交叉验证,并与多元线性回归模型和BP神经网络模型进行对比。
Assimilating external data into crop growth model to improve accuracy of crop growth monitoring and yield estimation is a research hotspot in recent years.
利用外部数据同化作物生长模型提高区域作物单产模拟精度是近年来的研究热点。
Crop yield estimation by remote sensing and crop growth simulation models have highly potential application in crop growth monitoring and yield forecasting.
卫星遥感估产和作物生长模拟两项新技术在作物监测和估产方面有巨大的应用价值。
The methods of sampling estimation data and amalgamating yield estimation were introduced to estimate theory yield of zhongshuang 4 and Huaza 6 of Brassica napus L. in this paper .
采用取样测数法和合并测产法分别对中双4号、华杂6号甘篮型油菜产量进行了测定。
The optimum temporal for rice estimation using remote sensing data included the optimum temporal for rice planting area estimation and the optimum temporal for rice yield estimation.
水稻遥感估产最佳时相选择应包括水稻种植面积估算最佳时相和水稻产量预报最佳时相两部分。
Taking Guangrao county, Shandong Province as the study area, winter wheat yield estimation techniques were explored based on high and moderate resolution remote sensing data at county level.
该文以山东省广饶县为研究区,探讨基于中高分辨率卫星遥感数据的县域冬小麦估产技术。
Combined with the characteristics of Globalstar system, we select typical channel and link parameters in estimation to yield the number of afforded channels and the system traffic capacity.
结合全球星系统的特点,选择了典型的信道和链路参数进行估算,分别得到了系统的可供信道量和系统通信容量。
Then the rice yield in Jiangsu is fitted by nonparametric kernel density estimation method.
以非参数核密度估计方法拟合江苏稻谷的亩产量。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法,实现了跳频频率和码速率等参数的高精度估计。
In order to yield high resolution, the high-order autocorrelation matrix is used, the number of the operations for the estimation of frequency and power is tremendous.
为了达到高分辨率而采用高阶相关矩阵,谱估计的运算量十分大。
This paper discusses the model of estimation of the Human Capital′s Value, using the method of input-output model to describe the process of the yield of the Human Capital.
本文就人力资本价值计量问题引出一种新型投入产出模型——描述人力资本价值生产过程的投入产出模型。
The estimation of straw yield from the yield of grain and the ratio of G_s is satisfactory for a large area, but for some small plots, the estimations may cause significant errors.
由粮食产量推算秸秆量,对于大面积的估算有较满意的结果,而对于个别地块,其误差可能较大。
Rice cultivation area and yield level have some regional rules. It is necessary to divide the rice regions to improve the precision fo rice estimation by remote sensing.
水稻分布面积和单产水平具有一定的地域规律,为了提高水稻遥感估产精度,有必要作稻作分区的预处理。
Rice cultivation area and yield level have some regional rules. It is necessary to divide the rice regions to improve the precision fo rice estimation by remote sensing.
水稻分布面积和单产水平具有一定的地域规律,为了提高水稻遥感估产精度,有必要作稻作分区的预处理。
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