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   field signature 的翻译结果: 查询用时:0.163秒
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field signature
相关语句
  场信号
     Research on Detection and Measurement of Vessel's Physical Field Signature
     舰船物理场信号的检测与测量研究
短句来源
  “field signature”译为未确定词的双语例句
     As for the settlement, based on the working sequence quota, the verification method of operation orders and the field signature methods of supervisors are used to settle the cycle and cost of production test respectively.
     结算则以工序定额为基础,分别采用生产指令确定法和监督现场签认法结算试油周期及费用;
短句来源
     The mathematical model and results are presented,which show that the stochastic particle swarm optimization has more advantages than conventional ones in terms of minimizing the root mean square and peak of the ship degaussing magnetic field signature,and that this method can be used to optimize one or more parameters relating to the ship's magnetic field signature.
     计算例子表明随机微粒群算法在舰船消磁磁场特征均方根最小和峰值最小方面均比常规方法更有优势,而且这种方法还能用于优化与舰船磁场特征相关的任意一个或多个参数.
短句来源
     This paper advances some measures for controlling effectively the construction cost in the construction stage from aspects of optimizing the construction organization design,implementing the dynamic control of the construction cost,controlling the construction alteration,strengthening the field signature management,and strengthening the management of the project material prices,etc.
     从优化施工组织设计、控制工程变更、加强现场签证和工程材料价格的管理等方面提出了有效控制施工阶段工程造价的措施。
短句来源
     The simulation results show that this algorithm has more advantages than others in terms of minimizing the root mean square and peak of the warship degaussing magnetic field signature. In addition, this algorithm has many excellences such as intuitional algorithm, simple program, fast computation speed and high global searching probability, which make it easy to collaborate multi-computer and be applied to real projects.
     仿真结果表明:该算法在舰船消磁磁场特征均方根最小和峰值最小方面均比其他方法更有优势,此外,该算法具有计算方法直观,编程简单,计算速度快,全局解搜索率高,易于进行多机协作的优点,可以方便地应用于工程实际.
短句来源
  相似匹配句对
     Signature for XML
     XML的签名
短句来源
     Signature Handwriting Evaluation
     签名笔迹的鉴定
短句来源
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  field signature
The magnetic field signature is consistent with an FTE which was initiated at low-latitudes or with an early contact with the magnetopause.
      
They have an electric field signature of up to about 600 mV/m or more peak-to-peak value and a duration of about 150 microseconds.
      
On the constraints imposed by the close electric field signature on the equivalent corona current in lightning return stroke models channel.
      
Each candidate event was manually inspected to make certain that the spin axis measurement did not influence the parallel field signature.
      
An example of an electric field signature showing two waveforms characteristic of return strokes.
      
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Undulator rms phase error is expressed as function of the magnet peak field distribution. It can be used as the objective function for practical undulator performance optimization. An simple analytical computation formula is given for field signature of the shims to predict the field and phase perturbation according the shim position, size, thickness and magnet gap.

给出了波荡器位相误差的函数式,可由磁场峰值分布直接计算波荡器位相均方根误差。给出了波荡器垫补修正场的简单解析计算式,可根据垫片的位置、大小、厚度、磁极间隙等参数直接计算出对磁场及位相的修正。

The objective of the study (Zhejiang province as our test region) was to investigate how to utilize synthetically a wide variety of geographical information,included topographic map,vegetation map,land cover/use map and other ancillary information,for estimating rice planting area of hilly region in southern China by remote sensing technique with NOAA/AVHRR data.The research contents mostly concerned both the contrast tests on practical approaches and the relative stability test on training sample.Both DEM and...

The objective of the study (Zhejiang province as our test region) was to investigate how to utilize synthetically a wide variety of geographical information,included topographic map,vegetation map,land cover/use map and other ancillary information,for estimating rice planting area of hilly region in southern China by remote sensing technique with NOAA/AVHRR data.The research contents mostly concerned both the contrast tests on practical approaches and the relative stability test on training sample.Both DEM and digital slope imagery derived from the digital relief map were used for the purpose of improving the classification accuracies of AVHRR data in large hilly region.The results indicated that the accuracies of maximum likehood classification could satisfy the professional requirement of estimating rice planting area and fuzzy supervised classification based on unmixing AVHRR imagery has better classification and stability than MLK.In addition,the results through using DEM and slope imagery as categorization data suggests slope imagery may improve the results of extracting paddy field signatures from AVHRR,particularly may improve the spatial precisions,while DEM contribute nothing to improve the accuracies mentioned above.The results also indicated that the precisions of estimating rice planting area with relative stable training sample exceeded 92%,up to 98%.

以浙江省为试验区,在地理信息系统支持下综合利用多种地理信息,探讨丘陵地区大面积提取水稻种植面积信息的可行性。开展了分类识别方法的比较试验及训练样点相对稳定性试验。针对丘陵地区的复杂地形,在数字化地形图的基础上,建立数字地形模型(DTM),并衍生出地面坡度等地貌因子的数字化图像,结合NOAA/AVHRR数据,进行分类。试验结果表明,传统的分类识别方法中,最大似然法的分类精度可满足业务化运行的要求;建立在混合像元分解基础上的模糊监督分类,有较高的分类精度和较好的稳定性,具有较强的适应性;地貌因子参与遥感影像的分类,不仅可以有效地提高丘陵地区水稻种植面积信息的提取精度,而且还可以使面积信息提取精度保持一定的稳定性,提高空间精度;为探讨丘陵地区水稻种植面积信息遥感提取的可靠性和客观性,在训练样点保持相对稳定的前提下,对1996年和1997年浙江省水稻种植面积进行测算,两年的数量精度均在92%以上。

Taking Zhejiang Province as the experimental area, the experimental research on rice planting area of hilly region in southern China is carried out by using NOAA/AVHRR data.The main contents concern the contrast tests on the practical approaches.Both digital elevation model (DEM) and digital slope model (DSM) derived from the digital relief map are used for the purpose of improving the classification accuracy of AVHRR data in large area hilly region.The results show that the accuracies of maximum likelihood...

Taking Zhejiang Province as the experimental area, the experimental research on rice planting area of hilly region in southern China is carried out by using NOAA/AVHRR data.The main contents concern the contrast tests on the practical approaches.Both digital elevation model (DEM) and digital slope model (DSM) derived from the digital relief map are used for the purpose of improving the classification accuracy of AVHRR data in large area hilly region.The results show that the accuracies of maximum likelihood (MLH) classification could satisfy the professional requirements of estimating rice planting area, and fuzzy supervised classification (FSC) has better classification accuracy and stability than that of MLH. In addition, DSM may improve the results of extracting paddy field signatures from AVHRR, particularly may improve the spatial precision.

以浙江省为试验区,针对水稻种植面积遥感信息提取的业务化运行问题,进行了以下试验:(1)以传统的单象元统计分类识别方法为分类器,在地理信息系统支持下,提取丘陵地区大范围水稻种植面积信息的可行性;(2)在遥感资料的基础上,结合地形数据综合提取水稻种植面积专题信息的可行性和有效性;(3)混合象元分解方法在丘陵地区的有效性和适用性.结果表明,用最大似然法提取大范围水稻种植面积信息的精度可满足业务化运行的要求;模糊监督分类有较高的分类精度和较好的稳定性,具有较强的适应性;坡度数据作为遥感影像分类的辅助数据层,可以有效地提高丘陵地区水稻种植面积信息的提取精度,还可以提高分类的稳定性和空间位置精度.

 
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