查询词典 statistical accuracy

With a practical example,the accuracy inspection and statistical analysis of spatial data are discussed. And by means of superimposition of the different types of spatial data, the relative accuracy of the data can be inspected and the errors reduced effectively so that the quality of the spatial data is improved.

最后结合实例着重介绍了空间数据的精度检测和统计分析结果，提出了利用不同类型空间数据的叠加来检测数据相对精度，并能有效地削弱空间数据误差进而提高空间数据质量的方法。

However, such calculation accuracy cannot satisfy the demand of production. The accuracy of volume calculation may be improved by the three-dimensional orebody model; while the accuracy of grade assessment can be improved by estimation for random location of orebody with space interpolation.

以三维矿体模型为基础计算矿体体积能够提高体积计算精度，以空间插值技术对矿体任意空间位置的品位进行估值，有助于提高品位估值的精度。

The results of agreement and accuracy test showed that the agreement index was above 0.85; the historical coincidence of the model reached 100%; the accuracy of cassava per-unit area yield model reached first grade while the accuracy of cassava planting area and total yield model was in second grade.

经拟合及精度检验，拟合指数均在0.85以上，历史符合率达100%，木薯单产模型为一级精度，木薯面积、总产模型为二级精度。

If you try it on the first mission, avoid shooting the parachuting enemies at the beginning because it will lower your accuracy rating pretty badly. Grenades don't affect your accuracy, so throw lots of those, use grapple effectively and fire slowly with single shot assault rifles. You can check your accuracy any time by pressing and going to 'Stats'. It is cumulative however, meaning if you reload a checkpoint, the stats will still include any missed shots before you reloaded the checkpoint.

这个要求任意章节通关时命中率在80%以上，normal以上难度限定，个人推荐关卡第一章，前面的敌人无视，直接用抓投干掉，这样可以保持命中率一直在0%，然后进入最后一个CK点后，选择一个敌人开枪打死，按暂停查看stat确定命中率在80%以上后其他敌人抓投死就ok了。

At the same time, combining with the actual condition of delivery pipeline of our country and some prevalent leak detection and location methods, this paper raised a method, which is based on wavelet analysis and negative- pressure-wave to detect and locate the leakage. Jobs in the paper are as follows:As affected by gas density, pressure, specific heat and pipe material, the velocity of negative-pressure-wave improved depending on the energy conservation. At one time, taking the affection of velocity of gas flow, the location formula was modified in some degree.When locating the leaks with location formula, the iterative approach algorithm was adopted as a new method to increase the location accuracy level of system.Multi-scale decomposition and reconstruction of wavelet transform is utilized to filter the noise of negative-pressure-wave, which was brought by leakage. With the capacity to detect the signal singularity fast and accurately, wavelet transform was used to catch the break point of pressure signal. The work improved the accuracy of At in location formula, accordingly improved the location accuracy.Wavelet is a suitable tool for signal analysis. The distinct character is that the mother-wavelet is of optional. That means choosing different mother-wavelet will get different analysis result. So we studied how to choose mother-wavelet and its scale for signal singularity detection. The method is to choose a wavelet by regularities of the wavelet and the signal.Finally, a plan, which bases on SCADA system for inspection and detection of natural gas leakage, is proposed in the article.

其中，主要进行了以下几方面的工作：针对泄漏产生的负压波在管道中的传播速度受媒介的密度、压力、比热及材质等因素的影响，而非声波在空气中传播的速度，本文利用能量守恒原理，对其进行了修正；考虑到管内气体流速对压力波速的影响，对原始的负压波定位公式进行了一定程度的改进，并在利用定位公式进行泄漏点定位时采用逐步迭代逼近算法，提高了系统的定位精度；利用小波变换的多分辨率分解和重构技术，对采集到的管道发生泄漏时产生的负压波信号进行了降噪处理；并利用小波变换技术对信号奇异点的快速、准确的识别能力，对经上述消噪后的负压波信号进行了奇异点捕捉，精确捕捉的结果提高了定位公式中上下游站点采集到的负压波奇异点的时间差△t的精度，从而进一步提高了定位的精度；考虑到小波变换是一种基波可变的信号分析工具，也就是说，不同的小波基波对信号分析的结果将有很大差别，这势必影响最终的处理结果，因此，我们又对比分析了本课题中小波基及尺度的选择问题，依据规则性系数相似性原理对母小波的选择进行了探索性研究；最后，还提出了基于SCADA的泄漏检测与定位系统的软件开发构想及系统的嵌入方案。

Results The diagnostic accuracy of cut film with conventional AP and lateral views was 80.5%, the diagnostic accuracy of cine film with angulated views was 90.0% and the diagnostic accuracy of DSA using non-ionic contrast medium with angulated views was 96.5%.

结果用快速换片心血管造影设备和常规正侧位元投照时的儿童先天性心脏病心血管造影诊断符合率为80.5%，用电影心血管造影设备和轴位元成角投照技术时的造影诊断符合率为90.0%，采用数字减影心血管造影设备，轴位成角投照技术和非离子型对比剂时的造影诊断符合率为96.5%。

So the conformal transformation model for the image rectification is taken as a beginning to deduce the relation between the accuracy of an arbitrary point and the accuracy of control points, besides, according to such relation, the inverse distance power method is used to give the spatial interpolation for the image rectification accuracy, which also achieved the interpolation value in x or y directions.

并以相似变换作为影像纠正的基本模型，推导了纠正后任意点精度与控制点精度的关系，基於此选择采用空间插值方法，插值影像纠正后任意点不同方向上的点位的精度。

In these processes, we have proved that the positioning accuracy of the REV-2000 we used has already reached decimeter level. If the accuracy of carrier phase can be improved, positioning accuracy may become better then decimeter level.

以上实验证实REV-2000接收模组经本文所提处理流程对於相对定位精度均已可达公寸级，若相位观测量精度能有所改善，则定位精度应可进一步提升。

In the device, a four-post frame was adopted, two synchronously rotating grip holders were used to realize rigidity rotation of the specimen, and the axial movement of the upper grip holder implemented the tension/compression loading. Positioning accuracy in the axis, radial and circumferential directions were achieved by adopting many advanced and delicate technologies. Measurement on the device indicated that the actual positioning accuracy of the device was better than the kinematic positioning accuracy. Evaluation test on the system indicated that the spatial resolution is better than the pixel size without considering the noise.

该装置采用了四柱式框架结构，采用上下夹头同步转动实现试件相对于框架的刚性转动；上夹头作相对于框架的轴向运动实现对试件的加载；在加载和转动装置中采用了诸多高精技术，实现了试件高精度的轴向定位、径向定位和刚性角度定位；对装置的精度检测表明其实际的定位精度优于运动学定位精度要求；对系统的计量考评初步表明，系统不计噪声的空间分辨率优于X射线CCD的像素10.9μm。

Result: Appearing rate of case in the group is examined 100%; TNM phased rate of accuracy is 91%; it is 95% to assess accuracy before the operation; the examining out rate of lymph gland is 96%; the rate of accuracy is 100%, the same as operation result.

结果：本组病例病灶检出率100％，TNM分期准确率为91％，术前评估准确性为95％，淋巴结检出率为96％，准确率为100％，与手术结果相同。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。