查询词典 data point

In this paper,a way of the prediction of missile impact point based on telemetry data is presented.

引 言导弹的外弹道测量需要使用外测设备对导弹进行跟踪和外测，这些跟踪和观测受天候影响较大。

The results of simulating calculation show that the error of impacting point prediction by use of telemetry data is very large.

计算结果表明，仅仅利用遥测数据进行导弹落点预测有很大的误差，必须结合外测手段才能做出较为准确的落点预测

Geographic information system; Tessellation Polygon ; area interpolation method ; point based data

地理信息系统；泰森多边形；区域插值；点源数据

Sweeps are performed the set number of times, the maximum value of each point of trace data is

执 设定之扫描之，追踪据每点之最大值点展示，然后扫描即停止

In this paper, total logistics amounts are chosen as evaluation index, and artificial time series are designed to solve the shortness of statistical data in Chinese logistics. Spectrum estimation theory depicts time characteristics in frequency domain thus has such benefit than time domain methods. This paper evaluates the period of Chinese logistics using spectrum estimation. Stationarity of artificial series is verified, parameter sensitivity of truncation point is analyzed, six periods with different delay window are compared, and significance of period evaluated is tested.

中国物流统计数据缺乏，客观上限制了对其周期规律的研究，本文选取社会物流总额作为测度指标，设计了一种人工序列，解决了统计数据过短问题；谱估计法从频域角度揭示客观事物的时间特性，在研究时间序列周期波动方面具有时域分析法所不具备的优势，作者采用谱估计法对中国物流发展周期进行测定，检验了指标序列平稳性，分析了截断点参数灵敏度，比较了6种不同滞后窗下周期值，并检验了所测得周期的显著性。

This paper narrates the theory method to determine measuring point s in the ubiety of center of road of first easement curve segment,circle curve segment and second easement curve segment,gives the source program of PC-E500 computer and explains data format in it.

讲述判定测点在道路中线第一缓和曲线段、圆曲线段、第二缓和曲线段的位置关系的理论方法，给出相应的PC-E500源程序，并对数据格式进行说明。

Avrami and Ozawa equations were used to analyze the experiment data in this study. Because the melting point of PBS is high and the mechanical properties are worse. In addition, the PTS is uncrystallized. Therefore, PBS and PTS were mixed to improve their properties. PBS containing 5wt% PTS can be able to reduce the crystallization performance, and make the polymer strength to enhance. Furthermore, the brittle fracture situation of PBS is also improved simultaneously.

本研究运用等温结晶分析使用的Avrami 方程式以及Ozawa 方程式，分析实验所得的数据，因为PBS 的熔点较高，机械性能较差，加上PTS 几乎不结晶的特性，因此将PBS 及PTS 以不同比例混掺的方式，对PBS 进行分析研究，结果发现，加入5wt% PTS的共聚酯能够明显的降低结晶性能，进而使聚合物的拉伸强度提高，同时脆性断裂的情况也得到改善。

Methods:Three-dimensional(3D) CT imaging reconstruction was performed in 200case of cervical spine without radicular symptom and injury.C_3-C_7 vertebral body horizontal diameter, sagittal diameter,high.vertebral gap.pedicle vertical diameter and horizontal diameter,coronary high,base long of vertebral uncus,space between vertebral uncus point.highness and width of intervertebral foramenand,transverse foramen,The CT data was transferred to a computer workstation,grouping with age and sex,statistical analysis.

材料与方法：选取200名不同年龄段无外伤、无神经症状和体征的受检者，进行多排螺旋CT薄层扫描，在计算机工作站上对获得图像进行多平面重建，获得相应截面图后，测量各相关指标，包括第3至第7颈椎(C_3-C_7)椎体横径、矢状径及高，椎体间隙，椎弓根的高与宽，冠状位钩突高度、钩突基底宽度、基底长、两侧钩突尖间距及基底长径角度，椎间孔高和宽，横突孔长和宽。按性别、年龄分组进行统计学分析。

This text analyses experiment data and emulate undulate mode! of the signal based on statistical character from the point of matrix and relativity.

本文通过对实验数据的分析，基于实验数据的统计特征量，从矩和相关性这两种统计量来仿真信号的起伏模型。

The status quo of high-resolution data acquisition system is discussed and by studying the character of high-resolution seismic exploration and seismic signal, the theoretical models and character of each unit are gained. This paper point out that under 1000 meter's depth where petroleum is embedded the IDR of central controlled seismic instrument and telemetricseismic instrument are lower than 70dB which can't meet the needs of high-resolution seismic exploration.

文章论述了当代高分辨率地震数据采集系统的现状，对高分辨率地震勘探及地震信号特点进行了研究，得出了高分辨率地震勘探数据采集系统的理论模型和各功能单元的理论特性，指出在石油与天然气埋藏的千米以下的地层，集中式数字地震仪和24位遥测地震仪的瞬时动态范围均不超过70dB，远远满足不了高分辨率地震勘探的需要。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。