扫描

At first,there are three kinds of satellite recon information flow models are built,they are focus,narrow bar scan and wide bar scan.And the examples of them are given according the parameters of "Starlite" recon satellite constellation of USA.Secondly,the information capacity of the recon-sat storage without satellite transmission network is simulated and computed,which illustrates satellite transmission network is necessary.Lastly,the transmission of satellite recon information through a satellite transmission network is simulated and some primary simulation conclusions are given.

首先建立聚束、窄条带扫描、宽条带扫描等三种模式的卫星侦察业务流量模型，并参考美国Starlite侦察卫星星座的指标参数进行了计算举例；其次仿真计算了无卫星传输网络时侦察卫星星载存储器的信息量状况，指出卫星传输网络的必要性；最后仿真卫星侦察信息在卫星传输网络下的传输情况，并给出初步的仿真结论。

Analyse the technology principle of program tracking, step-in tracking, conical scan tracking and singleshot tracking, and contrast the advantage and disadvantage of them. Select program tracking and conical scan tracking considering performance and cost.

二、对程序跟踪、步进跟踪、圆锥扫描跟踪和单脉冲跟踪这四种自动跟踪技术的原理进行了具体的分析，并比较了它们各自的优缺点，从性价比的角度，选择了程序跟踪与圆锥扫描跟踪相结合的方式。

In the pH=7.00 phosphate buffer solution, a detailed study of diethyl stilbestrol's electrical behavior has been done at the MWNT /graphite modified electrode. The results show that: the diethyl stilbestrol can generate a sensitive oxidation peak at about +0.375V and a weak reduction peak at about +0.095V on the MWNT /graphite modified electrode respectively.

在pH=7.00的磷酸盐缓冲溶液中，利用MWNT/石墨修饰电极，系统研究了该修饰电极对己烯雌酚的氧化，阳极扫描过程中，在+0.375V出现一个灵敏的氧化峰，阴极扫描过程中，在+0.095V出现一个还原峰。

Firstly,the paper briefly presented the imaging system's aliasing effect as a result of subsampling and the theory of reducing aliasing effect by increasing sampling frequency.

文章简要地阐述了成像系统由于欠采样所带来的混叠效应，以及微扫描成像技术提高采样频率以减小混叠效应的原理，分析了微扫描工作模式和成像过程，然后介绍了几种典型光学微扫描器的实现方式。

METHODS: Five plaster supramaxillary abutment tooth models were scanned and reconstructed by 3D laser scanner.

采用激光扫描仪对上颌1，2，3，5，6共5颗牙的基牙预备体石膏代型进行三维扫描，并用Surfacer软件测量相关指标，用游标卡尺在石膏代型上测量基牙预备体的各个相关指标，用三种不同的方法分析系统的可靠性、可重复性以及扫描精度。

METHODS: Five plaster supramaxillary abutment tooth models were scanned and reconstructed by 3D laser scanner. The 3D shape of the models was measured by Surfacer10.5 software and the plaster models were measured manually with vernier caliper. The data were statistically analyzed.

采用激光扫描仪对上颌1，2，3，5，6共5颗牙的基牙预备体石膏代型进行三维扫描，并用Surfacer软件测量相关指标，用游标卡尺在石膏代型上测量基牙预备体的各个相关指标，用三种不同的方法分析系统的可靠性、可重复性以及扫描精度。

The specific capacitance for the nano-NiO/C composite electrode is influenced by the concentration of KOH and sweep rate and high electrolyte concentrations and low sweep rates leads to a high specific capacitance.

结果表明，纳米NiO/C复合电极的比电容受KOH浓度和扫描速度的影响，高的电解质浓度和低的扫描速度有助于获得高的比电容。

By controlling the bias voltage sweep in certain fast sweep rate range,a novel current peak is observed in the current-voltage characteristics measured on individual GeSi quantum dots.

在量子点的I-V特性曲线中，有明显的电流峰产生，对应的载流子充放电过程速度极快，只能在快速的扫描过程中才能捕获到，因此在一般常规的稳态扫描中观察不到。

The numerical results revealed the following phenomena: For the linear sweep voltage, the field-enhanced effect retards the progress of the MOS capacitance, and the lower voltage sweep rate, the larger influence of fieldenhanced effect.

数值分析首次揭示了下述现象：对于线性电压扫描作用下MOS结构的电容瞬态特性：电场增强产生效应阻碍着MOS结构电容的下降，这种作用在较低的电压扫描率下更明显。

The basic theories of mathematical morphology for binary image are stated, and the most simple structure elements of morphologic transformation for binary images are proposed and proved. The geodetic morphologic transformation models are also developed. For the purpose of improving the speed of transformation in computer, the"set symmetric difference"is introduced to adapt each model. Some new morphologic filtering models and quantitative evaluating model of filtering effects in image processing are proposed, under the applied condition. The morphologic thinning methods are studied, and two new morphologic thinning models are developed. On the basis of analyzing the characteristics of mining maps, the image vectorizing tactics and a series of algorithms are proposed, including dynamic adaptive image thresholding using two thresholds, graphic and text separation, noise removal, and multi elements extracting models with mathematical morphology. Accuracy preserving compressed vectorizing model for image vectorization is put forward to generate vector data in multi layer.

论文对二值图象形态学的基础理论进行了较系统的阐述，提出并证明了二值图象处理中形态变换的最简单结构元素，并发展了测地形态变换模型；为了提高形态变换的计算机实现速度，引入了集合论中"对称差"的概念对各形态变换模型进行了改化；针对数学形态学在图象处理中的实际应用，提出了新的形态滤波模型及滤波效果的度量评价模型；研究了形态细化方法，提出了快速形态细化和保形快速形态细化算法；在研究矿图基本特征基础上，提出了人机协同矿图扫描图象矢量化处理策略及一系列扫描图象处理算法模型，包括双阈值动态自适应图象二值化、图文分离、噪声去除、图面多种要素提取形态变换模型等；在图象栅格—矢量转换中，提出了保精度压缩矢量化模型，以生成分层要素矢量数据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。