查询词典 target frame

But, in the natural and artificial signal, a lot of signal phases don\'tvary linearly with time, for example, we usually use chirp signal in the radar technology,frequency step signal, linear modulation component of the ground echo in the SARtechnology, linear modulation component of the moving target echo, linear modulationcomponent while the airborn radar detecting the moving target, etc.

在自然界和人工信号中，许多信号的相位变化并不是随时间一次方变化，如雷达技术中常用的线性调频信号，频率步进信号，另外，SAR 技术中，地面回波所含有的线性调频分量，ISAR技术中，运动目标的回波所含有的线性调频分量，机载雷达探测运动目标时的线性调频分量，等等；傅里叶变换对此类信号分析所得的结果是信号在不同频率点上的能量分布，即信号在基函数上的投影。

The object of projectile design is analyzed, and the layer-TOPSIS method is provided for the evaluation of total effectiveness by taking the layer concept into the TOPSIS method. In the calculation of object weights, the grade calculation method is suggested, which has less dependence on the subjectivity of decision-maker and can take account of both sensitivity and allowableness of objects, the geometric-arithmetic method is provided for grade weight calculation and methods for sensitive weight and allowable weight are given. Of modes in system analyzing, the penetration model of target with spherical-fragment is carried out based on the theory of Dynamic Spherical Cavity Expansion, and it is a supplement of the models for calculation the damage of the fragmentation warhead to target.

对弹丸设计进行了目标分析；通过在TOPSIS方法中引入层次结构的概念，提出了适用于弹丸总体效能评价的层次TOPSIS评价方法；在指标权重计算中，提出了对决策者主观依赖较少的能反映指标的敏感性和相容性的分级权重计算方法；在分级权重计算中，分别给出了等比-等差权值计算方法和敏感-相容权值计算方法；在系统分析的模型中，对破片战斗部的威力计算中的模型进行了补充，在空穴膨胀理论的基础上提出了球形破片侵彻有限厚靶板的侵彻计算模型。

First, binary texture matrixes of horizontal and vertical direction were constructed in the template and target image, and then the prime matching result of the two directions was calculated according to the Alogical XOR logical operation in bytes and the final target correlation credibility was obtained by proportion sum at last.

在模板与目标图像中分别提取水平、垂直方向上的二值化纹理特征矩阵，然后根据字节同或逻辑运算分别计算两个方向上的最佳匹配值，最后，通过加权求和得到最终的目标相关置信度。

A three-axis electro-optical tracking system can be used to track any space target in all azimuth. It can rapidly and accurately track the target in the altazimuth zenith blind region by rotating X axis.

三轴光电跟踪系统可以全方位跟踪空间目标，在地平式光电跟踪系统天顶盲区内通过转动X轴实现快速高精度跟踪。

In addition, the backscattering directivity, frequency dependent characteristics of the target strength and the contribution of swimbladder to the composite target strength of anchovy are analyzed and discussed.

另外还对鲜鱼的反向散射指向性特征、目标强度的频率特征以及鱼鳔对鳀鱼整体目标强度的贡献等进行了分析与讨论。

Before target-entering into a horizontal well or in the process of drilling horizontal section,to confirm the controlling range of deviation angle and azimuth of hole section is not only an important measure to guarantee target rate and trajectory control accuracy of the horizontal well but also one of the important contents in trajectory supervision of the horizontal well.

在水平井入靶前或水平段钻井过程中，确定待钻井段井斜角和方位角的控制范围是保证水平井中靶和轨迹控制精度的关键，也是水平井井眼轨迹监控的一项重要内容。

This paper gives a combined algorithm of recognition for different simple geometric objects which is in a particular 3D scene, Meanwhile the distance between the target and mobile robot, and the deviation angle of the target relative to robot can be directly detected by using binocular cameras structure.

文章提出了在特定三维场景中，对不同研究对象采取不同处理方式的复合算法，实现了对于机器人视野内简单几何物体的识别，同时使用双目摄像机结构，直接探测出目标物体相对于机器人的深度距离及其方位角度。

There are two cases that result to angular motion between the axis of sighting system and target: one is the motion of the target; the other is the motion of the vehicle.

造成瞄准系统的光轴与目标之间的角运动有两种情况：一种是目标的运动，一种是载体的运动。

In this paper are analyzed the principle and use of target angular velocity sensor ,and the target s moving.

针对坦克火控系统中目标角速度传感器的原理和运用与目标实际运动情况分析，阐明了传感器测量目标角速度的误差原因，并给出提高测量角速度精度的措施。

Anole stands for the design target of the general development model in B2C e-business. The design target is that the web site developed by the general development model should be suited for all varied conditions of B2C e-business and should have capability of changing in runtime. Moreover, it should be easy for users to develop and change the web site.

变色龙形象反映了B2C电子商务系统通用开发模型的设计目标，即通用开发模型设计的网站可以适应所有的B2C电子商务应用环境，并且可以动态改变，而所有需要用户进行的操作都是简单易行的。

It also analyzes the feature and development of semi-finish grinding and finish grinding by roller press.

同时进行了辊压机半终粉磨和终粉磨系统的特点和发展分析。

When I got there, water was dripping slowly from the ceiling and forming a pool on the floor.

当我到那里的时候，水是慢慢地从天花板滴而且形成在地板上的一个池。