查询词典 target arrow

In this chapter, three kinds of target recognition methods are performed, which are:①Target recognition method based on the description of polarization parameter plane. The echo polarization states of target are projected onto the polarization state plane described by the ellipticity ε and the tilt angle τ of the polarization ellipse, the change of parameter following ferquency becomes the chart. According to the changing trait of the chart, the multidimensional polarization feature space of target has been contructed. Furthermore, a series of polarization feature parameters used in designing the structure of target recognition device are extracted, and they are insensible to the posture of target.②Target recognition method based on the description of Poincare polarization sphere. The echo polarization states of target expressed by Stokes vector are projected onto the Poincare polarization sphere. The conception of polarization ferquency stability, which is used in describing the dynamic distribution characteristics of the target echo polarization states on Poincare polarization sphere, has been defined. A group of polarization feature parameters used in designing the structure of target recognition device are extracted, and they are insensible to the posture of target.③Target recognition method based on the description of frequency sensitivity. In accordance with the conception of the polarization state distance defined on Poincare polarization sphere, the frequency sensibility of the physical structure property of target has been investigated, the frequency distribution feature curves in PSD domain are obtained, and targets'features are extracted by means of the curve-fitting method with Least Square Criterion.

这章具体研究了基于三种极化散射特性描述的相应的目标识别方法：①基于极化参数平面描述的目标识别方法，将目标回波极化状态投影到以极化椭圆参数，即椭圆率角ε和倾角τ表征的极化状态平面上，参数随观测频率的变化就形成了图，根据图的变化特点构造了目标的多维极化特征空间，并提取了不敏感目标姿态变化的极化特征参数组来设计目标的识别器结构；②基于Poincare极化球面描述的目标识别方法，采用Stokes矢量表征目标回波的极化状态，并将其投影到描述极化状态的Poincare极化球面上，定义了极化频率稳定度的概念用以刻画目标回波极化状态在Poincare极化球面上的动态分布信息，提取了准方位不变性的目标极化特征，最后设计了目标的识别器结构；③基于频率敏感性描述的目标识别方法，通过在Poincare极化球面上所定义的极化状态距离的概念，研究的是复杂目标物理结构特性对探测信号频率的敏感程度问题，获得了在极化状态距离下的频率分布特性曲线，采用最小二乘估计曲线拟合方法，它既用于极化特征的降维，同时又直接将拟合参数作为目标的分类特征。

This text from analyze the basic theories of the target management to commence, study basic method and steps of the teacher troops target management of the implement military school, and began to set up the teacher troops target management system of the military school from here, putting forward the system to set up of limit and excellent turn the measure; Around the system set up, in a specific way divided the line the implement target management of layer structure, designed the workflow of the teacher troops target management of military school, set up the index sign system of the teacher troops target management of the military school; In completing the foundation of the teacher troops target management index sign system of set up the military school, according to manage the analysis of the index sign contents to the teacher troops target of the military school, adopt AHP and layers to analyze the method to make sure its index sign main factor and its powers.

本文立足军校教员队伍目标管理的概念和基本理论，研究了实施目标管理的基本方法与步骤，并由此着手构建了目标管理体系，提出了体系构建的局限和优化措施；围绕体系构建，界定了体系概念，确定了管理模式，划分了实施目标管理的层次结构，设计了军校教员队伍目标管理的工作流程，构建了军校教员队伍目标管理的指标体系：在完成构建军校教员队伍目标管理指标体系的基础上，根据对目标管理指标内容的分析，采用德尔菲法和层次分析法确定了其指标要素及其权，并加以实例验证。

One Player Hit: space Left:arrow left Right:arrow right Jump: hold and release arrow up for more height Splits:arrow down Play vollyball,!

一名球员点击率：空间左：左箭头右：右箭头转到：保持和释放更多的箭头为高度分割：箭头向下播放排球，！

A character-codes model based pattern recognition method by using amplitude data of targets frequency response is proposed after the establishment of high frequency response equation of radar targets. The method uses the same unvariant character-codes to express the same target of different angles and uses sequential separating of regions of target's reference variables to obtain multiple coding vectors of all regions for every target. The category and pose of target can be determined after a two-staged classification processing such as coding processing of target range profile data and errors correcting processing of coded data. The two-stage classification results are used to target identification as posterior hypothesis to be tested by sufficient convincing and necessary convincing. The character-codes model based pattern recognition method is also adaptive to variation of target angles and controllable in error probability. Time-consuming and complicated iterative computation is not necessary in the train process of pattern recognition.

首先建立了雷达目标的高频频率响应方程，这种方程将目标多散射中心理论与目标局部谐振理论有机地结合起来；进而提出了目标多频响应结构成像方法，这种方法将瑞利区频率响应或谐振区频率响应曲线的不同部位用各种不同的近似方法去逼近，通过特征谱估计方法将目标的局部频响特征与宽带距离响应特征结合起来；然后提出了一种基于姿态角变化区域的序贯划分与多模匹配的特征编码识别方法，这种方法具有能适应目标姿态角的变化以及能控制识别的差错概率α等优点，在目标识别时只需要目标在少数有限个频率激励下的幅频响应数据。

The manufacturer specializing in the production of magnetic security Dart target, magnetic shutter Dart target, velvet magic dart target, paper cloth Dart target, CD box Dart target, EVA Dart target, the international rubber game, Bing Xiangtie, car stickers, outdoor advertising stickers, magnetic Photo Frame, Dijiao Bingxiang Tie, health magnetic insoles, the compass, NdFeB and ferrite, permanent magnet plastic sheet / roll, the iron film material / roll, I have been Secretary of Dart target patent applications , Quality assurance, cheap, but also according to customer design specifications of a different material products and products in the printing company logo.

本厂家专业生产磁性安全飞镖靶，磁性卷帘飞镖靶，绒布魔术镖靶，纸布飞镖靶，CD盒飞镖靶，EVA飞镖靶，国际橡棋，冰箱贴，汽车贴，户外广告贴，磁性相框，滴胶冰箱贴，磁性保健鞋垫，指南针，钕铁硼和铁氧体，塑胶永磁片材/卷材，铁粉胶片材/卷材，我司的飞镖靶已有申请专利，品质保证，价格便宜，也可根据客户要求设计不同材质有规格的产品，且可以在产品上印刷公司logo。

In some conventional fan revolution speed control methods, variable control of the number of revolutions of a cooling fan is performed by a process comprising steps of detecting an actual temperature of cooling target fluid, ie fluid to be cooled by the cooling fan, such as hydraulic oil and circulating radiator cooling water for cooling an engine (such cooling water is hereinafter referred to as coolant), determining a target fan revolution speed by a system of a proportional integral control unit based on the difference between the actual temperature detected and a target temperature, and changing the fan revolution speed based on the target fan revolution speed so as to bring the actual temperature of the cooling target fluid down to the target temperature.

在一些传统风扇转速控制方法，控制变量的数目革命的一个冷却风扇，是由一个过程组成的步骤检测到一个实际温度冷却目标流体，即流体被冷却，由冷却风扇，如液压石油和散热器循环冷却水用于冷却发动机（如冷却水是以下简称为制冷剂），确定一个目标风扇转速由一个系统的比例积分控制单元基础上的差异，实际温度检测和目标温度，并改变风扇转速的基础上，针对风扇转速，使实际温度的冷却液指标下降到目标温度。

He laid the notch of the arrow on the oxhide bowstring, and drew both notch and string to his breast till the arrow-head was near the bow; then when the bow was arched into a half-circle he let fly, and the bow twanged, and the string sang as the arrow flew gladly on over the heads of the throng.

他运气开弓，紧捏着箭的糟口和牛筋做就的弓弦，弦线紧贴着胸口，铁的箭镞碰到了弓杆。他把兵器拉成了一个拱环，借大的弯弓鸣叫呻喊，弦线高歌作响，羽箭顶着锋快的头镞飞射出去，挟着暴怒，呼啸着扑向前面的人群。

The button with the arrow pointing left promotes the list entry by one level (for example from Outline 3 to Outline 2), the right arrow button demotes the list entry by one level, the up and down arrow buttons move the list entry.

指向左的箭头按钮将列表项提升一级（例如从大纲3提升到大纲2），指向右的箭头按钮将列表项降低一个层次，向上和向下箭头按钮移动列表项。

The button with the arrow pointing left promotes the list entry by one level (for example from Outline 3 to Outline 2), the right arrow button demotes the list entry by one level, the up and down arrow buttons move the list entry.

使用文本格式编辑工具栏中的四个箭头按钮来移动文本至合适的位置，并以合适的大纲级别来对文本进行编辑。左箭头按钮用於放大一级串列项，右箭头用於减小一级串列项，上下箭头用於上下移动串列项。

The button with the arrow pointing left promotes the list entry by one level (for example from Outline 3 to Outline 2), the right arrow button demotes the list entry by one level, the up and down arrow buttons move the list entry.

使用文本格式编辑工具栏中的四个箭头按钮来移动文本至合适的位置，并以合适的大纲级别来对文本进行编辑。左箭头按钮用於放大一级串行项，右箭头用於减小一级串行项，上下箭头用於上下移动串行项。

Those who loved reading were obliged to send for their books from England; the members of the junto had each a few

那些喜欢看书的人就得从英国购书，讲读俱乐部的的成员每人都有几本。

Three fourths of the earth's surface is covered with water.

地球表面的四分之三被水覆盖着。