介绍飞机表面划痕非接触测量的激光三角扫描法。
In this paper a laser triangulation scanning method for the non-contact measurement of scratches on aircraft skins and aircraft window surfaces is described.
该系统使用了介质分束片，可以方便地进行散射角扫描。
Dielectric beam splitter was employed in this system, which facilitates the scan of scattering Angle.
介绍了全新概念的低温压电角扫描器(PZTA)的理论特性和制作技术。
The theory characteristics and the making technique of a novel piezoelectric optical Angle scanner (PZTA) are introduced in this paper.
相控阵雷达天线在进行宽带宽角扫描时，天线波束会“色散”，使得到的距离像展宽，从而降低了系统分辨率。
When phased array radar operates in wideband wide scan condition, the antenna beam is dispersed and thus the distance profile is broadened.
数字相控阵雷达宽带宽角扫描存在波束指向偏差和孔径渡越问题，导致信噪比降低，脉压主瓣展宽，距离分辨率下降。
The wide-band digital array radar (WDAR), which accomplishes the transform between digital data and analog signal in the radar array, is the trend of the development of the phased array rader.
但是，基于移相器的普通相控阵天线在进行宽带宽角扫描时，由于渡越时间和孔径效应的影响，使信号的瞬时带宽受限。
However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect.
所得结果表明，可以通过对激励的控制，实现阵列的宽角扫描能力，这对短波lpda相控阵的设计具有一定的指导意义。
The results obtained prove that wide Angle scanned arrays can be realized through controlling the excitations. And the results can be instructional on designing short wave phased LPDA arrays.
直到不久之前，美联储的扫描仪器仍然无法辨认折痕和裂口，所以这些旧钞，无论是卷角的或是已经磨损的，都在堆积后被消灭掉。
Until recently, notes were simply stacked facedown and destroyed, as were dog-eared notes, because the Fed’s scanning equipment could not distinguish between creases and tears.
五角大楼承认，在2009—2010年以前，很多可能患有隐性的创伤性脑损伤的士兵从来都没有接受过脑震荡后的头颅扫描。
By the Pentagon's own admission, many soldiers who likely suffered this invisible form of TBI were never screened for concussions prior to 2009-2010.
所有这些儿童足迹以及在奎塞三角洲(khuiseb delta)发现的好几十个人类足迹都使用光学激光扫描仪详细记录下来存放在数字档案中。
All of the children's footprints, along with scores more human tracks in the Khuiseb Delta, are being recorded in detail with an optical laser scanner and are to be placed in a digital archive.
以线性调频信号为例，揭示窄带相控阵在大孔径宽扫描角情况下不能有效发射宽带高分辨信号的实质。
The essence of the fact that wideband signal can not be effectively transmitted using narrowband phased array in scenarios with large aperture and scan Angle is given.
本文基于棱镜折射原理，提出一种用来放大相控阵天线扫描角的无源透镜。
A passive lens based on the prismatic refraction principle proposed to amplify the scan Angle of a phased array.
文章提出了一种基于扫描优角顶点概念和单调剖分思想，对复杂零件测量路径进行优化的方法。
A measurement path optimization method is proposed in this paper which is based on the concept of scan reflex-vertex and the idea of monotony segmentation.
对圆柱面——平面型平凹柱透镜和棱镜的扫描角放大特性进行了分析比较。
The planoconcave cylinder lens and prism properties of angular magnification in light scanning are analysed in the paper.
椭圆是由其边框定义的；弧是椭圆的一部分，由一个起始角和一个扫描角定义。
An ellipse is defined by its bounding rectangle; an arc is a portion of an ellipse defined by a starting Angle and a sweep Angle.
由于孔径效应和孔径渡越时间的限制，传统的相控阵雷达难以在大扫描角下实现大瞬时带宽。
Due to the restriction of aperture effect and the aperture traverse delay, it is difficult for a conventional phased array radar to get wide instantaneous bandwidth under wide scan scope.
针对以上问题，提出了一种基于三角形重心扫描的改进APIT算法。
In allusion to the problems mentioned above, an improved APIT algorithm based on triangle-center scan is proposed.
在信号过程线性的前提下，根据强度象的瑞利判据建议扫描激光雷达角分辨本领公式。
With the premise of linearizing for the signal process, an equation for the angular resolution of the scanning laser radar is recommended according to the Rayleigh′s criterion for the intensity image.
本文讨论用微处理机(单板机或单片机)实现一种线扫描雷达的测角系统。
In this paper, as a unit of a linear scanning radar, an angle-measuring system made up of a microcomputer (single-board or monolithic) is discussed.
对于几种排列方案所作的计算表明，利用不均等的元素间距可以在一定程度上控制天线元输入阻抗随着扫描角的变化规律。这可能是解决互耦困难的一种途径。
Several examples are given to show that by properly adjusting the distances between elements, the variation of input impedance of the central element as function of scan angle may be controlled.
研究人员利用电脑程序对每张扫描图颌骨的长度、宽度及下颌角进行了测量，并对各组进行了比较。
Researchers used a computer program to measure the length, width, and Angle of the mandible, or jaw bone, for each scan, and compare the results for each group.
古德温让我们看CT扫描结果，用羊的头骨同角龙的进行比较。显示表明，角龙的角并不是像我们之前看到过的那种用来应对很强的冲击力的角。
Goodwin takes us through CT scans and compares ceratopsian and sheep skulls to show they were not designed for the type of impact we're used to seeing.
平面阵列的最大可能扫描角受到一定限制。
Planar arrays have the fundamental limitation on the maximum possible scan Angle.
报道一种微机控制带恒能量同步扫描和可变角同步扫描的多功能荧光分光计。
A new microcomputer-controlled versatile spectrofluorometer with the function of constant energy and variable-angle synchronous scanning has been developed.
如果阵元间距过大，最大扫描角会受到的栅瓣的限制。
If they are placed further apart, the maximum scan Angle is limited by grating lobes.
针对双圆锥扫描式红外地平仪因无刷直流扫描电机转速不均匀造成的姿态角测量误差进行了研究。
Attitude measurement errors of the double cone scanning infrared earth sensor caused by brushless DC motor speed asymmetry was researched.
因此，扫描角会增加同时栅瓣现象会减少。
Thus, the scan angle is increased and the grating lobe phenomenon is reduced.
高能X射线工业CT机的图像重建属窄角扇束扫描方式下的图像重建。
The image reconstruction of industrial X-CT belongs to image reconstruction with narrow fan-beam scan mode.
介绍了激光扫描系统的原理，三角法测量原理，激光扫描仪的结构特征以及曲面拟合有关问题。
The principle of the laser scanning system, principle of triangulation measuring method, the structure characteristics and the relative affairs about surface fitting of laser scanner are introduced.
子弹的结构参数、转速对扫描角的摆动影响较大，通过调整子弹结构参数，可减小扫描角的摆幅。
The oscillation of scanning Angle is much influenced by the structure of bullet parameters and SOR. By adjusting the structure of bullet parameters, the oscillation amplitude can be decreased.
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