beam scanning造句

• The beam scans a circular area in the form of a sector which sweeps around and around .
  这波束周而复始地呈扇形扫视一个园形区域。
• The flashlight ' s beam scanned every corner of the room
  手电筒的光束扫遍屋内各个角落
• Acoustical holography by electron - beam scanning
  电子束扫描声全息
• Ebs electron beam scanning system
  电子束扫描系统
• Beam scanning and wind field measurement of direct - detection doppler lidar
  激光多脉冲探测的计算机模拟与实验研究
• The interlayer fusion metallurgy technology based on electron beam scanning control
  基于电子束扫描控制的中间层熔炼技术
• This paper regards narrow fan - beam scan mode as multi - detector parallel beam scan mode
  本论文将窄角扇束扫描看成是多探头的平行束扫描。
• In this paper , the author attempts to discuss two main problems of convolution back projection algorithm basing on fan - beam scanning
  本文主要探讨了卷积反投影算法的两个核心问题：卷积窗函数与内插函数。
• Its image reconstruction belongs to the image reconstruction under narrow fan - beam scan mode . after comparing different algorithms , this paper introduces convolution back projection algorithm for the parallel image reconstruction
  采用高能直线加速器作为射线源的高能x射线工业ct机多采用窄角扇束扫描方式，其图像重建属窄角扇束扫描方式下的图像重建。
• The serpentine feed is the core of a frequency scanning antenna feed system , which produce proper amplitude and phase distribution for the antenna arrays . most of all , it make the beam scanning over a large angle range by means of changing operating frequency
  它为天线阵提供要求的幅度、相位分布，更为重要的是当频率发生少许变化时使线源的等相位面产生显著的倾斜，完成波束在空间扫描。
• The results of simulation show the resolution based on two - dim spectrum method is 2 times high than that based on two - dim fft . 3 a method of determining the highness of an ideal object by beam scanning in the vertical plane and amplitude comparison
  比较了二维music算法和基于二维fft的目标参量测定方法，仿真表明，在相同条件下，基于二维谱估计的方法比基于二维fft的方法目标分辨率可提高一倍。
• Popular automotive anticollision radar is required to measure the velocity and angle of its targets as well as range . therefore , the short - wavelength high - resolution millimeter wave is used , measuring range and velocity through fmcw scheme , measuring angle through multi - beam scanning
  通行的汽车防撞雷达采用了波长短、测量精度高的毫米波，以调频连续波制式测量距离和速度，以多波束扫描的方式测量角度。
• Ultrasonic bio - instrumentation has several display modes used in medicinal field now , such as b - mode and m - mode , etc . b - mode uses the modulated brightness to represent the amplitudes of ultrasonic echoes , and the coordinates in the formed profiles correspond to positions of ultrasonic beam scans one by one
  B型显示是用亮度调制来显示回波脉冲幅度，显示的横轴和纵轴与声束扫描的位置一一对应，形成超声切面图像。
• Abstract : in this paper , the hardware of micro - computer controlling systems for “ vibrating mirror ” driver and switch power supply of co2 laser cosmetic instrument are presented , the automatic digital display system and the softwares about the flow diagram of laser beam scanning are described
  文摘:本文研究设计了co2激光去皱美容仪振镜驱动器、激光器电源的控制系统及显示系统的硬件电路,设计了多种驱动激光扫描图形的软件。
• Firstly , the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti , which including the study of methods of two - channel equilibrium , that of the precious estimate of beam scanning angle , that of the doppler center , that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method
  首先，结合动目标检测方法，对机载远程战场侦察雷达实验系统录取的双通道数据的处理进行了研究。内容包括两通道均衡方法研究，波束扫描角精确估计方法研究，多普勒中心估计方法研究，方向图误差补偿方法研究，动目标的检测和干涉定位方法研究。
• When x - ict detects large industrial parts and requires high resolving power , image reconstruction of x - ict has huge pixel matrix and the amount of calculation increases greatly resulting in much more time of image reconstruction . this paper proposes the parallel image reconstruction based on workstations cluster to solve fast image reconstruction of high power x - ict this paper presents the relevant basic theories and principles of ict and image reconstruction , including scan mode and image reconstruction algorithm . high power x - ict which adopts powerful beeline accelerator as radial source often uses narrow fan - beam scan mode
  工业ct机检测对象为大型工业构件并且要求高分辨率时，图像重建的像素点阵巨大，计算量大大增加，从而图像重建时间过长。本论文提出用在工作站机群上的多机并行工作的并行图像重建解决高能x射线工业ct机的快速图像重建问题。本论文介绍了工业ct和图像重建的基本理论、基本原理等有关内容，包括扫描方式和图像重建算法。
• Lc apparatus almost meet all the needs of space optical communication such as weight , size , power consume , life , cost , driving voltage , intergration of optics and electricity , programe , optically take ? over aperture , beam scanning , deflexional range and so on . switches , deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication . the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate . but it is practical for them to be used in special beam capture , scan , deflexion controling which don ’ t concerned with code rate and code type
  液晶器件几乎满足空间光通信的所有大的指标要求如重量、尺寸、功耗、寿命、成本、驱动电压、光电集成、可编程性、光学接收孔径、光束扫描和偏转范围等等。液晶光开关、光偏转器、光扫描器已经开始应用于光纤通信的实验系统中。液晶类器件应用于光通信的唯一重大缺陷,是其响应速度目前只能达到微秒级或亚微秒级,不过,在不涉及到码型码率的空间光束捕获、扫描、偏转、控制方面,液晶器件完全可能进入实用化。
• The using of dbs into the gmti mode of battlefield awareness radar adopting beam scanning may get the ground scene image at large area , at the same time , making gmti and marking the moving target on scene image . dbs is a kind of technique which improves the resolution of airborne radar
  把多普勒波束锐化（ dbs ）技术用于波束扫描的战场感知雷达的地面动目标检测模式，可以快速得到大面积的低分辨地面场景图像，而且可同时进行地面动目标检测，并把动目标标定到场景图像上。
• Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon . some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect . the far - field asymmetry of the scanning field has been discussed
  文摘:应用几何光学理论研究了多光束转镜扫描场的非对称性，导出多光束扫描入射点位置矢量、反射线标量表达式、观察面上的扫描轨迹方程，并研究了扫描远场的非对称性。
• Compared to other traditional rotating mirror scanning system and acoustic - optical scanning system , its scanning speed is faster and it can also offer higher resolution . in the same time , it offers precise stabilization and random - access optical beam scanning . it can satisfy the need of high - speed scanning systems , for example , high - resolution laser tv , high - speed printer and laser radar , and so on
  光学相控阵是一种新型的光扫描技术，它同传统的转镜扫描、声光扫描等扫描技术相比具有扫描速度快、分辨率高和随机存取等优点，可以满足高清晰度激光电视、高速激光打印机、激光雷达等高速扫描的要求。