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With mechanically scanned systems, antenna inertia and inflexibility prevent employment of optimum radar beam positioning patterns that can reduce reaction times and increase target capacity. 机械扫描系统天线的惯性和刚性使之不能应用能够减少扫描时间和增加跟踪目标数量的最佳雷达波束扫描图形。
Unfortunately, some beam positions do not have the same phase shift in the reverse direction. 不幸的是有的波束位置在反射方向上没有相同的相移。
Beam positioning error budget in ICF driver ICF驱动器光束定位误差估计
Beam diagnostic devices including beam position, beam magnitude and beam radius diagnostic devices is widely used in Linear Induction Accelerator(LIA). 在直线感应加速器中，使用的有束流位置、大小、半径等参数的诊断装置。
This article discusses the principal, the structure and the experiment result of the Front-end electronic system of BPM(Beam Position Monitor) of NSRL. 摘要介绍了国家同步辐射实验室二期工程中的束团位置监测的前端电子学系统原理、结构和实验结果。
The system can be used to measure the offset of the beam position monitor (BPM) with respect to the magnetic center of a quadrupole. 利用该系统可以测量束流位置检测器的电中心相对相邻四极铁磁中心的位置偏移。
Furthermore,this paper discusses how to optimize the beam position by using the technology of Digital Beam Forming(DBF) in order to save time for scanning. 为了进一步节省扫描时间，还对如何利用数字波束形成（ D B F）技术实现优化进行了探讨。
Using the system, we can get analogical signal which contains the information of beam position's coordinates in order to provide for acquirement and data analysis. 利用此系统可以把确定束团位置坐标的模拟信号引出，供数据采集分析。
Abstract： Three stripline beam position monitors and some feed-throughs were developed to measure the position of beam non-imterceptively in test beam facility. 摘要：为实现试验束束流位置的非拦截测量，研制了3个条形电极束流位置探测器和一批真空定位子。
After three stripline beam position monitors were produced,calibrations of the monitors were carried out on a workbench,which has high precision and is controlled by a computer. 利用高定位精度电控精度电控位移平台对这3个探测器分别进行了标定，随后进行了束流初步试验。
This paper describes the design of a split photon beam position monitor at HLS (Hefei Light Source).Two methods of position processing are given and compared. 介绍了一种用于合肥光源的二分割三角型光位置检测器的设计，进行了位置信号的两种处理方法（和差比与对数比）的比较。
She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
His answer was right on the beam. 他的答案完全正确。
The BPM system in 100MeV linac includes BPM(Beam position monitor),BPM front-end electronics, BBC module,RF switch module and AD module. The BPM front-end electronics and the detailed design of the data acquisition system are presented in this paper. 100MeV直线加速器束流位置探测器系统包括BPM(Beam position monitor)、BPM前端电子学、基于束流的准直模块(Beam based calibration,BBC)、高频信号切换模块和AD模块。本文详细介绍了BPM前端电子学和数据采集系统设计。
Abstract： Digital signal processing (DSP) is widely used in the field of beam diagnostics.Especially, DSP achieves very good performance in beam position signal analysis and betatron tune measurement. 摘要：数字信号处理技术在现代束流诊断中有成熟的应用，特别是在束流位置检测器信号分析和工作点测量时有优越的性能。
He struck the beam with his head. 他的头撞到梁上了。
The beam has a thickness of 3 inches. 这根梁厚3英寸。
Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。