用CCD测量光斑可以及时获得光斑的二维扫描结果。
Using CCD to measure the beam spot can gain the two-dimensional scanned result in a real-time manager.
由于本方法不需要测量光斑的直径,避开了光斑直径不易测量准确的难题。
Because this method does not require the measurement light spot diameter, it avoids the problem that the light spot diameter is difficult to be accurately measured.
该方法适用于测量经过编码后的远距离激光脉冲光斑,为应用电视摄像机捕捉有规律的瞬态存在的目标提供了一个途径。
The method is suitable for measurement of the encoded remote laser pulse spot and provided a approach for application of TV camera to acquisition of the regularly transient targets.
简要介绍了弧矢聚焦双晶单色器的作用及基本原理,描述了离线测量弧矢聚焦双晶单色器出射光斑位置的方法。
The paper introduced the effect and principium of Sagtital focusing double crystal monochromator , and described measurement for positon of facula from Sagtital focusing double crystal monochromator.
主要介绍GRIN透镜在红外波段聚焦光斑直径的测量方法及误差分析。
The measurement method and error analysis method of GRIN lens focal spot diameter in IR wavelength are described.
文中开发的实验数据处理软件主要包括测量数据曲线的拟合、判断曲线是否符合高斯分布、光斑大小的计算、发散角和腰斑大小的计算。
The software developed in this paper mainly contains curve fitting of measuring data, Gaussian distribution estimation of curves, calculation of the size of facula, divergence angle and waist facula.
测量红外光斑在物理上和技术上都有很重要的意义。
Measurement of IR optical spot is of great importance to physics and technology.
面响应不均匀性的测量是利用小的激光光斑在探测器的灵敏面进行二维扫描。
Spatial non-uniformity is measured by applying a small laser spot scanning across the detector sensitive area.
据此模型,只要测量出任意两个角度时光斑在PS D上的坐标,即可求出两轴的径向偏差和角度偏差。
According to this model, the parallel misalignment and angular misalignment can be calculated so long as light spot coordinate of PSD at two discretionary angles is measured.
本文从理论上分析了刀口的几何特性与物理特性对微小光斑测量的影响。
The influence of knife-edge outline on the spot measurement is discussed and some theoretical results are shown in this paper.
在实际测量中,由于光斑具有一定尺寸和不对称性,在很大程度上影响了位置敏感探测器(PSD)的定位精度。
In practical measurement, the positioning precision of position sensitive detector (PSD) is greatly affected by the size and asymmetry of the spot.
通过测量回馈光远场光斑的位置变化可以得到端机的跟瞄精度。
The tracking precision is got by measuring the far-field facula posit.
研究了红外光斑尺寸的估算方法,在此基础上提出了“光点偏移”测量串音的新方法。
Estimating methods of IR spot size are studied. Furthermore a new crosstalk measuring method called "spot shifting method" is presented.
测量了输出激光时间波形和光斑的光强空间分布。
The temporal waveform and the intensity distribution of output laser were measured.
在单道熔覆中通过跟踪测量研究了激光功率、扫描速度、送粉速率、光斑直径和基体预热温度对熔池温度的影响规律。
The influence of laser power, scanning speed, powder feed rate, spot diameter and preheating on the temperature of molten pool were revealed in the process of single-pass cladding.
三维姿态测量系统中,由激光器发出指示光束,照射至二边的屏幕上,由屏幕上的光斑位置反映出目标的各姿态角。
In the system of tridimensional attitude measurement, the laser beams laser beams, and then shoot to the screen and the attitude of object can be calculated by the light-spot on the screen.
介绍了一种小孔扫描测量大数值孔径光学系统小光斑的方法。
This paper introduced a method to testing small light spot produced by an optical system with high NA.
激光光斑中心检测是光学测量中常用的关键技术。
Laser spot detection is the key technique used in optical measurement.
研究了激光光斑半径、发散角的几个基本参量以及测量方法,对高斯光束的发散角测量进行重点讨论。
The study is made on the laser spot radius, several basic parameters and measurement methods. The essential discussion is focused on the divergence angles of Gaussian beams.
详细介绍了一种能对大功率激光光束光斑在线测量的诊断仪。
A diagnostic instrument is introduced in detail, which can be used for high power laser beams and focus on line measurement.
激光光斑位置的准确确定是决定测量系统精度高低的关键因素,所以激光光斑中心的定位就显得尤为重要。
Laser spot center detection is the key factor for evaluating a surveying system, so that the calculation of the laser spot center must be tarnally important.
激光远场光斑测量对描述激光束的远场性能,评价激光器以及系统的实际工作性能具有重要意义。
It is very important to measure the laser spot energy distribution in the field for describing the laser beam performances and evaluating the lasers and operational performances.
利用测量装置对焦平面和多个离焦面内的能流密度分布进行测量,并分析每个面内的聚焦光斑特性。
The flux density distributions on focus plane and many defocusing planes are measured by the measurement equipment and focusing characteristics of the spots on each plane are also analyzed.
给出了用CCD进行激光光斑成像试验的结果,分析了激光光斑的测量精度和测量中存在的问题,并给出了解决途径。
This paper gives the CCD image test results. The laser facula measurement error and the test problems are analyzed. Some solutions are presented in the paper.
因此,对激光通过大气随机信道远场光斑的实验测量具有十分重要的意义。
Therefore, it is very important to experimental measurement to far-field optical spot of atmospheric random channel, which can be passed by laser.
测量系统基于PSD传感器的光斑定位原理。
The measurement system is based on facular-orientation theory of position sensitive detector (PSD).
利用针孔扫描的原理,测量了聚焦光斑尺寸及光斑内的能量分布状况。
The laser spot diameter and its intensity distribution are measured with a scanning pinhole.
该方法适用于测量经过编码后的远距离激光脉冲光斑,为应用电视摄像机捕捉有规律的瞬态存在的目标提供了一个途径。
The method is suitable for measurement of the encoded remote laser pulse spot and provided a approach for application of TV camera to acquisition of the regularly …
在激光扫描大型三维曲面测量中, 激光光斑中心的准确定位是提高测量分辨力的关键。
The precise location of the laser spot center is an important step to raise the measurement resolution in large 3-D surface profile measuring system of laser scanning.
在分析了炮身后坐的运动特点,讨论了光斑定位测量法各部分构成的基础上,提出了分时复用的测量思路。
After analyzing the movement characteristic of recoil and discussing the parts of facular-orientation measurement system, time-sharing project has been proposed.
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