光幕

基于FPGA的高速运动目标单光幕测速系统设计

Design of Velocity Measuring System with Single Light Curtain Based on FPGA

利用测量光幕检测货物列车端部超限

Inspection of Out-Of-Gauge of Freight Train Ends with the Application of Measurement Light Curtain

CCD光幕靶交汇测量精度研究

Research on the Precision of the Confluent Measurement of CCD Veiling Target

为了验证理论结果，通过实测光幕面上不同位置点的光能，借助Matlab工具对实验数据进行处理，得到光幕面内光能量的分布图形，并且验证了各参数间的关系。

The chart of light energy distribution is obtained and the relation between parameters is proved after the data , which are the light energy measured at different points of screen , are processed by MATLAB tools .

在X和Y方向分别采用四个成固定角度的光幕来实现入射角度的测量，一次射击可得到弹丸的速度、速度方向上的空间角和着靶位置坐标。

The angle of incidence to be less than 70 ° was measured by using four light screens respectively at X and Y axis direction . The velocity , angle of incidence and coordinate of position are gained after firing .

Marka博士发明了一种蚊子无法穿透的不可见光光幕。

Dr Marka has created a curtain of invisible light that mosquitoes cannot penetrate .

利用有效光幕区为Φ500mm的激光测速系统对7.62mm弹丸的速度进行了测试，给出了试验波形和一组测试数据。

It gives the typical sampled waveform and a series of speed data of Φ 7.62 mm projectile measured by the retroreflector laser screen system with effective screen area of Φ 500 mm .

利用匀强激光光幕和丝网断靶对EFP战斗部测试，可以有效的获取目标主要参数，为提高EFP战斗部性能提供了试验方面的技术支持。

Using the uniform laser screen and the screen off target to research the EFP warhead , we can access the main parameters , and at the same time , we can get the technical support to test the performance of EFP warhead .

Marka博士预测，如果蚊子穿过一道光幕的概率6%，那么对一所安装了四道光幕的茅草屋来说，蚊子能传播疟疾的概率仅为十万分之一。

Dr Marka calculates that if there is a6 % chance that a mosquito will penetrate a light curtain , and a hut contains four curtains , then only one in100,000 mosquitoes will be able to spread malaria .

利用有效光幕区为900mm×900mm及500mm×500mm的系统分别对5.6mm弹丸穿越动物及某大口径弹丸的速度进行了测试，并给出了试验波形及测试数据。

The speed of Φ 5.6 mm projectile passing through an animal and speed of one sort of large caliber projectile are measured by the laser screen system with effective screen area of 900 mm × 900 mm and 500 mm × 500 mm respectively .

四光幕交汇立靶测试系统及纸靶校准方法

Four screens target measuring system and calibration with paper target sheet

基于大面积激光光幕的弹丸速度测试技术研究

Projectile Velocity Measurement Technology Based on Large Effective Area Laser Screen

探测光幕中的高速弹丸红外辐射特性分析

Infrared radiation characteristics analysis of high velocity projectile in detection screen

测量光幕于水果分级设备中的应用研究

Research on the Application of Measuring Light Screen to Fruit Grader

激光光幕原向反射触发信号源技术

Technique of Trigger Signal Source with Laser Screen and Retroreflector

原向反射式激光光幕测速技术研究

Research on Laser Screen Technology with Retroreflector for Velocity Measurement

光幕靶靶面光能分布均匀性的研究

Study on the distributing uniformity of light energy on screen

基于光幕靶的便携式弹丸速度测量系统

Protable Bullet Velocity Measurement System Based on Laser Screen Target

光幕性能测试系统数学建模和软件设计

Mathematical modeling and software design for screen performance measuring system

介绍了一种新颖的激光光幕靶弹丸速度测量系统。

A projectile-velocity measurement system using novel laser diode screen is introduced .

文中给出了两种六光幕阵列测量公式的详细推导。

And the derived process of measurement formula is given in detail .

经由此状态，遮蔽的光幕逐渐移除。

Through this , that which obscures the light is gradually removed .

激光光幕式压力机安全保护装置

Study of the laser light screen ensure safety protective device for mechanical presses

相关分析技术在光幕靶速度测量中的应用

Application of Cross - correlation Analysis Techniques in Velocity Measurement of Light Screen

一种抗光干扰的数字化光幕靶方法研究

A Digital Optical Screen with Resistance to Light Interference for Bullet Speed Measurement

激光光幕自动报靶系统的设计与实现

Design and Realization of the Automatic Photoelectric Target-scoring System

红外安全光幕是一种区域防护技术。

Infrared light curtain is applied to area security .

多光幕法测量高空弹丸炸点坐标原理与分析

Principle and analysis of high altitude projectile location measurement using multi-screen target method

四光幕交汇立靶改进系统

Improvement of measurement system with four target screens

大靶面光幕靶中发光二极管阵列线光源的设计

Design of Linear Light Source Composed of Light-Emitting Diode Array in Large Light-Screen Target