LLL night vision system

The spectral matching factors between photocathode spectral response and scene reflecting spectrum were calculated for the LLL night vision system with laser illuminator.

根据夜间景物的反射特性以及激光辐射光谱特性,求出了在激光助视下,夜间暗绿色涂层、粗糙混凝土和绿色草木的反射光谱,计算了所研制的头盔式激光助视/微光夜视仪光电阴极光谱响应与景物反射光谱之间的匹配系数,分析了其对照度、对比度等参数的影响,对野外条件下的夜视仪的视距估算和性能仿真可起到指导作用。

Lens design in helmet-mounted LLL night-vision system;

头盔式单目微光夜视仪中光学系统的设计

Design of aspheric lens in helmet-mounted LLL night-vision system;

头盔式单目微光夜视仪中非球面物镜系统的设计

The developing direction of the future on board low light level night vision system is derscribed.

直视式微光夜视仪已经越来越不能满足空军在战术上的要求 ,它的视距短 ,环境条件影响大 ,无法同时观察外景和机载的各种符号。

A gray level gradient cooccurrence matrix model is applied for the texture analysis of an image measuring low light level night vision system resolution.

利用灰度 梯度共生矩阵模型对微光夜视仪分辨力测量图像的纹理特征进行了分析 ,通过对大量图像的 5个纹理特征参数的计算 ,结果表明 ,这些参数能对微光夜视仪分辨力测量图像的纹理特征作出有效的客观评价 ,此计算结果与人眼的观察结果具有较好的一致性。

The performance, composition and operation principle of a new type of LLL night vision device are introduced.

介绍了一种新型微光夜视仪的性能指标、组成及工作原理。

The reasonable matching of low light level tube in LLL night vision device is emphatically analyzed.

着重分析微光夜视仪的心脏元件──微光管的合理匹配，并对其光学系统主要参数设计原则与方法作了扼要论述。

By using optical design software CODEV,we designed a refractive/diffractive system for a helmet-mounted low-light level night vision device,the parameters are:focal length:25mm;field.

为了使头盔式微光夜视仪结构更加紧凑和小型化,在成像物镜设计中引入衍射面,利用衍射光学元件(Diffractive Optical Elements,DOE)独有的负色散性质和光波面任意相位调制的特点,运用CODEV光学设计软件,设计了焦距为25 mm,视场为40°,相对孔径为1/1。

Design of refractive-diffractive hybrid objective lens in airborne night vision goggle;

机载微光夜视仪折衍混合物镜的设计研究

Visual Simulation for the Low-Level-Light Vision Systems;

微光夜视仪野外视距仿真实验的研究

Lens design in helmet-mounted LLL night-vision system

头盔式单目微光夜视仪中光学系统的设计

Miniaturization Design of Objective Lens Optical Systems Used in Low-Level-Light Night Vision

微光夜视仪中物镜光学系统的小型优化设计

Design of aspheric lens in helmet-mounted LLL night-vision system

头盔式单目微光夜视仪中非球面物镜系统的设计

Visual Range Evaluation of LLL Night Vision System with Laser Illuminator;

激光助视/微光夜视系统视距评估研究

Study of Novel Active Confocal LLL Night-time Vision System with Broad Spectral Band;

新型主动式宽光谱共焦微光夜视系统的研究

For terrain observation and reconnaissance under natural starlight and moonlight illumination.

本夜视仪可供在自然星光和月光照明下进行地形观察和侦察。

Design of Object Lens for Helmet-Mounted Night Vision Goggles with High-Order Plastic Aspherical Surfaces

含高次塑料非球面的头盔微光夜视物镜设计

LLL night vision system depends on the night sky light illumination conditions, i.e., at a passive work mode.

目前的微光夜视系统靠夜天光照射景物,以被动的方式工作,自身的隐蔽性好。

laser microspectrum analyzer

激光显微光谱分析仪

Application Study of DCT in the System of Low Light Level Night Vision

离散余弦变换系统在微光夜视系统中的应用研究

Several witnesses, including the retired military man who used the night-vision equipment, described a kind of flare-out as the lights disappeared.

几名目击者，其中包括这位使用夜视仪的退休军人，描述了在金光消失的时候发出了闪亮的光芒。

ruby laser microscopic radiation meter

红宝石激光显微照射仪

microcomputer-controlled grating double monochromator

微机控制光栅双单色仪

infrared microspectrometer

红外[线]显微分光仪

laser microprobe mass analyzer

激光微探针质谱分析仪

They have helicopters, GPS, night-vision units, communication retransmitters and so on.

装备有直升机、GPS、夜视仪、通信转播器等。

laser retinal MTF tester

激光视网膜mtf测定仪