The first one is to reconstruct a superior HMD optical system with helmet visor and Free Form Surface (FFS) prism.
一种是用头盔护目镜和 FFS棱镜重新构造 HMD光学系统 ;另一种是用 HOE和 BOE替代传统的光学元件。
A plastic hybrid diffractive-refractive eyepiece for head-mounted display is designed, the features of the eyepiece are 30 mm effective focal length, 40° field-of-view (FOV), 20 mm exit pupil and 8 mm exit pupil size, and which consi.
设计了应用于头盔显示器的折/衍混合全塑料目镜,其有效焦距为30mm,视场角为40°,出瞳距离为20mm,出瞳直径为8mm,由三个折射透镜和一个衍射面组成。
The time delay problem in head-mounted display (HMD) based virtual reality systems is researched.
研究了基于头盔显示器(HMD)的虚拟现实系统中的时间延迟问题。
In the course of head-tracking of helmet mounted display, there are many problems such as lower tracking speed and sensitivity, larger weight and ignoring eyes function in the process of tracking.
针对目前头盔显示器头部位置跟踪过程中存在瞄准速度不快,灵敏度不高,头盔重量偏大,只考虑头部位置,未考虑人眼在跟踪瞄准过程中的功能等问题,特提出一种基于人眼及头位综合视频检测高精度快速瞄准新方法,它采用基于视频图像处理方法来检测头部与飞机的夹角和注视方向相对头部的偏角。
Research on the development of key technologies of HMD as PFR;
头盔显示器作为主飞行显示器的技术发展综述
Research on the Development of Electro-optic Technology of HMD;
头盔显示器的光电技术发展研究
Head Position Filtering Processing and Image Preparing for HMD
一种头盔显示器的滤波处理和图像准备
Helmet-mounted display with night vision capability;
具有夜视功能的头盔显示器
A novel optical system of transmissive AMLCD helmet-mounted display has been designed which adopts binary optics elements to correct aberrations,and the relay system which was necessary before is canceled.
设计了一套新颖的透视式液晶头盔显示器的光学系统,取消了中继光学系统,采用二元光学元件消除像差,采用全息护目镜作为光学组合玻璃。
Helmet-mounted displays(HMD)has become an important part of the cockpit display system for military aircraft,which can supply information for weapon aiming and aircraft guidance.
头盔显示器可以给驾驶员提供武器瞄准和飞机姿态等信息,已成为现代军用飞机座舱显示系统的重要组成部分。
Study for the Inspection Device of Motorcycle Helmet Goggles' Intensity
摩托车乘员头盔护目镜强度检测装置研究
safety helmet with badges and visor
附有警章及护目镜的头盔
Danger! Construction 100% safety glasses & hard hats required
危险 施工中 请戴绝对安全的护镜和头盔
A protective covering for the head.
头盔保护头部的遮盖物
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
wearing protective headgear on a motor cycle
骑摩托车时戴保护头盔
A medieval light helmet with a neck guard and movable visor.
头盔中世纪有护颈和活动护面的轻便头盔
Armor used to protect the front of a war horse's head in medieval times.
马盔中世纪用来保护战马头前部的盔甲
Helmets come in many different shapes Some have plastic visors on the front to shield eyes from sun or rain.
头盔有不同种的类型，有些头盔的前方带有塑料帽舌是为了保护眼镜免遭太阳的暴晒和雨天的雨水。
a protective helmet for the head.
头部的一种保护性的头盔。
A helmet guards your head against/from injuries.
头盔可以保护你的头部免受伤害。
helmet (goalkeeper)： Used to protect head and face.
头盔（守门员用）：用来防护头部和面部。
The nosepiece of a helmet.
护鼻头盔上用以保护鼻子的部分
"Yes, he put on righteousness as a breastplate, and salvation as a head-dress; and he put on punishment as clothing, and wrath as a robe."
他以公义为铠甲，(或作护心镜)以拯救为头盔，以报仇为衣服，以热心为外袍。
Beaver: a piece of armor attached to a helmet or breastplate to protect the mouth and chin.
护面甲:一块附在头盔或胸铠上的盔甲,用于保护嘴和下巴。
A piece of armor attached to a helmet or breastplate to protect the mouth and chin.
护面甲一块附在头盔或胸铠上的盔甲，用于保护嘴和下巴
medieval plate armor to protect a horse's head.
中世纪一种保护马头部的盔甲。
Biking helmets that provide insurance against an accident.
为事故提供保护性措施的自行车头盔