查询词典 LCD

A novel method of measuring plus lens's focus is given, which is based on LCD, CCD, and digital image processing It is also a discussion on photoelectric method of automatically measuring parameters of an optic system In this method, a LCD is used as a reticle of the collimator, while the image on the accepting side is transformed into digital image and is sent into a computer The focus can finally be calculated out through digital image processing and analysis The method of measurement is introduce...

讨论了一种基于LCD、CCD和数字图像处理的正透镜焦距测量方法，是光电法自动化测量光学系统多个参数的一种有益的探讨。用液晶屏显示分划图形取代平行光管的分划板，用CCD在接收方采集数字图像并送入计算机，通过图像处理和分析得出被测透镜的焦距。运用叠加的方法提高图像的信噪比；结合重心法和平行线拟合方法求取平行线对的间距；应用高精度焦距标准透镜标定数字图像和实际像之间的比例关系。详细介绍了测量和图像处理的方法，进行了公式推导和误差分析，并给出了实验结果

The invention comprises a free-form surface prism with three optical surfaces, and a micro-image display; the free-form surface prism is made of plastic glass materials with the refractive index greater than 1; the three free-form optical surfaces are concave surfaces, which meet one of the three surface-type equations, and the location relationship of each surface meets three condition equations; the incident angle formed between the widest-field upper edge rays emitted by an LCD and the second free-form surface meets the total reflection conditions; and an image source element is an LCD of 0.61 or 0.59 inches.

本发明包含一个具有三个光学表面的自由曲面棱镜和一个微型图像显示器，自由曲面棱镜采用折射率大于1的塑料玻璃材料，自由曲面棱镜的三个自由曲面光学表面均为凹形面，它们应满足三个面型方程之一，并且各表面的位置关系应满足三个条件方程，由LCD发出的最大视场上边缘光线在第二自由曲面上的入射角应满足全反射条件，像源元件为0.61或0.59英寸的LCD。

Parallax illumination is composed with the shutter and the illumination box for illuminating the LCD screen, whose basic function is to send the pixels in the odd or even columns on the LCD screen into views' left or right eyes, respectively.

在普通液晶显示器的背光源与LCD屏之间插入一块特殊的光栅板是主流自由立体显示器基本配置，照明盒与光栅板结合构成视差照明方式实现对LCD屏的照明。

LCD module actualizes the display of Chinese, data, static pictures and real-time dynamic bight; for the operating personnel, the key-board is favorable to control the run of instrument; cyclical monitoring of various parameters provide bases for LCD module and key-board.

液晶显示实现了汉字、数据及符号的显示、静态图片及实时动态曲线的显示；键盘则更有利于作人员控制仪器的运行；巡回采样则为液晶显示和键盘提供了依据。

The company's products are used in the communications industry, MP3, DVD, perpetual calendar, a variety of instruments and meters, clock, sound screens, digital cameras, walkie-talkies, mobile phones, telephones, portable computers, watches and clocks, electronic scales, tanker; cars, motorcycles, small household electrical appliances, air conditioning with its remote control, refrigerator temperature display, taxi meters, industrial control, medical equipment, financial securities, car images, such as public information including a variety of liquid crystal display (LCD, a variety of LCD module and so on.

公司的产品主要应用在通讯行业、MP3、DVD、万年历、各种仪器仪表、时钟、音响屏、数码相机、对讲机、手机、电话机、手提电脑、钟表、电子秤、加油机；汽车、摩托车、小家电、空调用其遥控器、冰箱温度显示器、出租车计费器、工业控制、医疗设备、金融证券、车载影像、公众信息等（包括各种液晶显示器、各种液晶显示模块）等。

Also it can export LCD font data and LCD mockup font that you can use asprototype screen in Windows application.

该软件还可以导出你可以作为 Windows 应用软件的规范屏幕使用的 LCD 字体数据和 LCD 模拟字体。

Its terminal product is a digital camera|MP 3| MPs are 4| notebooks|move a correspondence equipments(cellular phone, Gao repeatedly corresponds by letter an equipments)|LED|LCD|DVD|calculator mother board|PDA|the car carries a LCD TV|family cinema(AC3 system)|satellite fixed position system etc. the consumption electronics product.

其终端产品为数码相机/MP3/MP4/笔记本电脑/移动通信设备/LED/LCD/DVD/计算机主机板/PDA/车载液晶电视/家庭影院(AC3系统)/卫星定位系统等消费性电子产品。

LCD. So if a screen gets black on a LCD like some screensavers do it can be damaged.After all this problems there were invented CTR's more resi.

如果得到黑色的液晶屏幕一样，可以做一些萤幕damaged.after这一切问题有威胁发明的树脂更多。。。。。

After converting ,filtering and magnifying for four kinds signal produced by biochemistry enzyme （blood sugar ,lactic acid,cholesterol and acetone body）,the results are converted separately by AID converter of AdμC812, and then displayed on LCD.

送到AdμC812的四路A／D转换口进行模数转移，然后经过相应的运算、处理后在液晶显示器上显示出来。同时还能对测得的结果进行一些常规的实时诊断。

A dynamic monitoring and identifying system of Fe2O3 series gas sensors for the research of electronic nose is introduced. The system has 6 channels to input 0~2.5V voltage signals, measures system temperature, makes thermoregulation for sensor with hardware and has LCD screen and voice function. The heating circuit using TL494 chip and PWM mode is realized. Offline and online identification is realized. The hardware design is based on 16 bits MSP430F149 microcontroller. The software design for digital acquisition and identification based on Windows operating system is compiled by Visual Basic 6.0. The test results show that friendly interface, simple operation, accurate data, reliability and stability are obtained. The real-time monitoring for all of the sensors in aerometry or identification can be realized by BP ANN.

介绍了一种用于电子鼻研究的Fe2O3系列气敏传感器阵列动态测试、控制和识别系统；该系统能够同时采集6路0~2.5V的模拟电压信号，测量系统温度、硬件对传感器进行温度补偿，同时具有液晶显示和语音功能；加热电路用TL494芯片采用PWM方式实现，能实现脱机和联机两种不同的识别模式；以16位单片机MSP430F149为核心设计了硬件系统，用Visual Basic 6.0设计了基于Windows操作系统下的数据采集与模式识别软件；该软件界面友好，操作简单，数据结果准确，运行可靠、稳定，既可以长时间实时显示各传感器的全部动态响应过程，又可以用BP神经网络进行模式识别。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。