五张牌斗牛技巧口诀

搜索新闻

今日排列三开奖结果排三开奖号

来源:演艺科技传媒 更新日期:2020-02-14 作者:杨英俊

    yiqingqijian,yingkangheguangdahezuohuobanyiqixianshangfugong,zhichihefuwubuduan。zhaizaijiaderizili,shineixiuzhuanyezhishidehaoshiji,jiexialaijiufenxiangyipianwenzhang,zuozheshiyingkanggaojigongchengshi/fuzongjingliyangyingjun,zuixianfabiaoyu《yanyikeji》。

    touyingjizuoweiguangjidianyitihuadegaojishushebei,yingyongyuelaiyuepujiheguangfan,yuelaiyueduodefeidianzigongchengzhuanyerenyuanyekaishicongshitouyingjideyingyong。touyingjitebieshidaxingzhuanyegongchengtouyingjideyingyongbujinshejitouyingjibenshendexingneng,haixuyaoshejishipinxitongdezhengtisheji。yinci,zhiyouzailejiebingzhangwotouyingjideyuanlijixingnengdejichushang,cainengzhengqueshiyongtouyingji,bingchongfenfahuiqigongneng。youci,bizhejieheshijianjingyan,congyingyongdejiaodufenxigongchengjishurenyuanxuyaozhangwodexiangguanshipinjichuzhishi,yijiruhegenjuyingyongxuanzeshihedetouyingjiheshejitouyingxianshixitongshixuyaokaolvdeyaosu。

    1 投影机应用场所

    touyingxianshideyingyongchangsuofeichangguangfan,shinei、shiwaidouyouyingyong,jutideyingyongchangjingrubiao1、biao2suoshi。yinbutongdeyingyongchangsuohegongnengxuqiu,youbutongdezhaominghuanjing、butongdeshiyongtedian、butongdexinhaotezheng。tebieshiyewan,huanjingguangkekong,touyingjiezhifuzaduoyang、bukekong、buyizhi,touyingshebeishiyonghuanjingjiaocha,dongtaishipinweizhu,jibenshangdoushuyuprojection mappingfanchou。yinci,yaogenjugezidutedexuqiujinxingxifen,cainengzuohao。liruhuiyishi,shuyuanzhuanghuanjinghenhaodanzhaodubijiaogaodechangsuo,suoyikeyixuanzeshangwuleijixing;ershiwaiyeyou,touyingjianzhuanghuanjinghencha,zebixuxuanzegongchengleijixing。

表1 投影机在室内的应用场景

    表1 投影机在室内的应用场景

表2 投影机在室外的应用情况

    表2 投影机在室外的应用情况

    congtouyingjifangmianqufen,keyishidanjiyingyongheduojiyingyong。

    congtouyingjiezhifangmianshangkan,keyifenweipingmian、qumianhebuguizedemian。

    2 投影机的选择及使用要求

    2.1 全面掌握视频基础知识

    zhengqueshiyongtouyingjideqiantishiyaoduishipin、touyingjiyuanlidengxiangguandeshipinjishujichuzhishiyousuolejie,ruyijingchubande《shuzichengxiangjichujixitongjishu》(dianzigongyechubanshechuban)、《shijueyuanli》(shijietushuchubangongsi)dengzhuanyeshujitigongyouzheifangmiandezhishi,tongshiyekeyicongqitameijieguangfansheliexuexi。

科视D4K40-RGB投影机

    科视D4K40-RGB投影机

    2.2 了解技术参数的物理意义

    touyingjidejishucanshufeichangduo,shiyongzhebuzhishilejie,haiyaozhunquezhangwogegecanshuwuliyiyi。

    (1)投影机的显示技术

    muqian,touyingjisuocaiyongdexianshijishuzhuyaoyou3zhong,rubiao3suoshi。butongdejishu,zaituxiangdechengxianfangmianyoubutongdetedian,keyigenjuxuqiulaixuanze。youyudlpdefanshexingjishu,suoyishigaotongliangchangsuodeshouxuan,lirudianyingyuanyongdetouyingjiquanshidlpjishu,erlcdjishusebaohedugao,suoyikeyiyongzaisecaixianyandedifang。

表3 目前投影机采用的几种显示技术

    表3 目前投影机采用的几种显示技术

    (2)投影光源

    touyingguangyuanshitouyingjizhongyaodezuchengbufen,chuantongdetouyingjiguangyuanshixiandeng,zhihoushiuhpdeng,jinnianlaijiguangguangyuanyuelaiyueduodibeicaiyong。jiguangguangyuanyebaokuoduozhongjishu,qizhong,rgbsanjisejiguangguangyuan,qifaguangqijianshihonglvlansanjisedejiguangqi,shimuqianzuihaodeguangyuan,sechunzuihao,seyuzuida(tu1);lingyizhongjiguangyingguangfenguangyuan,jiushitongguodansehuozheshuangsejiguangqihongjiyingguangfenhouchanshengchengxiangsuoxudehonglvlanguangyuan,zheizhongjishubijiaojingji。

 图1 激光光源的色域

    图1 激光光源的色域

    butongdeguangyuanyoubutongdeseyu,duituxiangdebiaoxianshibuyiyangde,butongdeguangyuanshihedeguangtongliangyeshibuyiyangde,rutu2suoshi。

    图2 不同光源适合的光通量

    图2 不同光源适合的光通量

    (3)物理分辨率

    wulifenbianlvshizhitouyingjichengxiangyonghexinqijiandezhenshifenbianlv(xiangsu),shibiaoxiantuxiangxinichengduzhibiao。muqianyouhenduozhong,changyongdeyou1 920×1 200、4 096×2 160deng。duiyutongyangdetoushemianji、tongyangdetoujuheshiju,fenbianlvyuegao,tuxiangyuexini。

    (4)光通量

    touyingjideguangtongliangjingchangbeichengwei“liangdu”,zheidangranshibuduide。renkandaodeliangdushijishangshiyouhenduoyinsujuedingde,touyingjiguangtongliangzhishiqizhongyizhongyinsu。

    touyingjideguangtongliangdaibiaozheshuchuguangxiandeduoshao。guangtongliangdeceliangyoubutongdebiaozhun,muqiancaiyongdezhuyaoshiansi(meiguoguojiabiaozhunweiyuanhui)heiso(guojibiaozhunhuazuzhi)biaozhun。tongyitaitouyingji,butongdeceliangbiaozhun,guangtongliangshuzhishibuyiyangde,ansibiaozhunshizhengfu10%hege,isobiaozhunshi-20%hege。zheiyiweizheruguoyitaibiaocheng31 000 lmdetouyingji,yijuisobiaozhunzhiyaoceliangchulaidezhichaoguo24 800 lm,zeyiweizheshihegepin。

    (5)对比度

    touyingjideduibidu,shijishangshitouyingjishuchuanchangheliangchangdeduibi,daibiaozhetouyingjibiaoxianminganduibidenengli。

    (6)镜头参数

    jingtouzuoweiyigeguangxuebujian,shitouyingjidehexinbujian,henduofuzadejishuzhibiaojuedingzhejingtoudezhiliang,rutoushebishimiaoshujingtoudezhuyaozhibiao。

    (7)信号处理

    xinhaochulifangmiandejishucanshubaokuozhenlv、jiekou、bianxing、ronghe、xiaozhengdeng。

    (8)安装

    anzhuangfangmiandecanshubaokuozhongliang、tiji、shiyonghuanjing、fangxiang、dianyuan、gonglv、haiba、anquanyaoqiudeng。

    (9)特殊要求

    zaishiyongtouyingjishi,yaotebiezhuyijishushoucezhongbiaoji“*”debufen,henduodeshujushiyouyidingdeqiantitiaojiande。

    2.3 投影机指标与需要的匹配

    zaichongfenlijietouyingjijishucanshuwuliyiyidejichushang,xuanzetouyingjideguochengjiushizaixuqiuhetouyingjizhibiaozhijianxunqiupipei,keyicanzhaotu3jinxing。

 图3 需求和投影机指标的匹配

    图3 需求和投影机指标的匹配

    2.4 用户手册和安装手册的阅读及使用

    renzhenzixiyueduyonghushouceheanzhuangshouceshijiqibiyaode,lijieqizhongdeneirong。tebiexuyaozhuyideshijiekoubufendeneirong,zheiduipipeixinhaoyuanzhiguanzhongyao,tongshiyejuedingxinhaochuanshushebeidexuanze。rubiao4suoshi,keyikandaotouyingjizhenzhengdexinhaochulinengli,butongdejiekou,nengjieshouchulidexinhaoshibutongde。

表4 投影机接口的技术参数信息

    表4 投影机接口的技术参数信息

    2.5 安装要求的特别注意项

    touyingjishiguangjidianyitihuadegaojishuchanpin,zhiyouanzhuangzaimanzutouyingjiyaoqiudegongzuohuanjingzhong,cainengdadaoqizuijiaxiaoyong,chengxiansuojichudejishuzhibiaonengli。yinci,anzhuangyaoqiuyeshixuyaotebiezhuyide,anzhuangyaoqiudegexiangneirongjianbiao5。ruguohuanjingtiaojiandabudaoyaoqiu,zebujinjinbunengdadaoguidingdejishuzhibiao,yehuidadazengjiatouyingjideguzhanglvhesunhuailv。

  表5 安装要求的注意项

    表5 安装要求的注意项

    3 投影显示系统的设计要点

    3.1 系统观念

    zhangwotouyingjixingnengshijichu,shejibingshiyonghaotouyingxianshixitongcaishimude。tu4shiyigedianxingtouyingxianshixitongdegoucheng,congzhongkeyikanchu,yigetouyingxianshixitongbaokuoxianshineirong、xianshineirongyongdebofangqi,xinhaochuanshuqicai、touyingjihetouyingjiezhiyijiguanzhong。zheilitebiexuyaoshuomingdeshiguanzhong,shijishangguanzhongdeyanjingshixianshixitongdeyibufen,zhiyourangguanzhongkandejian、kandeqing、kandeshushicainengchengzhiweiyigeshejichenggongdetouyingxianshixitong(xiangmu),yecaikeyishuoyonghaotouyingjile。

图4 典型投影显示系统的构成

    图4 典型投影显示系统的构成

    zaijinxing(xitong)xiangmushejishi,xuyaokaolvzhuduoyinsu,rutu5suoshi。

图5 系统设计需要考虑的因素

    图5 系统设计需要考虑的因素

    ●guanzhongguankandezitai,zhanli、zuozhe、xingjin;guanzhongdeshuliang,suoyoudeguanzhongshifoudounengqingxidikandao;zuijiaweizhi(yandian)zainali?

    ●dangzhoubianhaiyouqitaguankanwushi,haixuyaokaolvpingmuliangduhezhoubianhuanjingliangdudebiliwenti,yaoyouheshideguangbi,yibianxiyinguanzhongdezhuyilibingbaochiguankandejizhongdu。

    ●jiutouyingjibenshendexuanze,xuyaokaolvrenyandetexing,guihuaheshidefenbianlv、liangdu、duibidu、sediaodengcanshu。

    yaochongfenlijietouyingxianshixitongshitouyinghexianshideliangyuanxitong,zheishiyuqitaxianshijishubutongdedifang。butongdetouyingjiezhi,youbutongdejishuxuyao,touyingjiyupingmuzhijiande“huanjingguang”shixuyaotebiezhuyihekaolvde。

    ruguobofangdemeitizhiliangbuhao,zaihaodetouyingxitongyewufachengxianhaodexiaoguo,suoyi,bixubaozhengmeitidezhiliang。danzhidezhuyideshi,meitibenshenyeshicunzaizhiliangchayide,lirucaiyongcg(computer graphics)zhizuodeshuzimeitiyouhenduodehuanjie,rutu6suoshi,butonghuanjiezhiliangdebawojiuhuixingchengbutongzhiliangdexianshixiaoguo。

 图6 数字媒体的制作环节

    图6 数字媒体的制作环节

    meitizhiliangdeyibufenkeyiyongyuedingmeiticanshulaijiejue,birufenbianlv、zhenlv、caiyanglv、huidu。jinliangshiyongwusunwuyasuodemeitiwenjianlaitigaomeitizhiliang。

    meitibofangqiyaobaozhengduimeitineirongwusundebofang,quebaobuyinrushizhen,erchuanshuchulishebeiyeyaobaozhengxinhaowusundechuanshu,zhihoucaishitouyingjiduixinhaowanmeidetoushe。

    3.2 注意事项

    ●touyingjibaiwei:bikaiyundongpingtaiyundongbaoluo,bimianguanzhongzhishi,bianxing,liangdujunyun,jujiao(jingshen)。

    ●fenbianlv(guankanjiaofenbianlv:3′、2′、1′)yaogenjuyingpianneirongxuanze。

    ●liangduxuanzeyaozaipingmuzengyiquedingshi,genju2d、3dxianshileixing(jiantu7)zuochuxuanze。

图7 不同的显示类型

    图7 不同的显示类型

    ●suoyoudetouyingjianzhuangdoucunzaizheyueshu,kenenghenfuza。

    ●bixucaiyongtouyingjiyunxudeanzhuangzitai。

    ●baozhenglianghaodesanre(jiantu8),shitouyingjizhengchanggongzuodexianjuetiaojian。

图8 良好的通风、散热环境

    图8 良好的通风、散热环境

    ●shiyongjiangudezhijiafangzhipiaoyi。

    ●baozhengwenduheshidu。

    ●baozhengjiejing、meiyoufushixingqiti。

    ●xianchangqingchenhou,caikeyianzhuang。

    ●shejishijiuyaokaolvruheanzhuang、weihuheweixiu(lirushejianzhuangheweixiumadao)。

推荐
 标签:
投影显示精彩专题
推荐投影机品牌
广告联系: | 手机版:官方微博:官方微信:pjtime
Copyright (C) 2007 by lkyb189.cn,投影时代网 版权所有 关于投影时代 | 联系我们 | 欢迎来稿 | 网站地图
返回五张牌斗牛技巧口诀 网友评论 返回顶部 建议反馈
快速评论
验证码: 看不清?点一下
发表评论
互联网彩票最新新闻 互联网彩票最新消息2020 五分彩是国家正规彩票吗 互联网彩票解禁提案 互联网彩票能开通吗 互联网销售彩票行为 五元五包微信群二维码 五万怎么投资理财 五D开奖号码 五人斗地主有哪些