This paper comes from the cloud platform controlling board , which is a part of hd _ vcr video monitoring system 本论文选题来源于“数字式硬盘录像机视频监控系统”项目中云台控制以及摄像镜头控制的功能块。
In recent years , our company has launched many kinds of products in succession such as video capture card , embedded digital video recorder and decoder 2003年公司又推出多款新产品，如：工控式硬盘录像机，嵌入式硬盘录像机，云台，解码器，红外灯等。
Has the ordinary digital hard disk videorecorder other functions electron quakeproof and machinery quakeproof four levels of quakeproof processing , guarantees the entire machine earthquake resistance effect 具有普通数字硬盘录像机其它功能电子防震和机械防震四级防震处理，保证整机抗震效果。
In current , our main product awt series includes day / night vision camera , zoom camera , ir camera , speed dome camera , network camera , network video server , digital embedded hard disk video recorder , pc hard disk video recorder and security and peripheral products 目前主要的产品awt (艾维特)系列有:日夜两用型摄像机、一体化摄像机、红外日夜两用一体化摄像机、网络摄像机、网络视频服务器、数字嵌入式硬盘录像机、 pc式硬盘录像机以及安防周边配套产品。
The history of video monitor technique has experienced three generations : first generation , traditional simulation video monitor system ; second generation , hard disk - video tape recorder based video monitor system and the third generation , digital video monitor system based on compressing the video image at the place of signal resource 纵观视频监控技术的发展历史，它主要经历了三代：第一代，传统模拟视频监控系统；第二代，基于硬盘录像机的视频监视系统；第三代，基于信源压缩的数字视频监控系统。
The present main product includes : has the wirelesshome use commercial security alarm system 、 has the wireless invasioninfrared microwave detector 、 the infrared correlation and theelectronic stockade border protection product 、 the smog fuel gasdetector 、 the security fitting ( gate magnetism 、 switch , button 、 warning light and so on ) 、 the infrared camera , a body camera 、 thenetwork camera 、 the network video frequency server 、 the hard diskvideorecorder and so on peacefully guards against the product 目前的主要产品有：有无线家用商用防盗报警系统、有无线入侵红外微波探测器、红外对射及电子栅栏周界防护产品、烟雾燃气探测器、防盗配件（门磁、开关、按钮、警灯等） 、红外摄像机、一体摄像机、网络摄像机、网络视频服务器、硬盘录像机等安防产品。
