【文章內(nèi)容簡介】 uter system tailored. Embedded system mainly consists of embedded processor, relevant support hardware, embedded operating system and application software system etc, it is the collection software and hardware in the integration of can work independently devices. Embedded operating system is a kind of realtime, supports embedded system application operating system software, it is embedded system extremely important constituent, usually includes and hardware related software drivers, system kernel bottom, device driver interface, munication protocol, graphic interface, standardization browsers, embedded realtime operating system in the related hardware and efficiency of dependence, software application and specificity solid state has more prominent characteristics. The advantages and disadvantages of embedded system, the system for a special system, so the system is small, instruction downsizing and processing speed. B, system data in ROM/FLASH with fast speed, call, not be altered, good stability. C, system treatment of good realtime performance, stable performance. D, document management system is more suitable for large amounts of video data. E, in work function, audio and video sync issues may also difficult satisfactory. Embedded video Web server mode, a builtin video server embedded Web server, the embedded realtime multitasking operating system. The video signal digital camera sent by high pression chip after throu gh internal bus to press, builtin Web server, Inter users can use directly on the Web server browsers on camera images, subscribers can also control the camera lens, haeundae, the actions or operate on system configuration. Because the video pression and Web function centralism to a small size within the equipment can be directly connected lans, achieve namely that look, omited inserted range of plex cable, convenient installation (only set an IP address), the user does not need to install any hardware device, with the browser can only watch. Embedded video Web server monitoring system and other surveillance system has the following characteristics: a parison of embedded video area is vast, have been supervised Web server monitoring system of Web server directly connected work, no cable length and attenuation, and the limit of the concept of work is no distance, pletely abandoned regional concept, expand have been supervised areas. B, the system has almost unlimited seamless expansion ability all equipment is mark, with IP address increased equipment just means that IP address the expansion. C, can form a very plicated monitoring work based on embedded Web server is the core of the monitoring system in work mode, with traditional analog monitor and based on PC platforms screening method has greatly different, because Web server output has pleted analog to digital conversion and pression, adopt uniform agreement on the work transmission, support across the router acros s the gateway, remote video transmission. D, stable and reliable performance, without staff management embedded Web server based on embedded puter technology, actually using embedded realtime multitasking operating system, and video pression and Web function due to focus on a small size, within the device directly concatenation LAN or wan, namely that look, system insert realtime, stability, reliability greatly improved, also need not specially assigned management, which is very suitable for unattended conditions. E, when the