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中文摘要：
在嵌入式设备中使用带ISP功能的元件，使得设备具有远程现场升级能力。在讨论嵌入式无线移动设备远程现场升级的开放性。并与有线设备升级进行差异比较的基础上，提出与无线移动设备相适应的升级模式集合。以基于GPS／GIS／GSM的无线车栽设备作为升级实验对象。通过时升级方案和升级实验数据的详尽叙述，验证了独立型升级模式的正确性和有效性。
英文摘要：
Using the ISP（In-System Programmability） component in embedded device makes it have the capability to perform remote field upgrade.Based on discussing the open characteristic of remote field upgrade of embedded wireless mobile device,and presenting the difference between wireless device upgrade and wire device upgrade,the aggregate of upgrade models suitable for wireless mobile device is put forward.By acting the GPS/GIS/GSM-based wireless vehicle device as the upgrade experiment object,and explaining the upgrade scheme and the experiment data in detail,the correctness and effectiveness of independent upgrade model are validated.
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