Based on the st HDTV evaluation board and the ST20 embedded toolset, this paper studies the software technologies and software development of digital Set-Top - Box.

本文以ST公司的HDTV开发平台和ST20软件集成开发环境为基础，进行了数字机顶盒软件技术的研究和开发。

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Researched software development techniques based on UG, and established mould board parametric model and parametric drive mechanism.

进行了UG二次开发技术研究； 建立了模板参数化模型、模板参数驱动机制；

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Thirdly, mainly on the development process of integrated spectrum, and make description of hardware design and software design of both the motherboard and the core board.

第三，介绍了一体化谱仪的研制过程，并分别从母板和核心板两部分的硬件部分设计与软件部分设计上进行了相应的描述。

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