The key technique in the program for data downloading and conversion is analyzed, and the structure of the program is described.
分析了研制数据卸出与转换程序的关键技术及实现方法；描述了程序的组织结构。
The paper analyzes the final targets, whole structure and key technologies of system in detail, and gives design of the data conversion component and message component.
详细分析了系统的设计目标、总体结构和实现的关键技术，并给出了数据转换构件和消息构件的设计。
A frequency guiding digital receiver is given. The key technology, fast frequency estimation and high effectual data rate conversion, is introduced briefly.
给出了一种频率引导式的数字接收机方案，简要介绍这种接收机的关键技术——快速、高精度频率估计以及高效的数据率转换。
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