The data structure is the foundation of computer algorithm theory and software design technology, and plays an important role in the computer field.

数据结构是计算机科学的算法理论基础和软件设计的技术基础，在计算机领域中有着举足轻重的作用。

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In order to make a research on the software radio, this thesis focuses on key techniques for radio receiver including: DDC technology, the channelization model, modulation and demodulation algorithm.

为了对软件无线电进行探索性研究，本论文主要研究了软件无线电接收机中的部分关键技术：包括数字下变频算法，多通道并行接收的信道化模型以及调制解调部分的实现。

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