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本文介绍了一个线性调频信号数字产生系统的设计与实现。首先对线性调频信号的两种主要数字产生方法进行了简要阐述和比较,然后根据直接数字合成(DDS)方法提出了线性调频信号产生方案,对其进行了系统实现研究,并给出了部分测试结果。
This article describes the design and implementation of a chirp signal digital generation system. Firstly, the two main digital generation methods of LFM signal are briefly described and compared. Then, a scheme of LFM signal generation is proposed according to the direct digital synthesis (DDS) method. The system realization is studied and some tests are given result.