The subject derives from electronic equipment bureau of electronic information industry of department of general equipment of china . the subject researches dds ( direct digital frequency synthesizer ) signal source of the frequency agile signal generator . it plays a good role in the important pre - research project that is the test technology of tactics anti - jamming for communication transceiver synthesis 本课题是总装备部电子信息部电子装备局下达的预研项目? ? 《战术抗干扰通信电台综合测试技术》中的信号源部分(捷变频信号发生器中的dds信号源部分) 。