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ji yu dds de shu zi yi xiang xin hao fa sheng qi
Author(s): 
Pages: 75,77
Year: Issue:  1
Journal: Coal Mine Modernization

Abstract: 本系统采用直接数字频率合成(DDS)技术产生波形,整个系统都是对数字信号进行处理,使系统有较强的抗干扰能力和稳定性.基于频率合成原理制成的信号发生器,由于可以获得很高的频率稳定度和精确度,因此发展非常迅速.本设计基于直接数字频率合成计(DDS)的原理,充分利用ALtera公司的FPGA芯片Cyelone:在软件OUARTUSⅡ5.0开发平台上完成了DDS系统的设计、仿真和验证.本课题设计了一个频率...
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