...片机；DDS；正弦信号发生器 [gap=1078]Key words：CPLD；MCU；direct digital synthesizer(DDS)；sinusoidal signal generator ...
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digital sinusoidal signal generator 数字正弦机
Standard Sinusoidal Signal Generator 标准正弦信号发生器
sinusoidal wave signal generator 正弦信号发生器 ; 正弦波信号发生器
This design construct an sinusoidal signal generator based on DDS(Direct Digital Frequency Synthesis), completed by MCU AT89S52 and necessary analog circuit.
本设计采用AT89S52单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术（DDS）的正弦信号发生器。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
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