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方波和正弦波叠加之后,需要移相的话如何解决?
亲;模拟和数字方案都可以做移相。一般;AD后延时DA就可以完成精准移相。
混频了也可以ad采样吗 正弦已经和方波相加了,da不能输出了吧
Hi
如果是把相位的调整一个可调值,那实现思路是和调制类似;如果你想把相位调正到固定值,可以利用锁相环。