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MSP430FR6047: 超声波回波信号存在直流偏置

Part Number: MSP430FR6047

我又遇到这个问题了,这次我打开了宏USS_APP_DC_OFFSET_CANCELLATION_ENABLE,但是看起来好像没什么效果。还有其他方法可以消除直流偏置吗?