中译英啊~~~~

This article introduced based on the DSP heart electricity meter development and the development, mainly includes the hardware electric circuit and the software procedure.The hardware electric circuit includes: Heart electrical signal gathering, enlarges the electric circuit, the band-pass circuit, the host enlargement electric circuit, the 50Hz wave trap and the electricity frequency lifting electric circuit.The hardware electric circuit will gather the heart electrical signal enlarges 1000 times, filters out is smaller than 0.03Hz, is bigger than 130Hz the signal, the heart electrical signal between these two frequencies.And further filters out 50Hz the power frequency signal, obtains the heart electrical signal, then the signal lifting to 0~3v between, satisfies the need which A/D transforms.Software part including A/D sampling procedure and filter procedure.Will simulate the heart electrical signal will transform as the digital signal, through will further filter out the unwante