Single-channel fetal electrocardiogram blind separation device based on oblique projection and separation method
A fetal ECG, single-channel technology, used in medical science, sensors, diagnostic recording/measurement, etc., can solve the problems of rough correspondence between ECG signals, difficult electrode positions, and loose synchronization.
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[0051] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0052] Such as figure 1 As shown, the single-channel fetal ECG blind separation device based on oblique projection of the present invention includes a single-channel ECG signal acquisition module 1, a Doppler fetal heart sound acquisition module 2, an analog-to-digital conversion module 3, a microprocessor 4, A PC host computer 5 for signal separation and display, wherein the transfer-in end of the single-channel ECG signal acquisition module 1 for collecting aliased ECG signals is connected to the electrocardiogram lead cable 6 for collecting fetal heart sound signals The input end of the Doppler fetal heart sound acquisition module 2 is connected with the ultrasonic probe 7, and the output end of the single-channel electrocardiographic signal acquisition module 1 ...
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