Method for extracting heartbeat signal based on radar echo strong noise background and system for extracting heartbeat signal based on radar echo strong noise background
A heartbeat signal, radar echo technology, applied in the measurement of pulse/heart rate, medical science, sensors, etc., can solve problems such as hindering the separation of heartbeat signals, and achieve accurate real-time respiratory rate measurement, strong real-time, and high accuracy. Effect
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[0052] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0053] like figure 1 As shown, the present invention also discloses a method for extracting heartbeat signals based on radar echo strong noise background, comprising the following steps:
[0054] S100, the radar echo is transmitted to the data preprocessing end in the form of data frames;
[0055] S200, preprocessing the original sequence of radar echoes, filtering the echoes of stationary targets, and obtaining the echo signals of the range units where the human targets are located;
[0056] S300, judging the random movement of the human body based on the acceleration, so as to reduce the error of the parameter estimation of the later sign signal;
[0057] S400, for separation of vital signs ...
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