Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The process of signal acquisition, preprocessing and estimation with SensEcho wearable device. (A) A flow chart of the entire experiment. (B) An example of the visualization of key signal processes. (Abbreviations: ECG, Electrocardiograph; DApt, the difference between the amplitude of the wave peaks and the amplitude of the troughs, SVM, the signal vector magnitude of triaxial accelerometer).
