S1 and S2 Heart Sound Recognition using Optimized BP Neural Networkdoi:10.1145/3340074.3340097Xu ChundongLong QinghuaZhou JingACMInternational Conference on Bioinformatics
S1 is caused by turbulence resulted from the closure of mitral and tricuspid valves at the start of ventricular systole defined as the time period elapsing between the first heart sound and the second sound. Usually, M1 precedes T1 slightly in an S1 heart signal. Because M1 and T1 are ...
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A: 1. Non-standard wearing methods, such as light leakage caused by incomplete fit, arm swinging, and slight movement of the watch on the skin, etc.; wearing the watch too tightly, raising the arm and clenching a fist will affect blood circulation, and may also affect the watch. to ...
Tests one: Three group source signals, respectively are the adult sound of the heart signal, the embryo sound of the heart signal, as well as the pronunciation signal, and records is s1, s2, s3, the sampling points is 36215, as shown in Figure 1. ...
Thereby, that thought that is caused to arise as an appearance conditioned by various objects is called “self-awakening primordial wisdom conditioned by sight and sound.” By looking directly, nothing is found that could be looked at, and that is called “knowing by its own nature the ...
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The observed delay in the proliferative phase, as shown in Table 7, could be due to impaired angiogenesis and reduced fibroblast proliferation caused by nicotine and arecoline present in gutka [29]. These substances interfere with the normal function of fibroblasts and endothelial cells, leading to...
Chuck is very selective about who Lady breeds with because purebred German Shepard puppies are in demand, and he’s not pleased at the litter of mutts Muffin has caused. Meanwhile, Eve takes the highroad and leaves a note on the parked car that Mandy hit, but somehow Mandy reaps the ...