简单的滚动轴承故障振动信号模拟（Python）
from dataclasses import dataclassfrom typing import Optionalimport matplotlib.pyplot as pltimport numpy as npN_TIME_SAMPLES = 1000
from dataclasses import dataclassfrom typing import Optionalimport matplotlib.pyplot as pltimport numpy as npN_TIME_SAMPLES = 1000