
data = pd.read_csv(r'D:\shibishe\a1v.csv',encoding = 'utf-16')
plt.figure(figsize=(7,5))
plt.scatter(data['Time data (V)'],data['Frequency (Hz)'])
plt.show()

data = pd.read_csv(r'D:\shibishe\a1v.csv',encoding = 'utf-16')
plt.figure(figsize=(7,5))
plt.scatter(data['Time data (V)'],data['Frequency (Hz)'])
plt.show()
用data. columns看看列名称是什么