| 术语 | 描述 |
|---|---|
| 双精度 double precision | use of two digital words together to increase the resolution of a digital signal that could not be represented by a single digital word. |
| 准确度 accuracy | the closeness of agreement between a measured value and the true value |
| 漂移 drift | a change in system output over time independent of the input signal. |
| 模拟信号 analog signal | a nominally continuous electrical signal that varies in some direct correlation with another signal impressed on a transducer |
| 滤波 filtering | electric, electronic, acoustic, optical, or software devices used to reject signals, vibrations, or radiations of certain frequencies while allowing others to pass |
| 模数转换器 | a device that converts an analog signal to a digital signal that represents equivalent information |
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