A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Term | Main definition |
|---|---|
| temperature coefficient | Amount of drift (expressed in percent of full scale output) that results from a 1°C change in ambient temperature. |
| THD | Total Harmonic Distortion - Ratio of the rms value of the fundamental signal to the mean value of the root sum square of its harmonics (normally only the first 5 harmonics). |
| THD+N | Total Harmonic Distortion plus Noise - THD plus all noise components. |
| trigger | An external stimulus that initiates an instrument function. Also used for synchronization. |
| trueness | According to ISO 5725-1 the trueness of a measurement refers to the closeness of the mean of the measurement results to the actual (true) value. |
