Electrical Engineering Glossary Definition for THD

Definition

总谐波失真(THD)：测量信号的失真成分，指信号的等效谐波，用信号振幅的百分比表示。

例如：将12kHz信号作用到输入端，THD是在24kHz、36kHz、48kHz等频点的输出与12kHz频点输出能量的比。

Synonyms

• 总谐波失真

See Also

• 谐波失真
• SINAD
• THD+N
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