| 单词 | active noise cancellation |
| 释义 | > as lemmasactive noise cancellation noise cancellation n. the reduction or elimination of noise (chiefly in senses 1a and 12a); spec. (more fully active noise cancellation) the cancellation of unwanted sound using generated sound waves that are exactly out of phase with the sound waves to be cancelled. ΚΠ 1968 Brit. Patent 1,124,861 1/2 It is..an object of the present invention to provide a data store arrangement..which achieves the noise cancellation advantages of a two element per bit organization, while using only one element per bit for data storage. 1993 World & I Mar. 187/1 They fitted noise cancellation (antinoise) devices to their loading equipment. 2000 Pop. Sci. Dec. 27/3 Honda's Japan-only Accord station wagon is the first to use active noise cancellation instead of body reinforcements to quiet low-frequency noise. < as lemmas |
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