一种通过求一个数的补码来得到该数的负数的方法。
A way of producing the negative of a number by obtaining its complement.
此项技术叫做互补码键控（CCK），他只与原标准中规定的直接顺序扩频（DSSS）技术一起工作。
Called complementary code keying (CCK) the technique works only in conjunction with the DSSS technology specified in the original standard.
多相正交码是一种比二元码更优秀的地址码，而多相完全互补码具有更良好的相关特性。
Polyphase orthogonal codes are more excellent address-codes than duality codes, and polyphase complete complementary codes have even more fine correlation properties.
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