But when the frequency of components is too near, HHT cannot shift the narrowband signal because of mode confusion.
但由于模态混淆，当信号组合分量的频率太接近时，HHT常不能正确分解窄带信号。
Through the operation of confusion and slot number mapping, a frequency hopping sequence can be produced with fine uniformity and less-than-512 arbitrary slot number.
该方法通过混淆运算、频隙映射的方式产生出均匀性好、可用频隙数小于512的任意频隙跳频序列。
From one hundred statistical results it is clear that confusion frequency drops greatly when using message fusion techniques.
从一百次统计结果来看，采用这种信息融合技术之后，混批频率大为下降。
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