旋转因子 [数] twiddle factor
- 当子块和旋转因子数目增加时,峰均比的降低会得到改善。
As the number of sub-blocks and rotation factors increases, PAPR reduction improves. - 作者已经证明,在基2的情况下,RCFA与旋转因子合并的频率抽取FFT算法是完全等价的。
The authors have proved that, in the case of radix 2, the RCFA is exactly equivalent to the twiddle factor merged frequency-decimal FFT algorithm. - 最后,利用旋转因子分析方法,对年代际及年际尺度因子的潜在结构对长江中下游夏季降水的影响进行了研究。
In addition, the effect of the potential structure of factors with interdecadal scale and interannual scale on the precipitation anomaly is analyzed by the rotated principal component analysis.
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