DCT is the basis of lapped transform,and we analyze a decomposition method of DCT and find its inaccuracy. Different fast algorithms for DCT have different scaling factor,therefore,they have different complexity.
3、浮点数的DCT的快速分解结构往往具有不同的比例因子,所以,不同的分解结构往往具有不同的复杂度。
参考来源 - 基于重叠变换和小波变换的图像压缩研究The paper proposes a method of the visibility of iris,which is expressed with the weighting factor of iris and scaling factor of pupil.
在虹膜可见度上,是用虹膜比重因子和瞳孔缩放因子的乘积来表示。
参考来源 - 虹膜图像质量评估方法的研究By theoretic analysis and simulations, the influences of various parameters and structures of fuzzy controller to system performance are discussed, and a self-adaptive fuzzy control method (SAFC) based on self-adjusting of output scaling factor and rule scaling factor is proposed.
通过理论分析和仿真实验，探讨了模糊控制器各种不同参数和结构对系统控制性能的影响，提出了一种基于比例因子和规则因子自调整的自适应模糊控制方法（SAFC）。
参考来源 - 模糊控制方法在交流传动控制系统中的应用研究An important issue of LVQ is the tuning of its key parameter, the scaling factor, having the effect of altering the size of the basic quantization cell and influencing bit-rates and distortion while encoding.
在格型矢量量化中很重要的一点是参数尺度因子的调节问题,会影响到基本量化单元的大小,进而影响图像编码的比特率和失真。
参考来源 - 基于方向滤波器和小波变换的图像编码Thirdly we expound the basic methods how to construct the adjoint model including adjoint code technique, objective function formation, and how to adopt the weighting coefficient, scaling factor, descent arithmetic.
然后详细阐述了本文同化试验所用的MM5四维变分同化系统中构造伴随模式的基本方法—伴随码技术以及伴随模式中目标函数的构造，及其权重、尺度因子、下降算法的选取。
参考来源 - 多普勒天气雷达资料的反演及其在中尺度模式中的四维同化试验For reducing the influence of driving cycle variation on the performance of vehicle,a scaling factor of driving cycle is introduced.
为减小行驶工况波动对汽车性能的影响,引入行驶工况比例系数。
参考来源 - 计及行驶工况影响的混合动力汽车控制策略·2,447,543篇论文数据，部分数据来源于NoteExpress
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