提出了一种新的概率函数计算方法，用于研究金融时间序列在方差波动方面的多重分形特征。
A new probabilistic function for studying the multi-fractal features on the volatility of variance of financial time series is proposed.
针对MB - OFDM UWB系统的性能特征，基于理论分析系统的成对错误概率，获知编码增益和分集增益的计算公式，从而得到空时频编码方案的设计准则。
Aiming at the performance characteristics of MB-OFDM UWB, the formula for coding gain and diversity gain is worked out based on pairwise error probability of theoretical analyzing system.
根据邮件特征出现在垃圾邮件和非垃圾邮件中概率不同，提出了特征对邮件分类贡献度的概念，并给出了其计算公式。
We advance a concept of degree-of-contribution(DC) witch measure a feature's contributions to Spam Filtering, based on the probability of it appears in Spam and Ham.
应用推荐