1) second degree Boolean difference
二阶布尔差分
2) first degree Boolean difference
一阶布尔差分
1.
This paper presents a method for seeking out the testing set of a single internal fault of combinational circuits with developed first degree Boolean difference and the testing set of multiple faults of combinational circuits with multiple degree Boolean difference.
给出了用一阶布尔差分法的扩展来求组合电路内部单故障测试集的方法；同时也讨论了如何用高阶布尔差分法来求组合电路的多故障测试集，进而给出了求组合电路双重故障测试集的４个公式，并结合具体电路阐述求解相应的故障测试集的过
3) Boolean difference
布尔差分
1.
Tabular method of calculating Boolean difference and partial derivative;
计算布尔差分与布尔偏导数的表格方法
2.
Graphic method calculating Boolean difference based on K-map.;
基于K图的布尔差分计算的图形方法
3.
Tabular method of calculating Boolean difference and partial derivative of logical functions;
计算逻辑函数布尔差分及布尔偏导数的表格方法
4) second difference
二阶差分
1.
Phase unwrapping algorithm based on minimum second difference;
基于最小二阶差分的相展开方法
2.
Weighted minimum cost flow phase unwrapping algorithm based on second difference;
基于二阶差分的加权最小费用流相位展开算法
5) Boolean-Difference-Method
布尔差分法
6) second order difference method
二阶差分法
1.
By second order difference method processing of the resistivity depth sounding data on the Jiaojia type fracture zone alteration rock pattern gold deposit, the top interface of the deep fracture zone alteration-mineralization belt can be clearly identified and the top interface burying depth can be calculated by the 0- line feature of ρ_α~m section map.
焦家式破碎带蚀变岩型金矿床上的电阻率测深资料经二阶差分法处理后,可以明显识别深部断裂构造蚀变矿化带的顶界面,并可利用ραm断面图的0-线特征求取其顶界面埋深。
补充资料：对称差分(n阶的)
对称差分(n阶的)
symmetric difference of order
对称差分(n阶的)l另11111州tric山ffer曰℃eof份der‘c“MMe邓一，ecK即pa3Hoc几“op，皿Kan」，一元实变函数f在点x上的 表达式 声/n、，.、。，/.n一Zk八 △口ffx，h)=)l:’1(一1)“f lx十二二~一竺二生h 1. 一‘““一””k饥戈k/、‘产“戈一2‘’/‘将h换成Zh，下面的表达式也称为对称差分: 息川(一1)*，‘二+、。一2、)。).假若f(x)在x有n阶导数厂时(x)，那么 △二f(x，h)=./戈n)(x)h”+o(h”). T .fl .J’IyKame皿。撰
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参考词条