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1)  contrast value
反差值
2)  Reverse Difference
反向差值
1.
Reverse Differences of NC Machine Tools Coordinate and the Curves Analysis;
数控机床坐标反向差值及其曲线分析
3)  average absolute difference
均值反差
1.
Based on background forecast algorithms existed already,an average absolute difference filter algorithm is presented as the dissimilarity measurement between object and background region.
在已有背景预测算法的基础上,提出了一种基于均值反差法作为不相似度量对图像进行滤波,在增强小目标的同时抑制了复杂背景,并通过自适应的背景预测算法,实现了对小目标的快速检测。
4)  gamma infinitive
反差极限值
5)  anti-deviation value function
反偏差阈值函数
1.
For the purpose of increasing the system s response speed,anti-deviation value function has been used in internal neuron network,while duel-mode ne.
为提高系统响应的快速性 ,在神经网络内部采用反偏差阈值函数 ,在神经网络外部采用双模式神经网络控制结
6)  difference value
差值
1.
This article introduces selecting detection method, load standard weights loading quantity and showing value error which is derived by weighing value when we dectect difference value among its weighing results of different weighing way and different structure weighing instruments.
本文对不同称量方式,不同结构的衡器,在检测其称量结果之间的差值时,选用的检测方法,加载标准砝码的量,称量值导出的示值的误差要求等做了介绍。
2.
Method Through compared to the examination system with at the same time the examination system which monitors to the patient is been fresh samples to carry on the examination,will examine theresult the difference value manufacture to quality control the chart,to controlled the examination system the accuracy and the accuracy carries on the monitoring and control.
方法通过参比的检测系统与被监控的检测系统同时对病人新鲜标本进行检测,将检测结果的差值制作质控图,对被控检测系统的精密度和准确度进行监控。
补充资料:差值傅里叶法
分子式:
CAS号:

性质:在晶体结构分析中广泛应用的一种技巧。用它可在扣除先解析出已知原子坐标的基础上不断搜索待解析、未知原子的空间位置。设|F′c|与φ′相应为根据已知重原子或部分原子或非氢原子的坐标算得的结构因子模与位相的计算值,|FO|是结构因子模的实测值,则差值电子密度函数△ρ按下式进行计算由△ρ傅里叶级数的计算结果中可导出已知原子以外的原子坐标信息。因上式中傅里叶系数与结构因子模实测值与计算值的差值相关,故称作差值傅里叶法。

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