如果aᵇ=n,那么log𝑎n=b。其中,a叫做“底数”,n叫做“真数”,b叫做“以a为底的n的对数”。log𝑎n函数叫做对数函数。对数函数中n的定义域是n>0,零和负数没有对数;a的定义域是a>0且a≠1。其图像为对数曲线。
... Logranktest,时序检验 Logarithmiccurve,对数曲线 Logarithmicnormaldistribution,对数正态分布 ...
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... log-count-rate recorder 对数计数率记录器 log curve 对数曲线 logger 记录器;工艺参数自动分析记录器;自动记录器,仪表读数 ...
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... Gompertz曲线: Logistic曲线(Logistic): 复合曲线(Compound): Yt= abt 修正复合曲线: Yt= K + abt 对数曲线(Logarithmic):Y = a + b ln(t) S型曲线: 双曲线(Inverse):Y= a + (b/t) 幂指数曲线(Power) : 生长曲线(Growth): 二、季节变动的测量 季节...
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...载法,将总荷载分级加到单桩上,同时观测分级荷载作用下的桩体沉降量,绘制静载荷荷载-沉降曲线(Q-S)、沉降-时间对数曲线(S-lgt),确定单桩承载力特征值。
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药时半对数曲线 semi-logarithmic curve of drug-time
双对数曲线图 log graph
半对数曲线 semilog plot ; semi-logarithmic curve
密度对曝光量对数曲线 density versus log-exposure curve ; exposure curve
累积对数曲线图 cumulative log diagram
互反对数曲线 [数] reciprocal logarithmic curve
正态对数曲线 [数] normal logarithmic curve
对数曲线图 logarithmic curve chart
半对数曲线图 semilogarithmic plot
By comparing the final settlements gained with the calculating results,the method recommended in this article is accurate and is fit for Hexi Areas of Nanjing. In addition,the method of using log curve to predict the settlement in any moment.
本文还介绍了对数曲线预测某时刻沉降的方法,并通过工程实例验证了此法的准确性。
参考来源 - 南京河西地区深层搅拌桩复合地基沉降计算与分析·2,447,543篇论文数据,部分数据来源于NoteExpress
针对对数曲线的多轴联动控制,设计了奇偶步插补算法。
Aiming at multi-axis control in logarithmic curves, an odd-even steps interpolation algorithm was designed.
径流规律分析结果表明,其退水过程按对数曲线规律变化。
The law of runoff is analyzed, the results indicate that the water lowing pattern conforms to logarithmic function.
绘制出了溶洞压力导数半对数曲线和井底压力双对数曲线。
According to the semi-logarithmic curve, pressure derivative curves of vugs initially increase and then decrease;
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