logarithm

美 [ˈlɔːɡərɪðəm]英 [ˈlɒɡərɪðəm]
  • n.对数

复数: logarithms 派生词: logarithmic adj.

logarithmlogarithm

noun

mathematics 数对数
any of a series of numbers set out in lists which make it possible to work out problems by adding and subtracting instead of multiplying and dividing

also informal log

logarithm

频次

  • 1
    N-COUNT 对数
    In mathematics, the logarithm of a number is a number that it can be represented by in order to make a difficult multiplication or division sum simpler.

noun

1
the exponent required to produce a given number
Synonym: log

数据来源:WordNet

  1. Automatic Digital Modulation Recognition Algorithms Based on approximately logarithm Likelihood Method

    基于近似对数似然比的数字调制信号自动识别算法

  2. By use of time effect experiment to calculate time logarithm dose regression equation .

    以时效试验求算时间-对数剂量回归方程。

  3. Study of Radar Logarithm Video Data Compression Based on Wavelet

    基于小波的雷达对数视频压缩方法研究

  4. Method for Obtaining System Transfer Function Based on Open Loop Logarithm Amplitude Frequency Characteristic

    基于开环对数幅频特性求系统传递函数的方法

  5. Application of modified simplex optimization to bent 's limited logarithm method

    修正的单纯形优化法在平衡移动法中的应用

  6. Research on Improvement of Dynamic Range of ADC by Logarithm Amplifier

    对数放大器提高ADC动态范围的研究

  7. Attack on a Distributed Encryption Algorithm Based on Discrete Logarithm

    对基于离散对数的分布式加密算法的攻击

  8. Study about Secure Authentication Based on Composite Discrete Logarithm

    基于混合离散对数的安全认证研究

  9. Calculation of sinking displacement missing in measuring with common logarithm function

    用常用对数函数计算罗子山水库大坝漏测沉陷量

  10. Vertical stress curve change from line to logarithm curve increasingly with height .

    垂直应力变化曲线随冒落高度由直线逐渐变成对数曲线;

  11. Compound Logarithm Concentration Diagram and Its Using in Acid-Base Equilibrium Calculation

    复合对数浓度图及其在酸碱平衡计算中的应用

  12. The process of soil infiltration accords with the logarithm curve .

    模拟发现,土壤渗透过程符合对数曲线。

  13. Life scatter factor method based on the kth order experimental life with logarithm normal distribution

    基于对数正态分布第k试验寿命的分散系数法

  14. An improved attack algorithm for discrete logarithm problem

    一个改进的离散对数问题攻击算法

  15. An Efficient Identification Scheme Based on Discrete Logarithm Assumption

    一种高效的基于离散对数假设的身份认证方案

  16. A new key authenticated scheme for cryptosystems based on discrete logarithms

    基于离散对数加密系统的密钥认证模式

  17. An iterated logarithm law for the maximum in a Gaussian process

    高斯过程的最大值的重对数律

  18. The logarithm of residual settlement is linearly related with the time .

    试样剩余沉降(最终沉降与沉降的差值)的对数与时间呈线性关系,由线性方程的系数可推算出试样的固结系数。

  19. A Law of the Logarithm for Kernel Density Estimator with Directional Data

    方向数据密度核估计的对数律

  20. The results verified that these parameters were fit for normal distribution or logarithm normal distribution .

    同时,对操作温度以及高温构件的蠕变损伤进行检验,认为这些参数分别符合正态或对数正态分布。

  21. Returns the natural logarithm of the gamma function . See Help for the equation used

    返回γ函数的自然对数。有关方程式的信息,请参阅帮助

  22. Logarithm Operation by Means of Linear Components

    用线性元件实现对数运算

  23. An Access Control Scheme Based on Discrete Logarithms and Polynomial Interpolations

    一种基于离散对数和多项式插值的访问控制方案

  24. Application of Logarithm Regression Method in the Control of the Carbon Dioxide Rarefied Tower

    对数回归模型在CO2提纯塔控制中的应用

  25. General pseudo random sequences generator based on discreet logarithm are analyzed .

    利用这些性质,分析了一般离散对数伪随机数生成器生成序列的对应性质,揭示了这类序列的一些内在性质。

  26. Remarks on the Logarithm Function of a Complex Variable

    关于复变量对数函数的一点注记

  27. Returns the natural logarithm of a specified number .

    返回数值的自然对数。

  28. The status of attack on the discrete logarithm of elliptic curves

    椭圆曲线离散对数的攻击现状

  29. The E property returns the value of the base of natural logarithms , or

    E属性返回自然对数的底数的值,或

  30. The Sequential Relationship among Mean Value of Index , Mean Value of Logarithm and Mean Value of Power

    指数均值、对数均值与幂均值的序关系