logarithm

noun

1. 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

1. 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.

1. It calculates the logarithm of1 plus its argument.
   它计算1的对数和参数（1p表示“加1”）。
2. While this doesn't sound like a big deal, the difficulty of factoring and finding a discrete logarithm forms the basis of most if not all public-key cryptography systems.
   虽然听起来这并不是什么了不起的事，但分解并找到一个离散对数的困难形成了大部分公用密钥密码学系统的基础，如果不是全部的话。
3. A method is proposed for improving the consistency of inconsistent judgment matrix based on exponential scale, by the value of compatibility index of logarithm.
   利用对数意义下的相容性指标提出了一种基于指数标度下判断矩阵的一致性调整方法，并通过算例表明该法是切实可行的。
4. Further, presented the correlations between multifractal spectrum and logarithm of mean traffic.
   进一步研究了多重分形谱参数与平均流量对数的关联关系。
5. Linear regression models are established for both logarithm of heavy metal content and normalized ratio emissivity and are used to verify the significance of the regression equations.
   建立了土壤重金属含量的对数值与发射率标准化比值的线性回归模型，并对回归方程的显著性进行了检验。
6. The elliptic curve discrete logarithm of non singular elliptic curve over finite field has no efficient attack up to now, which made it cannot be widely applied in cryptography.
   目前，在有限域上非奇异椭圆曲线离散对数问题还没有有效的攻击方法，使其在加密技术中得到了广泛应用。
7. A new logarithm linearization compensation method of thermistor without temperature drift is proposed in this paper.
   提出了一种新的无温漂对数热敏电阻线性化补偿方法。
8. The security of the new protocol was based on the discrete logarithm on elliptic curve, and the server did not need to be completely trusted.
   新协议的安全性基于椭圆曲线离散对数问题，服务器并不需要完全可信。
9. A multi-level threshold multi-secret sharing scheme based on bivariate polynomial and the intractability of the discrete logarithm was proposed.
   基于离散对数问题的难解性，利用二元多项式，给出一种多级门限多秘密共享方案。
10. In this paper, one method of jamming effectiveness evaluation for speech communication based on the power added logarithm spectrum distance of two speech signal is presented.
    介绍了利用两个语音信号序列的加权对数谱距离对语音信号的干扰效果进行评估的方法。
11. Can occur if you try to calculate the square root or logarithm of a negative number.
    如果你试着计算否定数目的正直根或对数，能发生。
12. Analysis of a digital signature scheme based on discrete logarithm and factoring
    一个基于离散对数和因子分解的数字签名方案的分析
13. The number of which a given number is the logarithm.
    一个已知数是某数对数的数。
14. The merits and deficiencies of the logarithm model in air combat capability assessment of fighter aircrafts are analyzed.
    详细分析了对数法模型评估飞机空战能力时的优点和不足之处。
15. Returns the logarithm ( base-specified) of a value.
    返回某个值（以指定底为底）的对数。
16. The natural logarithm of this ratio is called the logarithmic decrement.
    此比率自然对数称为对数的减量。
17. Analysis of a Proxy Multi-Signature Scheme Based on Discrete Logarithm
    基于离散对数的代理多重签名方案分析
18. If we use exponentiation to encrypt or decrypt, the adversary can use logarithm to attack.
    如果我们运用求幂运算来加密和解密，对手就可以运用对数进行攻击。
19. The potential of reductive peak is linear with the logarithm values of scan rate.
    还原峰的峰电位与扫描速率的对数值呈线性关系。
20. In cryptography, we also need to discuss modular logarithm.
    在密码学中，我们也需要讨论模对数。
21. A threshold group signature scheme based on RSA and discrete logarithm
    基于RSA与离散对数的门限群签名方案
22. The fifth day is the logarithm stage for the mycelium growth.
    菌丝体生长的第五天为菌丝对数生长阶段。
23. The hyperelliptic curve cryptosystem is based on the hyperelliptic curve discrete logarithm problem, and has the higher safety and the shorter operands compared to other cryptosystems.
    超椭圆曲线密码体制是以超椭圆曲线离散对数问题的难解性为基础的，具有安全性高、操作数短等优点，相对于其他密码体制有明显的优势。
24. Both of their security are based on the intractability of elliptic curve discrete logarithm problem.
    两种方案的安全性都是基于椭圆曲线离散对数问题的难解性。
25. Returns the natural logarithm of a number.
    返回一个数的自然对数。
26. The log() function returns the natural logarithm ( base E) of a number.
    函数的作用是：返回一个数值的自然对数。
27. This paper analyzed principles in dealing with the order of logarithm times, and determined right order of times to predict fatigue lifetime.
    分析了对数阶次处理的原则，确定了适合桁架结构疲劳寿命预测的阶次；
28. Methods Far sight was examined through E Standard Logarithm Eyesight Table.
    方法远视力检测使用E字标准对数视力表进行常规检查。
29. The security of the scheme is set up on the intricate nature of the elliptic curve discrete logarithm problem and the knapsack problem.
    方案的安全性建立在椭圆曲线离散对数问题和变形的背包问题的难解性上。
30. Now, let's take care of exponential and logarithm functions.
    现在，让我们的指数和对数函数的照顾。

noun

1. the exponent required to produce a given number

   Synonym:    log