round-off
英 [raʊnd ɒf]
美 [raʊnd ɔːf]
网络 舍入; 四舍五入; 修整; 舍入误差时
双语例句
- Mathematically precise calculations can be thrown severely askew by small round-off errors caused by finite-precision floating-point numbers.
由有限精度浮点数字引起的很小的舍入错误就会严重歪曲数学精度计算。 - For a few values where round-off comes into play, Math. getExponent() can be a bit or two more accurate than the usual calculation
对于使用舍入的一些值，Math.getExponent（）比一般的计算要准确一些 - However, for negative values of x, roughly-4 and lower, the algorithm used to calculate Math. exp() is relatively ill-behaved and subject to round-off error.
不过，对于负值的x，一般是-4以下的数字，用于计算Math.exp（）的算法表现很差，并且容易出现舍入错误。 - Influence of Round-off Error on Simulation of Summer Climate in the Northwestern Pacific and East Asia in an AGCM
利用大气环流模式讨论舍入误差对东亚和西北太平洋夏季气候模拟的影响 - While often better than no test at all, this is a terrible kind of test, because alongside the things that actually matter, it also tests a million irrelevant details ( like floating point round-off).
通常这样做比没有好，但绝对是一个糟糕的测试，因为除了真正起作用的东西外，也测试了许许多多无关的细节（如浮点舍入误差）。 - Then the round-off errors is analysed during the quantization step of JPEG compression;
然后充分利用JPEG压缩量化阶段的舍入误差； - I_ ( 01) approximation and the round-off problem for coefficients in computation of polynomials
I（01）逼近和多项式计算中的系数舍入 - Round-off error has an influence on the numerical model computations.
文中列出了3种研究复杂数值模式舍入误差的实验方法，指出其一定条件下的等效性，和不同适用范围，对于其他模式的舍入误差影响研究有一定的参考价值。 - The theoretical formula of output signal-to-noise ratio involving quantization noise and round-off noise are derived.
推导了包括量化噪声和截断噪声的输出信噪比的理论公式。 - Round-off Error Analysis of Asynchronous Parallel Iterations Method for Large Linear Systems
线性方程组异步并行迭代法的舍入误差分析 - In this paper, a robust public watermark algorithm in DCT domain is presented. The algorithm takes advantage of the round-off errors during the quantization step of JPEG compression and binary logic to embed the watermark.
提出了一种基于DCT的鲁棒公开水印算法，算法利用JPEG压缩量化阶段的舍入误差，结合二值逻辑进行水印嵌入。 - -By quantitative analysis of the effect on the statistic property of quantizing noises produced by A/ D conversion, which exist in the DFT process, the conclusion is that the round-off quantizing noises will be depressed by average effect of the DFT.
本文通过定量地分析离散傅里叶变换过程对A/D转换量化噪声统计特性的影响，得出如下结论：对于采取舍入式量化误差形式的A/D转换量化噪声，由于DFT过程的求和平均效应而受到抑制。 - This method eliminates completely the unavoidable round-off errors introduced by numerical algorithms and can handle moderate or large integrated circuits.
该方法完全消除了由数字方法引入的不可避免的舍入误差，并能处理中、大规模的集成电路。 - Based on the proposed sensitivity analysis method and grouping round-off method, the optimization of steel frames by second-order P-Δ-δ analysis and design method is investigated in this thesis.
以所提出的敏感度求解方法和分组圆整法为基础，本文对采用二阶P-Δ-δ分析和设计方法的钢框架优化进行了研究。 - In order to improve the accuracy and enhance the real-time ability of tracking, a round-off method is used to remove the potential erroneous points, and a fast matching program based on pyramid hierarchical searching algorithm is included.
为了提高跟踪结果的准确性和实时性，设计了误差舍入方法来消除误差点，并根据金字塔分层搜索算法原理编写了快速匹配程序。 - Round-off Error Analysis of A Class of Iterations
一类迭代法的舍入误差分析 - A Kinematic Analysis of Round-off and Back-Handspring in Women Horse Vault
女子跳马腱子后手翻技术的运动学分析 - See Chaos Motion by Round-off Errors
本征真浑沌与误差赝浑沌&从舍入误差看浑沌运动 - According to Square-Root Kalman algorithm having the phenomenon of the round-off error accumulated, periodical training and the initialization of the algorithm was applied.
针对于平方根Kalman算法的舍入误差积累现象，提出采用周期性训练，重置算法初值的方法改善。 - Kinematic analysis on Cheng Fei's vaulting horse round-off half turn forward handspring half turn straight forward salto move on the 10th national games
十运会程菲跳马踺子转体180°前手翻转体180°直体前空翻动作的运动学分析 - With the established scheme, the quantization parameter can be determined directly, thus avoiding the round-off error, which is brought by the transformation from quantization step into quantization parameter.
由于该方案可以直接确定量化参数，从而避免了由量化步长转化为量化参数产生的舍入误差。 - The numerical results obtained from precise integration can reach arbitrary accuracy within the computer round-off errors for linear Schrodinger equations, but they occupy a large number of computer memory.
用精细积分方法计算线性薛定谔方程的波函数，可以达到计算机舍入误差范围内的计算精度，但计算过程中产生的数据将占用计算机的大量内存。 - To getting better discrete section solution from continuous optimum point, three stage grouping round-off method is proposed.
为了从连续最优解得到更好的离散截面优化解，提出了分为三个阶段的分组圆整法。