truncation error
数值分析和科学计算中由于近似数学过程而引起的误差
常用释义
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美式发音
基本释义
- 数值分析和科学计算中由于近似数学过程而引起的误差
例句
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1·We therefore have a truncation error of 0.01.因此,我们有一个截断误差为0.01。
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2·Thetormulae of truncation error have been derived mathematically.从数学上推导了截断误差的计算公式;
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3·The scheme exhibits global second order accuracy, despite its first order local truncation error.这种差分格式虽然只有一阶的局部截断误差,但实际具有二阶的收敛性。
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4·The results of computer simulation show that the truncation error caused by finite scanning plane can be effect…计算机模拟结果表明,通过对近场进行加余弦窗的数据处理能够有效地减小有限扫描面截断误差。
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5·But all their precisions are limit to one-order truncation error, and make severe accumulate error on discrete models.这些方法的精度都局限在一阶截断误差,在离散的网格上有严重的累积误差。
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6·Sampling plane truncation error is a very important factor of affecting the result in time domain near field measurement.采样面截断误差是影响近场测试结果的一个很重要的因素。
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7·This algorithm adjusts the step-size appropriately according to the presupposed precision and the local truncation error of each step.该算法根据每步计算中局部截断误差和精度的要求,合理调整步长大小。
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8·The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of Fourier series.介绍了直接数字频率合成技术以及分析其杂散误差,对相位截断误差和幅度量化误差进行了傅立叶级数分析研究。
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9·This paper introduced the classification of numerical calculation errors, and used math expressions as examples to illustrate truncation error.介绍了数值计算中的误差类别,用数学表达式举例,说明了截断误差,根据IEEE754标准用数学表达式说明了舍入误差;
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10·In fact, any numerical discretization method has truncation error and there's no need to treat the difference equations as equality constraint.事实上,由于任何数值离散方法均存在截断误差,将其作为等式约束是没有必要的。