舍入误差

为了准确测量钢丝绳的长度，提出了采用比较压紧轮和驱动卷筒的转速比的方法来检测是否打滑，并在程序中采用累积脉冲误差的方法来消除由于微小打滑而出现的舍入误差。

In order to measure the length of steel wire rope precisely , the velocity ratio of pressing wheel and driving windlass is adopted for detecting wheel spin and the accumulated pulse error is also adopted to eliminate the round off error .

自选尺度拟Newton法可望对线搜索的不精确性及舍入误差有较低的灵敏性。

A self - scaling quasi-Newton algorithm admits low sensitivity to line-search inaccuracy and roundoff errors .

然后充分利用JPEG压缩量化阶段的舍入误差；

Then the round-off errors is analysed during the quantization step of JPEG compression ;

投资机构伯恩斯坦研究公司（bernsteinresearch）最近宣称，短期影响非常之小，“近似于每股收益的舍入误差”。

Bernstein research , an investment house , recently dubbed the short-term impact as small enough to be " nearly a rounding error to earnings per share " .

分析了DFT变换器舍入误差对捕获性能的影响。

The affection of the round off errors of DFT transformer to the performance of acquisition is analyzed .

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。

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 .

但若采用一次求和的方法，舍入误差的累积能改善O（h）倍（h为积分步长）。

But when the first-sum formula is used , the accumulated round - off error is about O ( h ) times that of primary formulas , in which h is the step length .

要小心使用BigDecimal（double）构造函数，因为如果不了解它，会在计算过程中产生舍入误差。

You should be careful with the BigDecimal ( double ) constructor because it can allow rounding errors to sneak into your calculations before you know it .

常规的Kalman滤波器已广泛应用于GPS／INS组合系统，但由于系统建模误差和计算舍入误差，Kalman滤波器在工程应用中会出现发散现象。

The conventional Kalman filter is widely used for integration of GPS / INS , however , due to the model and numerical computation errors , the Kalman filter may diverge in engineering implementation .

基于SkewTent映射，提出了一类离散化的有限状态混沌映射，它允许精确的数值计算，没有舍入误差。

In this paper , based on the skew tent map , a class of discretized finite state chaotic maps are proposed which allow an exact numerical study without round_off errors .

采用MPU进行浮点运算时的舍入误差现象的分析，提出了一种减小舍入误差的树型分析法。

The author analyses the rounded errors in floating operation with MPU , put forward a tree analytical method for subtracting rounded errors .

算法对椭球形状矩阵进行Cholesky分解，使得当存在舍入误差时椭球形状矩阵保持正定。

Cholesky decomposition was used in the propagation of the shape-defining matrix of the ellipsoid to keep it positive definite in the presence of roundoff errors .

N>57，有0.1级准确度。对舍入误差结合A/D转换器、CPU以及指令的实际使用情况，做了在8位、16位单、双精度以及定点、浮点情况下的准确界定。

The amount of sampling points over 57 ( N > 57 ), the accuracy 0.1 . Considered A / D converter and CPU and instruction , rounding error in a byte and double byte of fix-point and floating-point are accurately bound .

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。

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 .

另一方面，研究灰色预测算法的计算复杂性，基于Jordan标准形性质提出改进方案并证明能够有效减少计算时间与舍入误差，进而提高预测精度；

Furthermore it introduces an approach on the base of the characteristic of the Jordan matrix to simplify the calculation , and still proves that the approach can reduce the time for calculation as well errors effectively , which can raise the precision of prediction greatly .

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。

Round-off error has an influence on the numerical model computations .

若干最小二乘问题的舍入误差研究

Round - off Error Analysis of Some Least Squares Problems

一种报表数据舍入误差调整算法

An Algorithm for Adjusting Rounding Errors of Data in Reports

线性方程组异步并行迭代法的舍入误差分析

Round-off Error Analysis of Asynchronous Parallel Iterations Method for Large Linear Systems

四元数计算舍入误差的概率分析

Probability Analysis of the Rounding Error in the Computation of the Quaternions

计算机浮点数算术运算的舍入误差研究

Rounding error study of calculator floating-point numbers arithmetic operation

一种二维表格矩阵舍入误差处理的算法

A calculative method to handle rounding error of a two dimension table array

一类迭代法的舍入误差分析

Round-off Error Analysis of A Class of Iterations

文中还仔细地分析了新结构的系数敏感度和舍入误差。

The coefficient sensitivity and roundoff error of the new structurs are analysed in detail .

求解初值问题的仿真算法和人工舍入误差的应用

On simulation algorithms for initial value problems and application of artificial round - off error

本征真浑沌与误差赝浑沌&从舍入误差看浑沌运动

See Chaos Motion by Round-off Errors

浮点数不是精确值，所以使用它们会导致舍入误差。

Floating point numbers are not exact , and manipulating them will result in rounding errors .

该转换表达式避免了数值积分法求解蠕变柔量值产生舍入误差和采用拉氏变换的繁琐计算。

This expression avoids rounding error brought by numerical integral method and complex calculation of Laplace transforms .

复随机信号的四阶统计量估计中的浮点舍入误差分析

Analysis of Floating Point Roundoff Errors in the Estimation of Fourth-Order Statistics of a Complex Random Signal

一方面通过区间方法在舍入误差存在的情况下得到包含最优解且满足要求的任意小区间；

Small intervals containing global optima in the presence of rounding errors are obtained by interval methods .