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1)  step [英][step]  [美][stɛp]
步长
1.
Designing and realization of automatic changing step in selective lever meters based on single chip;
基于单片机的选频表自动变步长的设计实现
2.
A Modified Variable Step Size Constant Modulus Algorithm;
一种改进的变步长常数模算法
3.
On the Tolerance of Fixed Optical Path Difference and Step in Michelson Interferometer;
迈克尔逊风场干涉仪基准光程差及步长误差容限分析
2)  step size
步长
1.
The improved newmark algorithm with adaptive step size;
一种可自调步长的改进Newmark算法
2.
Focusing on the distribution rule of feature points, a searching method based on changeable step size was presented.
针对特征点的分布规律给出一个可变步长的搜索方法,该方法兼顾搜索速度与搜索结果精度,最后根据特征点的位置获得扫描人体的特征尺寸并且生成人体骨骼。
3.
To remedy its shortcoming of long computing time and large storage, a step sizepredictor and an initial-value predictor are adopted and for some subcircuits with poor con- vergence,continuous differentiation is used.
提出一种以波形松弛法为主的方法,保留了波形松弛法迭代稳定性高和迭代解精确的优点,而针对其计算速度不高和存储量大的缺点,采取了预报步长、预报初值以及在收敛性不好的部分子方程采用微分连续法处理等措施而予以抑制和改善。
3)  step length
步长
1.
According to its grading standard,API was divided into groups with certain step length,and the correlation model with the mean value of AOT and API was built up,then with the m.
空气污染指数API(Air Pollution Index)是关系大众生产生活的一个重要指标,论证了一种由MODIS(中分辨率成像光谱仪)反演的气溶胶光学厚度产品AOT(Aerosol Optics Thickness)预报空气质量的方法,即依据API的分级标准,将API用特定的步长分组,再把各组的AOT和API均值建立相关模型,并用该模型来预测空气质量指数,经验证,预测值和实际值之间的精度为77。
2.
The relation of the step length of cutting tool with mechanical error when machining curved face in the 5 coordination NC machine, and the calculating formulas are deduced.
讨论了在五坐标数控机床上加工曲面时刀具走刀步长和切削带步长与加工误差的关系并推导了计算公式。
3.
The effect of step length on the gain characteristics of optical waveguide amplifiers is studied.
用四阶龙格-库塔法计算了10cm长光波导放大器中的光功率传输方程,研究了步长对放大器增益特性的影响,计算结果表明:步长对放大器增益特性的影响较大,特别是当步长为1cm时,放大器的增益在非饱和区呈振荡状态。
4)  stride length
步长
1.
The parameters, such as the maximum speed, stride frequency, stride length, split time and reaction time of the first six runners, are analyzed and studied.
收集与整理了第2届世界田径锦标赛、第24届奥运会和第3届世界田径锦标赛男子百米决赛前六名运动员的最高速度、步频、步长、分段时间和反应时等项参数进行了分析与研究,旨在探索当今世界男子百米赛跑发展趋势,为提高我国男子百米赛跑水平提供参考依据。
2.
By reading the information and comparing the date, this paper dissects and analyzes the technical parameters, such as reation time, stride length, stride frequency and maximum speed that Lewis presented.
通过阅读文献资料、数据对比等方法,对卡尔、刘易斯百米跑的反应时、步长、步频、最大参数等技术参数进行剖析。
3.
Parameters, such as split time, speed, stride length and stride frequency of the present elite 100m men runners in China and in the world , are analyzed by comparing the data, and the wcakness of the chinese runners is described.
通过数据对比,对当今中国及世界优秀男子100m跑选手的分段时间、速度、步长、步频等项参数进行对比分析,从中揭示了中国选手的差距所在。
5)  step-size
步长
1.
Variable step-size odor tracing and source localization algorithm for mobile robot
面向气味跟踪与定位的机器人变步长搜索算法
2.
The step-size of the master filter is a function of the original SNR.
主滤波器的步长是输入信噪比的函数,对这个步长函数的选取,我们根据函数类型考虑了几种不同情况。
3.
Aimed at the oontradictory between the convergence speed and the steady-state errors in the conventional CMA,an im- proved method was proposed to control the step-size adaptively,The method uses Gauss function to realize the non-linear mapping between constant modulus errors and step-size.
针对常规恒模算法收敛速度与稳态误差之间的矛盾,提出了一种改进的自适应步长控制方法。
6)  grid spacing
网格步长
1.
Wave equation numerical modeling by finite difference method with varying grid spacing.;
波动方程变网格步长有限差分数值模拟
补充资料:步长
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性质:在单纯形优化法中,每次向前推移单纯形的距离。采用较大的步长推移单纯形,可以加快优化速度,但得到的优化条件的精度较差,而采用较小的步长推移单纯形,得到的优化条件的精度提高,但减慢了优化速度,通常采用可变步长来解决优化速度与精度之间的矛盾。

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