查询词典 sampling

For the reliability analysis of implicit limit state function, finite element analysis is a time-consuming process, and it impedes the application of normal importance sampling approach.

对于含有隐式极限状态方程的问题，重要抽样方法将大部分的计算时间用于结构有限元分析，这使得重要抽样的计算效率被大大降低了。

In this paper a new application of genetic algorithm in FIR filter design with frequency sampling method is presented.

摘 要：本文介绍了遗传算法在FIR滤波器设计——频率抽样法中的应用。

As a first approximation, we can assume 6dB per bit during the sampling process.

作为最初的估计，我们假设在采样过程中是6dB／位，因此，在16位线性采样情况下，我们可以得到如下结果

Meanwhile,data sampling of curves were fitted by using Cardinal curve.

一般工程技术人员是通过专业手册查阅曲线获取数据的，致使设计人员的精力过多地浪费在设计过程中烦琐的细节问题上，导致设计效率低。

According to the GST, it is not in fact necessary to sample with one fixed sampling period (1/fs).

根据GST，实际上没有必要以一个固定的采样周期(1／fs)进行采样。

Map strip sampling has no length and width; it also doesn't require the fixed shape of sample. The method provided a convenient way to determine the region for survey and calculated the area of the strip sample, thus resolving problems with calculating the survey area in past work.

地图样带法没有长度和宽度概念，也没有规定样带的既定形状，提供了一种确定调查范围和计算样带面积的便捷方法，解决了过去调查中样带面积计算的难题。

Methodology: Random sampling in the designated sites in the vegetable producing bases was conducted to collect 120 samples; Gas chromatography and gastity joining flocculus were adopted to test residues of 13 kinds of agro-chemicals such as organic Phosphorus,organic Chlorine and Dalmatian Chrysanthemum Ester remaining on vegetables from the producing bases, free markets and wholesale markets of Hezhou ciaty.

采用随机与定点抽样的方法采集贺州市主要蔬菜生产基地及农贸、批发市场中蔬菜样本120份，采用气相色谱和气质联谱法测定其中13种有机磷、有机氯和拟除虫菊酯类农药残留。

The floristics of seed plants in coastal hilly areas of southern Hainan Island was studied on the basis of data of 6 600 m2 sampling plots and route survey.

在对海南岛南端沿海低山丘陵森林植被进行实地调查的基础上，研究了该地区种子植物区系。

Flume through one pair of the interface to illustrate the C language PID procedures, as well as control of the sampling C language!

通过一个对水槽的操作界面来说明C语言PID程序，以及采样控制的C语言编写！

In order to implement the algorithm, a linearization method is applied in an extremely short sampling cycle to calculate the increments of torque and flux magnitude, to derive the linear equation between the desired stator flux linkage vector increment angle and the increments of torque and flux magnitude, to derive the stator voltage vector reference and to determine the next position of the stator flux linkage vector.

算法的实现运用了线性化的方法，在一个极小的采样周期内，计算出转矩增量和磁通增量，以此推导出所需的定子磁链增量角与转矩增量及磁通增量两者之间的线性方程，进一步导出所需的定子电压矢量，并确定新的定子磁链位置。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。