查询词典 harmonic analysis

As a result, many risk identification techniques have been developed, including brainstorms, interviews, questionnaires, checklists and prompt lists, assumptions/constraints analysis, SWOT analysis, Delphi groups, nominal group technique, root cause analysis, failure modes analysis and others. Some of these methods are creative and others draw on past experience; some can be undertaken by individuals while others require group input; some approaches are simple and rapid where others are labour-intensive and take time.

因此许多的风险辨识技术被发展出来，包括脑力激荡、访谈、问卷、检核表与清单、假定/限制分析、SWOT分析、德菲群体、提名小组技术、根由分析、失效模式分析、以及其他方法；其中某些方法是创造性的，某些则是基於过去的经验；某些可以由个人来执行，某些则需要团体的投入；某些途径简单且迅速，某些则是劳力密集又耗时。

The sensitivity degree of correlation analysis methods to noises, the effect of matching length on correlation analysis methods, and the applicability of correlation analysis methods to geomagnetism matching algorithm for flying objects were discussed according to the simulation results, which would offer a reference for the selection of correlation analysis methods and form a base for further deep studies on matching algorithms.

根据仿真结果，讨论了各种相关分析方法对不同噪声的敏感程度、匹配长度变化对各种相关分析方法的影响以及各种相关分析方法对飞行器地磁匹配制导的适用性，为相关分析方法的选择和对匹配算法进行更深入的研究奠定了一定基础。

In order to test theory hypothesises,this paper uses online questionnaire to collect data and then carries out statistical analysis.The main research approaches used to carry out quantitative analysis are statistical description,paired sample T-test,ANOVA,components analysis and multiple linear regression analysis.

为了验证理论假设，本文通过网络在线填写问卷的方式收集数据，并综合运用了描述性统计、配对样本T检验、方差分析、因子分析和多元线性回归分析等数理统计方法展开普遍意义上的定量分析。

The study takes descriptive statistical analysis, factor analysis, correlation analysis, and multiple regressions to do data analysis.

本研究并以叙述性统计，因素分析，相关分析，多元回归分析等统计分析来进行资料分析。

In order to eliminate the harm brought by the wave aberrance of voltage and current, it is necessary to control the harmonic wave and compensate the reactive power. So it is very important to test the electric parameters.

为了消除电压、电流的波形畸变产生的危害，就必须对电力系统进行谐波抑制和无功补偿，因此对电力系统中的电气参数进行测试和分析就显得尤为重要。

A new method based on the Fourier-Bessel series is proposed to calculate the higher-order harmonic components of a nonlinear ultrasound field in absorbing medium and an analytical solution of a series form is obtained. A closed analytical solution of the higher-order harmonics in the zeroth-order Bessel ultrasound field and the focused Gaussian ultrasound field is deduced to study the field property, especially the near-field property.

提出了一种基于Fourier-Bessel级数的新方法，用于计算吸收媒质中非线性超声场的高次谐波分量，得到其级数形式的解析解，由此推导出吸收媒质中零阶Bessel超声场、Gauss聚焦超声场高次谐波的封闭解析解，进而对其声场特性尤其是近场特性进行了研究。

The fundamental and higher-order harmonic ultrasound fields of a zeroth-order Bessel ultrasound field and focused Gaussian field in absorbing medium are computed and simulated by solving the KZK equation using a frequency domain finite difference method.

通过频域有限差分方法求解KZK方程，对吸收媒质中的零阶Bessel超声场、Gauss聚焦超声场进行计算，得到基波和高次谐波声场的数值解和仿真图，计算仿真结果验证了上述的理论结论。

With the rapid development of electronic technology, a large amount of non-linear load has appeared in the power system, while absorbing the power of the principal wave , these non-linear load will produce a large number of harmonic wave and pour them into the power system.

随着电力电子技术的迅速发展，电力系统中出现了大量的非线性负荷，它们在吸收基波功率的同时，产生大量的谐波注入电力系统。

The extent of the harmonic response coming from the tissue is dependent on the MI settings (= mechanical index, which is correlated to the acoustic pressure).

来源于组织的谐波信号的强度由MI的设置决定（=机械指数，和声压相关）。

By analyzing, the fault transient component of third harmonic voltage at neutral is approximately equal to that at terminal. Choosing their sum and difference as the action and restrai nt signal respectively, the protection detects the ground fault by comparing the spectrum energy of action and restraint signals.

该保护方案根据单相接地故障后机端和中性点 3次谐波电压的故障暂态分量近似相同的特点，把两个故障分量的相量和与相量差分别作为保护动作信号及制动信号，通过比较数据窗内相应信号的谱能量检测定子单相接地故障。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。