验证理论

During example analysis process, theoretical assembly model of microminiaturized circular shaft and sleeve is established, and stress-strain relationship with different parameters is deduced by virtual displacement principle; two finite element assembly models of D shaped shaft and gear, circular shaft and sleeve are established.

在实例分析过程中，建立了微小型圆轴和套装配的理论模型，通过虚位移原理得出装配过程中不同参数值下的应力应变关系；建立了圆轴与套装配、D型轴与齿轮装配的有限元模型，验证了数字化微装配中虚拟检测技术的正确性、必要性和重要性。

The method provides principle for the design,application and research of the viscous coupling.

通过实验验证，可定量分析粘性联轴器的各种影响因素，为粘性联轴器的设计、应用和研究提供了理论基础。

Focus on using the spectrogram to recognize. This paper completed the sampling, quantization and preprocessing of the voice signals, and extract characteristic parameters and map spectrogram by MATLAB 6.5. Besides, it also did some further analysis and verification on voice samples recorded by ourselves. Finally, there is an actual cases of voiceprint recognition in forensic expertise.

在MATLAB6.5平台上，完成了从语音样本的采样与量化、语音信号的预处理、特征参数的提取，直到语谱图的绘制，并通过对自行录制的语音样本进行分析，验证了声纹识别的理论以及本文所采用的分析方法，最后，介绍了本识别方法在实际案件中的应用。

In chapter 2, a simple model was proposed to study the relation between the injected amount of an analyte and the water plug length preliminarily injected in field-amplified sample stacking.

第二章：从理论上推导出描述水柱长度与分析物进样量关系的数学模型，并用实验进行验证，实验结果与模型所示趋势基本吻合。

The solutions were found to be good agrees with experimental results. The transfer characteristic of air dry/wet bulb temperature and spraying water temperature were discussed. The LMTD method based on this mathematical model is applicable to design and verify for the plate wet air cooler. The ratio of the wet bulb heat transfer coefficient to the heat transfer coefficient under air-cooled conditions was investigated theoretically and experimentally. The relative errors of the ratio between theoretical and experimental valves are small than 7 percent.

分别得到了平行流型式微分方程组的解析解与交叉流型式的近似解析解，实验验证了该解析解具有较高的计算精度；探讨了空气干湿球温度与喷淋水温的迁移特性；分析得到基于湿球温度迁移模型的对数平均温差法在湿式空冷器的设计与校核计算中是适用的，给出了空气湿球换热系数与空冷时空气对流换热系数比值的理论与实验确定方法，比值系数理论值与实验值比较最大相对误差小于7％。

Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment.

在研究中采用了理论分析、数值仿真和实验验证等手段，提出了多种与主题相关的天线结构。

This theory has been tested on a workstation by programming.

这一理论已在工作站上编程验证。

It contains a pre-processing module that can avoid the computation of zero element blocks and thus improve the system performance.

通过理论分析和实验验证，该系统达到了较高的计算性能。

By theory analysis and using zero voltage vector,a PMSM DTC control system model has been established in Matlab,and the simulation study shows that zero voltage vector can effectively diminish the torque ripple and improve the system performance.

在理论分析的基础上采用零矢量的控制方案，建立了基于Matlab/Simulink的PMSM直接转矩控制伺服系统模型。仿真结果验证了加入零电压矢量可以有效地抑制转矩脉动，提高系统性能。

Based on the acentric relief principle, a new method of accurate relief grinding is presented for making Archimedes hobs.

应用齿轮滚刀的偏置构形原理，提出了齿轮滚刀齿侧面精密铲磨的一种新方法，并用算例验证了模型的可靠性，为制造高精度滚刀提供了可靠的理论依据。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！