查询词典 dimensional analysis

The analysis is extremely useful in the accurate design of three-dimensional integrated optical devices based on spatial-crossing waveguides.

为基于空间波导的三维集成光学器件的设计和分析提供理论基础。

This invention relates to three-dimensional seismic data processing quality monitoring technology. Selecting time-window and analysis frequency for FFT to obtain frequency-domain conversion result for every channel; taking mean-filter to obtain the statistic excited energy or noise disturbance; plotting all results on plane graph to monitor the 3D excited energy or noise disturbance; taking normalization and autocorrelation to all earthquake channel; summating all autocorrelation statistic result to obtain opposite statistic autocorrelation result; finding out and plotting the zero-crossing of autocorrelation on plane position for monitoring excited wavelet.

本发明涉及一种三维地震资料处理质量监控技术，步骤是：选定时窗和分析频率；对某炮各地震道在时窗内做快速富立叶变换，得到道数据在频率域变换结果；对同炮的所有地震道做频率域中值滤波，得到该炮的统计激发能量或噪声干扰量结果；将所有炮的计算结果绘到各炮点平面图上，监控三维激发能量或噪声干扰；对地震数据某炮的各地震道做归一化自相关；对同炮的所有地震道的自相关统计求和，得到该炮的统计自相关结果；寻找该炮统计自相关的零交叉时，将所有炮的零交叉时绘到各炮点平面位置上，完成激发子波监控。

Numerical models of three-dimensional finite element analysis based on Ansys code are established to study the settlement of socles on pile foundation underpinning construction for a three-floor frame structure, on which a flat basement is built.

为了研究一个3层框架结构建筑物增加一层地下室桩基础托换过程的地基沉降规律，建立了3个工况的ANSYS三维有限元模型，并进行数值分析。

A three-dimensional real-time observation instrument was developed, which was con- sisted of crystal part, optic observation part, and result analysis part.

最近建立一套用干晶体三维实时观察的装置，主要分为光学观察部分，晶体生长部分，结果处理部分。

Numerical simulation of drawing process for automobile front wheel panel was studied by using the software Dynaform for three-dimensional sheet metal forming analysis.

采用板料成形三维有限元分析软件Dynaform对某车型前轮罩板的拉深成形过程进行了数值模拟。

In addition, three-dimensional flow analysis is carried out to verify the performance improvement of the new support board. It is found that with the new support board the efficiency of the fan is improved over the entire range of mass flow, the losses are reduced and the flow in support board passage become more reasonable.

并对改进支板后的风机进行了详尽的三维数值模拟计算，计算结果表明采用改型后的支板结构使得在整个流量范围内风机的效率有所提高，支板通道中的分离漩涡等各种流动损失明显减小，支板通道的流动更加合理。

Three-dimensional finite element analysis in time domain for dynamic soil pile interaction of CFST arch bridge with a main span of 85 m and pile draft foundation was carried out.

随着钢管混凝土技术的不断进步，钢管混凝土拱桥在我国得到了越来越广泛的应用。

NET and three dimensional CAD software SolidWorks2004, the special-purpose three plungers reciprocating pump CAD system collecting the design, the lectotype, the analysis and the plot as a body is developed in this paper.

NET和三维CAD软件SolidWorks2004开发出一套集设计、选型、分析及绘图为一体的专用三柱塞往复泵的CAD系统。

Further theoretical analysis demonstrated the lateral effective width of crescent-shaped quantum wires was 6nm within the regime of quantum size. With two-dimensional separated-confinement-heterostructures, the multi-quantum-wire laser arrays operated in pulsed condition (1kHz/1μs) at room temperature, and their pulse light outpower reached more than 115mW, which is the best among all quantum wire lasers reported previously.

这种多量子线激光器列阵具有二维分别限制的异质结构，并在室温脉冲（重复频率1kHz，脉宽1μs）下产生激射，光脉冲线性输出功率可达115mW以上，这是目前国际上各类量子线激光器的最好水平；子带间能隙最大为27meV，与室温下热离化能相当，优于目前国际上报道的同类量子线激光器的最好水平。

Analysis shows that this approach can find the outliers in high-dimensional space effectively.

分析表明，该算法能有效地发现高维空间数据中的离群点。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新