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The equation of ESCDAC is presented. Secondly, Based on this equation and the independent characteristic of observation valves, the ESR of the azimuth measurement error is presented by full - difference of the measurement equation which acts as the precision of ESCDAC.

然后以该方程为基础,根据该方程中各个观测量相互独立的特点,方位测量误差的均方根值可由测向方程的全微分求得,并将其作为电扫描恒差比幅测向的精度,由该精度公式可以看出,电扫描恒差比幅测向有很高的精度,并且在不同的角度上,其精度保持稳定。

Based on the background given above, this dissertation studies the theories and technologies related with dynamic balancing , makes full use of DSP chips wonderful computational performance, finally researches and designs a portable dynamic balancing system, simplifying the field dynamic balance of rotating machines. Besides, a new method named Order Tracking Based On Phase is presented, which realizes order tracking purely by software. This method simplifies the hardware set for dynamic balancing and has the definitude physical meaning.

基于这样的背景,本文在对动平衡原理及技术方法深入研究的基础上,利用DSP芯片的高计算性能研制便携式嵌入式动平衡系统,使得旋转机械的现场动平衡工作更为简化方便;同时对与动平衡信号处理密切相关的阶比跟踪方法进行了深入研究,在此基础上提出了基于相位的阶比跟踪方法。

Sun is bigger than Bryant and had the ball on top of the floor all by himself.

孙悦则比科比更高,而且在三分线附近全是他自己在控球。

The results showed that the lower the ratio of branch to fruit was,the higher loads the tree had,which resulted in the apple rough bark disease.

结果表明,枝果比过小导致负载量过大,加重轮纹病的发生,枝果比(5~6)∶1的病情指数较低,且有较高的产量和较好的质量。

Estimating calculation method of consistencycan be used to calculate bleach agent consistency in the saturation water of fiber cell wall.. The main cause of the reaction rate of displacement bleaching being faster than that of conventional bleaching is that the bleaching agent consistency in the saturation water of fiber cell wall, when bleach liquor mix with pulp by displacement way, is bigger than that of by conventional way.

浓度估算法可用于估算漂剂在纤维细胞壁饱和水分中的浓度,置换漂白比常规漂白反应速度快的主要原因在于漂液以置换方法与纸浆接触混合后纤维细胞壁饱和水分中漂剂的浓度比常规方法的高。

Because metal naphthalocyanine has larger conjugate system than MPc does, and its main absorption peaks shift to 750~850nm region, which is optimal for light penetrating tissue. That would endow MNc with strong photodynamic effect and weak phototoxic by-effect. And it would be a new and practical PDT photosensitizer.

本文考虑到比金属酞菁具有更大共轭体系的金属萘酞菁配合物(Metal Naphthalocyanines,简称MNc)其电子吸收光谱Q带主吸收峰比金属酞菁红移100—150nm,达到750—850nm范围,位于人体最佳透射波段的近红外区,这既可使之具有较高的激发效率和较强的肿瘤细胞杀伤效应,又可更进一步降低可见光引起的光毒副作用,可望成为新一类有应用前景的抗癌光敏剂。

Surface tension effects on condensate retention angle and condensation heat transfer coefficient of carbon dioxide were studied.

综述了水平低翅片管外凝结传热的基本模型,阐述了二氧化碳制冷剂的物性特点,讨论了表面张力与凝液滞留角及二氧化碳管外凝结换热系数的关系,分析了翅片密度、环形翅片管尺寸对翅片效率、滞留角、凝结换热系数以及传热增强比的影响,优化了外翅片管的齿高与齿距,并求得相应的强化传热增强比。

The number of fruits had the highest directly positive relationship with seed yield,followed by leaf length,collar diameter,length of bearing branch,hundred-seed weight,the number of branches,angle of bearing branches,the height of bearing branches and plant height;five of 14 seed yield components exhibited directly negative relationships with seed yield,including leaf width,ratio of leaf length to width,the number of bearing branches,bottom diameter of bearing branches and ratio of bearing branches to branches.

2果实数对种子产量的直接正效应最大,其后依次是叶长、地径、结果枝长、百粒重、分枝数、结果枝角度、结果枝高度和株高;14个产量因子中有5个对产量有直接的负效应,包括叶宽、叶长宽比、结果枝数、结果枝底径和结果枝比。

The major factors considered are axial force ratio,aspectratio,strengthen steel bar and connection mode of wall units.

试验中考虑的主要因素有:轴压比、高宽比、加强钢筋及墙片单元连接方式。

It has proved that under the circumstance of low signal/noise rate, for either single LFM signal or multi-LFM signal, compared with traditional methods, this method can more effectively inhibit different kinds of Gaussian noise, avoid the influence of cross term and identify useful signal.

结果表明,在低信噪比情况下,无论是针对单分量LFM信号还是多分量LFM信号,该方法都可以比传统方法更有效地抑制各种高斯噪声,摆脱交叉项的影响,识别有用信号。

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