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预先测试
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  “预先测试”译为未确定词的双语例句
     The digital filter is a part of digital signal processing, besides having the advantages of the stability, repetition and the good adaptability of the digital signal processing, it has still advantages of predictability and no phase shift, so we can use an imitate software to test a design in advance.
     数字滤波是数字信号处理一部分,它除了具有数字信号处理的稳定、重复性好和适应性强等优点外,还具有可预见性和无相位偏差的优点,可用仿真软件来对一个设计预先测试
短句来源
     In this paper, the heat transfer equation of sensor, the effect factors for time constant of sensor and the jet equipment for a preliminary test are analysed, and the in-situ tests by both LCSR and the noise analysis aredescribed The signal processing technology, such as FFT, power specturm, windor function filter, ARMA model, are applicable to the dynamic temperature measurement.
     本文分析了热电偶、热电阻等温度传感器动态热传递方程,影响传感器时间常数的因素以及预先测试的喷射装置; 综述了时间常数就地测试的LCSR法和噪声分析法以及FFT、功率谱、窗函数、ARMA模型等信号处理技术在动态温度测量中的应用。
短句来源
     And an algorithm of association rules with upper bound constraint is presented,which is based on FP-Tree. In this algorithm,the method of test in advance is adopted,which can reduce the cost of item set test,boost the performance. Experimental test show the algorithm is quite efficient.
     在此基础上,提出了基于FP-Tree的上界约束算法,采用了预先测试的方法,降低了测试项集的成本,提高了计算效率,实验结果证明该算法具有较高的效率。
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  相似匹配句对
     Test
     测试
短句来源
     An example of USB pre-compliance signal Quality Testing
     USB预先一致性信号质量测试的实例。
短句来源
     In Test
     iM测试
短句来源
     On the Defending Measures in Advance
     论预先防范措施
短句来源
     Results Compared with TNBS group,IFN-γ mRNA production in spleen were reduced in T.
     结果:预先感染T.
短句来源
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  pilot test
The results from the hot pilot test show i) the variation of coal ash distributions and other CFB performance data due to the cyclone and the coal characteristics and ii) the variation of desulfurization efficiency with limestone.
      
We pretested this instrument and adapted it before its use in a pilot test in residents of a sheltered housing complex in Hamburg.
      
The results of the pilot test are consistent with those of laboratory experiments.
      
The conversation of one family was analyzed using orbital decomposition as a pilot test of the most basic assumptions of the 5-R's model.
      
From the back analysis of pilot test, a material functions which fit to field condition were obtained.
      
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In this paper, the heat transfer equation of sensor, the effect factors for time constant of sensor and the jet equipment for a preliminary test are analysed, and the in-situ tests by both LCSR and the noise analysis aredescribed The signal processing technology, such as FFT, power specturm, windor function filter, ARMA model, are applicable to the dynamic temperature measurement.

本文分析了热电偶、热电阻等温度传感器动态热传递方程,影响传感器时间常数的因素以及预先测试的喷射装置;综述了时间常数就地测试的LCSR法和噪声分析法以及FFT、功率谱、窗函数、ARMA模型等信号处理技术在动态温度测量中的应用。

Based on the theories of education measurement question-base and the sample of researches,this paper tested and analyzed the question-base through all sorts of statistical calculations.So the level of difficulty and the value of variation for question-base were worked out.With the skills of UML, the author of this paper instructed the intelligent modified model for the test questions database in different difficult levels.This model helps to carry out the difficulty calculations and intelligent modification...

Based on the theories of education measurement question-base and the sample of researches,this paper tested and analyzed the question-base through all sorts of statistical calculations.So the level of difficulty and the value of variation for question-base were worked out.With the skills of UML, the author of this paper instructed the intelligent modified model for the test questions database in different difficult levels.This model helps to carry out the difficulty calculations and intelligent modification to huge test questions database, and ensure the sight of science in UML Question.

根据教育测量学的题库建设理论,通过组织测验者样本,对题库题目进行预先测试,运用题目统计分析技术的有关算法,可以获得测验题目的难度值、区分度等相关技术参数.运用计算机的UML统一建模技术,构建题库题目难度的智能修正模型,可以实现题库中大量题目难度值的智能化运算和修正工作,从而进一步保证计算机题库建设的科学性.

In this paper, an embedded image coder is presented, which provides very effective, progressive image transmission while achieving superior visual performance for SPIHT. The visual gains are achieved by exploiting human visual masking characteristics to weigh wavelet coefficients according to their perceptual importance, causing a reordering of the coefficients. The reduced bit-rates are achieved by merging the first and second passes of the SPIHT algorithm. The experiment results show that the new still image...

In this paper, an embedded image coder is presented, which provides very effective, progressive image transmission while achieving superior visual performance for SPIHT. The visual gains are achieved by exploiting human visual masking characteristics to weigh wavelet coefficients according to their perceptual importance, causing a reordering of the coefficients. The reduced bit-rates are achieved by merging the first and second passes of the SPIHT algorithm. The experiment results show that the new still image compression scheme provides higher perceptual quality and higher PSNRs than SPIHT etc., especially at low bit rates.

提出一种新的低比特率图像压缩编码算法,该算法能够通过以下措施提高SPIHT算法工作效率:①结合人眼视觉掩蔽特性,对不同区域内图像信息所对应的小波系数赋予不同视觉权值,以保证优先传输视觉上的最重要系数;②结合增设预先测试及合并前两次扫描,优化了SPIHT编码方案的分集排序过程.仿真实验结果表明,所提出的图像编码方法是一种高效的图像压缩算法,其压缩效果明显优于SPIHT等编码方法(特别是低比特率下).

 
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