• 使用相匹配滤波技术提取振型相位然后再利用时变滤波进行振幅校正,以此分离出基阶型面波信号

    Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.

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  • 核磁共振通常根据已知溶剂残留质子进行校正而不是添加四甲基硅烷。

    NMR spectra are often calibrated against the known solvent residual proton peak instead of added tetramethylsilane.

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  • 解决前期辐射校正定标等问题以后,超图像的推广应用当务之急

    Their application is a task of top priority after solving the problems of radiance correction and calibration.

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  • 仪器进行质量校正以确定正确位置

    Accurate position of mass spectrum peak was ascertained through mass calibration for instrument.

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  • 研究开发了多元校正工具箱,化学因子分析工具箱,聚类分析工具箱,以及图分拟合工具箱。

    In this sub-system, a toolbox of multivariate calibration, a toolbox of chemical factor analysis, a toolbox of cluster analysis, a toolbox of overlapping peak resolving were involved.

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  • 本文还给出了根据(校正CMP基准面计算地表圆滑面的方法统一深度域中速度时深转换深度偏移的基准面。

    A method for deriving the smoothed ground surface from CMP datum of static correction is given to form a common datum for velocity spectrum, time-depth conversion and depth migration in depth domain.

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  • 研究分析线背景校正高频功率压力试样提升量辅助气体流量分析结果的影响

    The effects of analytical spectral line, back ground correcting point, high frequence power, carrier gas pressure, flow rate of liquid sample and auxiliary gas on analytical results were investigated.

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  • 而且MAT - CH_5测量同位素的本校正作为例子

    Furthermore, the background correction during the oxygen isotope ratio measurement with MAT-CH5 mass spectrometer was chosen as an example.

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  • 这种方法可以提高自动静校正精度改善速度迭加剖面质量

    This method can be used to increase the accuracy of static correction and to improve the quality of velocity spectrums and stacked sections.

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  • 本装置提供自然伽玛能测井仪刻度外,用于现场度器检测环境校正试验及解方法试验。

    Besides calibration of the tool, the pits can also be used for testing of field calibrator and environment correction.

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  • 通过分析射线成像检测数理模型提出等效透照成像方法,对探测器灵敏度进行校正

    The image method of equivalent energetic-spectrum is put forward, and applied in correcting the detector sensitivity by analyzing the mathematical model of X-ray radiography.

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  • 红外相机应用结果表明二点多段非均匀性校正算法具有运算量、精度实用性优点

    The appliance of the two-point multi-section method to infrared multi-band camera showed that the method has the merit of low operation load, high precision and strong practicability.

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  • 这些ICP - MS及其联用技术中,非质干扰有机介质效应固体微区分析定量校正技术等基本的理论应用研究一直研究的热点问题。

    However, the non-mass spectrum interference, enhancement effects of organic reagent and quantitative calibration technique of solid microanalysis are "hot" topic in ICP-MS and LA-ICP-MS.

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  • 报道利用校正全息凹面衍射光栅作为分光成象元件的平场多色仪,该多色仪具有面平直、使用波段宽、集本领强、体积小等优点。

    In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.

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  • 给出了在各种不同大气湍流强度、不同相位空间频率的下降因子,大气湍流相位波低阶模式完全校正倾斜部分校正时的斯特列尔计算结果

    The results of Strehl ration calculation after low-order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed.

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  • 算法通过具有线性多普勒线进行校正来完成距离迁移校正避免插值运算减少运算量

    The algorithm completes range migration correction through correcting the linearity Doppler frequency line. It can avoid one time inserting processing and reduce calculation.

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  • 图五所示为采用过程质基于校正不同浓度测量COCO2线性度的测试结果。

    Additionally the linearity of the measurement by PMS has been verified by analyzing CO and CO2 at various concentrations based on a single-point calibration.

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  • 本文简单介绍几种校正方法——外标准源道比法,样品指数H法。 首先比较了这些方法的特点。

    Several methods for quench correction-external standard channels ratio method, spectral index method and "H number" method are simply introduced.

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  • 通过线进行基体校正干扰校正实验数据处理结果表明方法简单快速,且具有较好的准确度和精密度。

    The spectral matrix and interferences were corrected. The result of experimental data analysis has shown that the method is simple, rapid and precision was satisfactory.

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  • 仿真及对柔性转子试验台振动信号分析结果表明,基于细化相位差校正全息有效提高其分析精度,更加精确有效地诊断旋转机械的故障。

    With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.

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  • 所有校正模型中,原始经过阶导数最小二乘PLS)处理,20个外部样品用于所建模型的验证,实际和预测的平均相对偏差<5%。

    For all samples, the raw spectra were pretreated as second derivative and Norris derivative filter(7,5). partial least square (PLS) was used as the calibration algorithm.

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  • 推导出了段像同时校正条件,实现段像散的同时校正

    The broadband astigmatism corrected simultaneously conditions were deduced, and the astigmatism was corrected in a wide spectral region.

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  • 推导出了段像同时校正条件,实现段像散的同时校正

    The broadband astigmatism corrected simultaneously conditions were deduced, and the astigmatism was corrected in a wide spectral region.

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