A method proposed in this paper avoids the log-transformation in view of its drawbacks, specially the log-ratio transformation, but normalizes the data after background correction.
鉴于对数转换的缺点，本研究提出一种非转换方法，即背景校正后直接进行数据标准化。
The traditional dilatancy equation of Cam-clay model was modified and the relativity between the phase transformation stress ratio and initial effective pressure was considered.
模型对传统修正剑桥模型中的剪胀性公式进行了改进，考虑了状态转换应力比与初始有效围压的相关性。
Based on invariance of the cross-ratio in projective transformation, this paper designed a gray artificial landmark for vision-based recognition by shape information.
本文以射影变换下的复比不变性为理论基础，设计了一种可基于形状信息进行视觉识别的灰度人工路标。
In the transformation and optimization of ring cooler, the air leakage ratio is an important index for the design department and quality technology department.
在对环式冷却机的改造和优化设计过程中，漏风率也是设计部门和质量技术部门参考的一项重要指标。
The result suggested that the correct classification ratio be increased by rotative transformation for the textures with intense direction.
对方向性强的纹理，在进行旋转变换后，可以提高纹理分类的正确率。
Through this transformation. Jinlong industrial park will gets obvious improvement in Utilization ratio of resource, environmental impact and comprehensive benefit.
改造后的金龙工业园区在资源利用率、环境影响和综合效益方面将得到明显的提高。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
The RE fluoride can be prepared directly from oxalate by adding hydrofluoric acid . The ratio of transformation and recovery is high if the hydrofluoric acid is added by 120% theoretical amounts.
稀土草酸盐中直接加氢氟酸置换生成氟化稀土，选择加入120%理论量的氢氟酸有较高的转化率和回收率。
The transformation ratio of the original current transformer (CT) on the transformer HV side was so large that a parameter for the differential protection software exceeded its settable scope.
因变压器高压侧的电流互感器选择变比过大，以致超出差动保护软件的参数设置的范围。
Please specify the current transformer model name, transformation ratio, accuracy class, rated burden, required installation method, when placing a purchaseder.
请注明电流互感器型号、额定电流比、准确度等级、额定容量及安装方式等。
To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.
为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。
The working principle, the method to calculate the ratio of transformation and algorithm of filtering capacity are also studied in this paper.
本文分析了其工作原理，变压器变比的确定方法，滤波能力计算方法。
Through analyzing the basic principle of QJ35 type transformation-ratio bridge, the paper discusses the correct Assay method for this bridge under the existing test equipment condition.
文章通过对QJ35型变压比电桥的基本原理分析，探讨了在现有试验设备条件下，对该电桥正确的检定方法。
The heparin group showed significant improvement in lymphocyte transformation ratio and phagocytotic capacity of phagocyte, but the two groups had no significant difference on hemolytic plaque test.
结果发现：肝素组淋巴细胞转化率显著提高，吞噬细胞吞噬功能明显增强，而溶血空斑实验则两组无显著性差异。
Experimental results show that the composition ratio making Angle of phase transformation range become small can also increase the thermal analysis accuracy of cast iron chemical composition.
实验结果表明，能使相变段倾角最小的成分配比，也能提高对铸铁成分的热分析检测精度。
In this paper, the propagation of Gaussian beams in a telescope system is analysed by using beam transformation formulas. The maximum beam expanding ratio is discussed.
本文利用光束变换公式分析了高斯光束通过望远镜系统的传播，讨论了最大扩束比问题。
It proves that if suitable spatial step length is chosen, the transformation can im-prove seismic data resolution without damaging the signal-to-noise ratio.
证明在选择合适空间步长的基础上，位能转换可以在不损害资料信噪比的条件下，提高地震资料的分辨率。
To identify the echoes of low signal to noise ratio, we can apply the algorithm by using scale coefficients of wavelet transformation in place of the basic signal.
对于低信噪比的回波可以采用其小波变换后的尺度系数代替原信号使用本算法来识别。
Using the speed ratio of longitudinal wave and transverse wave to research transformation of lithology along crosswise and water-carrying fractures, thereby service...
利用纵横波速度比研究岩性的横向变化及含水裂隙，为生产矿井所面临的现实问题服务。
Contents of trace hydrocarbons in propylene have large influences on polyreaction of propylene, yield of catalyst, transformation ratio of propylene and degree of isotacticity of products.
丙烯中微量烃类杂质的含量对丙烯的聚合反应、催化剂的得率、丙烯的转化率以及产品的等规度都有较大的影响。
Contents of trace hydrocarbons in propylene have large influences on polyreaction of propylene, yield of catalyst, transformation ratio of propylene and degree of isotacticity of products.
丙烯中微量烃类杂质的含量对丙烯的聚合反应、催化剂的得率、丙烯的转化率以及产品的等规度都有较大的影响。
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