查询词典 on the threshold

A modified aerial image was obtained by convolving the aerial image with a Gaussian filter to smear the image in a manner analogous to resistive diffusion, and then applying a variable threshold resist model on the modified image to predict the CD variations.

用高斯滤波器与空间影像进行卷积，得到改进的空间影像来模拟光刻胶的扩散，然后使用可变阈值光刻胶模型，以实际工艺数据拟合该模型参数，再把改进空间影像的相关信息作为输入，并根据可变阈值光刻胶模型所确定的光强阈值来预测CD变化，从而使光刻仿真的结果更精确地附合实际测量数据。

To effectively accomplish image segmentation tasks for noisy image,one improved algorithm for the selection of the local dynamic threshold based on the niched genetic algorithm was proposed.

针对基本遗传算法的一些不足之处，利用小生境的思想，对其进行了一些优化。

MethodsThe pharmacological effects of the Ziziphus jujube leaf extract on the autonomic activities of mice, the time of sleep induced by pentobarbital sodium, the sleeping synergistic action of mice with barbital sodium at sub-threshold and hypnotic dosages and the central inhibitory effects in mice induced by amphetamine were investigated.

目的观察酸枣叶提取物对中枢神经系统作用。方法考察酸枣叶提取物对小鼠自主活动的影响、对延长戊巴比妥钠诱导的小鼠睡眠时间、对阈下巴比妥钠的睡眠协同作用以及对苯丙胺中枢兴奋作用的影响。

By simply specifying primary and secondary limits for the battery resistance and the minimum voltage threshold, the battery tester quickly displays Pass, Warning or Fail based on the combination of reference values, for fast and accurate assessment.

通过简单地指明小学和中学的限制电池电阻和阈值的最低电压，电池测试仪快速显示密码，警告或失败的基础上结合的参考值，为快速，准确的评估。Ordering Information 订购信息

In theoretical research by introducing pump and cavity beam distribution functions, we obtain the input and output relationship under stable conditions and analyze the effect of the distance between the laser diode and crystal medium on the pump threshold and slope efficiency.

理论上通过引入端面泵浦光场与振荡光场的分布函数，得到稳态条件下输入输出特性，分析了泵浦光焦点位置对泵浦阈值及斜效率的影响和在不同泵光功率下的最佳光斑大小及透过率。

Based on the total potential energy principle, the cusp catastrophic model for instability and failure of deep-buried tunnel surrounding rock is established. Through the observed data of settlement values of typical section vault of deep-buried tunnel and the sudden threshold values of displacement of each monitoring section, the variable values of vault settlement function are obtained, and the stability of deep surrounding rock in tunnel is decided.

运用突变理论探讨了深埋隧道失稳的机制；根据总势能原理，建立了隧道失稳的尖点突变模型，导出了失稳的力学判据条件；并基于深埋隧道典型断面拱顶下沉量现场量测的数据，计算出拱顶下沉函数的各变量值，由各监测断面位移突变阀值来判别深埋隧道围岩的稳定性，分析结果与实际施工围岩情况一致。

The results show that the difference between upper magnitude threshold Mt used in the calculation and the maximum magnitude extrapolated from the linear relation of log N-M has an influence on the distribution of Y.

结果表明，计算样本的震级上限Mt 相对于logN-M关系中拟合线性外推最大震级MT的变化对Y的异常分布有一定影响，其影响随地震样本量从小到大而明显减小。

The main research results achieved in this paper can be summarized as follows:(1) Pixel energy is first defined by square of pixel grey value. Region energy distribution at both sides in different edge is studied. On the other hand, the ratio of the region energy threshold difference and the region area is studied, too.

主要研究成果包括：(1)本文定义了像素灰度平方为像素能量，研究了局部区域内不同边缘两侧能量的分布和区域能量阈值差与区域面积比值。

Secondly, more and more researchers have found that the change of ST segment in Electrocardiogram has close relations to the majority of the cardiovascular disease, so electrocardiogram signal pretreatment methods, including 4 point averaging filter, slide averaging filter, first difference, second difference, have been designed; With this foundation, detection method based on the second difference variable threshold to detect R wave in electrocardiogram has been designed, and heart rate has been calculated accurately.

其次，由于越来越多的研究者发现心电图中的 ST 段的变化与大多数心血管疾病都有着紧密的联系，因此，本课题设计了心电信号预处理方法，包括 4 点平均滤波、滑动平均滤波、一阶差分、二阶差分等；在此基础上，设计了基于二阶差分可变阀值检测方法来检测心电波形中的 R 波，计算出了较为准确的心率值。

On raising the latch and crossing the threshold, one experienced precisely the same impression as when one enters at the theatre into a grated baignoire, before the grating is lowered and the chandelier is lighted.

我们拉开门闩，穿过门洞，所得的印象恰恰象进了戏院池座周围那种装了铁栅栏的包厢，看到的是一种铁栅栏还没有放下、分枝挂灯也还没有点上的情景。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。