查询词典 threshold

Phenological observation data of plant communities from 1982 to 1996 at 5 sites and a method for phenological cumulative frequency modeling were used to determine the beginning dates of local phenological seasons and their corresponding threshold values of normalized difference vegetation index in each year.

利用1982～1996年5个站点的植物群落物候观测数据和物候累积频率拟合法，划分各站逐年的植被物候季节，并确定各季节初日对应的当地归一化差值植被指数阈值。

For the multifractal method, there is still no standard being set up to determine the threshold anomaly of metallogenic prognosis by the soil elements. This paper presents a calculation method using the cumulative frequency of elemental contentsnumber of deposits. The anomaly area obtained by this method can well identify the most of known deposits. Meanwhile, by this method some blank abnormal areas which are worthwhile to do further anomaly inspection have been identified.

多维分形方法下土壤元素成矿预测的异常下限值确定尚无标准，文中采用元素含量矿床数目累积频率的计算方法，基于该方法提取的成矿异常区域较好地识别出了绝大多数已知矿床，同时识别出了值得作进一步异常查证的空白异常区域。

The minimum average threshold current density of 20 A/cm 2 is achieved.

获得了最低为20 A/cm2的平均阈值电流密度。

During the process of model smoothing, there is an uncertain weight threshold, which is discussed in detail for scientific evaluating.2. In the part of "3D Model Segmentation", the vector of Gauss-Mean curvature, that of Max-Min curvature, that of RMS-Absolute curvature are compared through their performances in segmentation.

在三维模型分割方面，对高斯-均值曲率向量、最大-最小曲率向量、RMS-绝对曲率向量等三种特征向量在分割中的性能，以及指定聚类数目对分割结果的影响通过试验进行了比较。

Thus,an ISG HEV vehicle model is set up based on Simulink in the paper.A real time optimization control strategy based on logic threshold is proposed,which is suitable for urban cycle on the basis of analyzing its operation mode.

因此，基于Simulink建立了ISGHEV的整车模型，在分析其工作模式的基础上，提出了适合于城市工况使用条件的基于逻辑门限值的瞬时优化控制策略。

The fatigue crack initiation threshold from the notch root in Ni〓Al SC is dependent of crystal orientation under far field cyclic tension and cyclic compression.

在远场循环拉-拉或循环压缩作用下，Ni〓Al单晶体的缺口根部的疲劳裂纹萌生门槛值都依赖于晶体取向。

For the rate reduction induced by using cyclic redundancy check in coded cooperation, an improved threshold selection relaying scheme is proposed for coded cooperation.

针对编码协作中采用循环冗余校验方案会降低系统传输速率的问题，提出了一种改进的门限选择中继方案。

During the course of dark adaptation with different light level, there are great differences in times to recover the dark adaptation threshold.

乌贼的暗适应过程，随适应光强有大差异；明适过程中，不同波长的辩增阈曲线，没有出现交叉趋势。

As long as data in the buffer is less than the minimum threshold, data will not be forwarded.

只要在缓冲的数据比最小的门槛更少，数据将不被转寄。

There are mainly 3×3 window module and auto-adapted threshold module used in the article. Firstly, we carry on processing to the CCD data-in, and judgment of spot scope. Then, we utilize the centroid algorithm to process the pixels which occupied on the spot, and obtain the spot position of miss distance.

文中主要采用3×3窗口模块和自适应阈值模块，先对CCD输入数据进行处理，判断光斑的范围，然后再运用光斑的质心算法对光斑所占的像元进行运算，得出光斑位置的脱靶量，最后用VGA格式将图像显示在LCD上。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。