通过对兰新铁路百里风区戈壁风沙流进行现场观测研究,提出风沙流密度的新概念,解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。
Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.
地面观测点,特定时间内空气和火山灰范围的卫星图片可以用来建立一系列更好跟踪火山灰的模型。
Observations from ground, air and satellite of the ash's extent at specific times might be used to create a series of model runs that would track it better.
在这些志愿者面临两难抉择的时候,研究人员可以观测到他们根据道德信仰来做决定时脑中发生的一切。
Faced with such dilemmas in the minds of their subjects, the researchers were able to examine what went on inside each person's head as they made decisions based on moral beliefs.
针对这一特点,研究了加入卡尔曼滤波后频偏及观测时间长度对定时系统性能的影响。
Then influences of frequency offset and observation interval on symbol timing recovery system under this circumstance were studied.
基于该融合公式,证明了在单传感器系统中,当样本观测值一定时,分组数据融合的估计效果优于单组算术平均的估计效果;
In a single sensor system when the sample amount is constant, the estimation result of data fusion to subdivided into groups is superior to arithmetic average of single group.
但是,现在的普遍情况是,这些风险因子在保单制定时会有所观测,之后的变化影响就不做考虑。
But now thing is these risk factors in the policy making process is observed, while after that their changes will not be considered.
同时以探测器特定时刻输出电压作为观测量,建立了称之为模型2的探测器光路逆模型。
At the same time, a model called model 2 is modeled using the voltages of the output of photodetector at special time as observed quantities.
卫星数据全部被分析并判断出月表是否有水尚需一定时间,LCROSS(月球陨坑观测和遥感卫星)项目总指挥丹安德鲁斯说。
It will be awhile before all the data from the satellite can be analyzed to determine if there is water on the moon, according to LCROSS project manager Dan Andrews.
然后经过一系列空间坐标转换,将恒星视位置坐标统一转换到观测点坐标,得到恒星在指定时刻相对于观测者的视住置;
Then, the star visional coordinate is converted into the observation coordinate, and the star visional position is achieved in accordance with the observe at the named time.
当极点确定时,观测器对绳长变化比吊重变化敏感。
Observer is more sensitive to the change of rope length than the change of load mass when the poles are determined.
当极点确定时,观测器对绳长变化比吊重变化敏感。
Observer is more sensitive to the change of rope length than the change of load mass when the poles are determined.
应用推荐