查询词典 time interval

In the proposed method the data from state estimation or power flows during larger time interval is used to calculate nodal voltages and the initial value of current transitive-relationship matrix; the variation of diagonal elements of this matrix reflects the variations of the detailed models of system components, network topology and parameters after the perturbation, then by use of the PMU measured data in millisecond level the primary diagonal element can be modified.

该方法采用时间间隔较大的状态估计或潮流数据计算节点电压和电流传递关系矩阵的初值，并利用该矩阵主对角元的变化反映受扰后系统各元件的详细模型、网络拓扑和参数的改变，然后使用相量测量单元毫秒级的量测数据对其进行修正，从而为在实际应用中将相量测量单元与SCADA系统相结合做出了有益探索。

It also calculates theoretically the minimal time interval between two trains in quasi-moving-block signaling system and recommends approximate values for the length of coded digit track circuit.

在此基础上，针对当前应用广泛的基于数字轨道电路的准移动闭塞ATC系统进行了重点分析，详细讨论了数字轨道电路的原理、准移动闭塞系统的列控方式等内容，并对准移动闭塞下的最小列车追踪间隔时间进行了理论计算和分析，给出了数字轨道电路长度的推荐值。

The first step of IGA was to discretize time interval and control region to make the continuous dynamic optimization problem a discrete problem.

针对化工动态优化的数值求解问题，提出将迭代思想与遗传操作相结合，构建迭代遗传算法。

It is a new academic attempt to introduce the discrete time interval to portray the characteristics of extreme volatility.

引入离散的时间间隔来刻画极端波动特征在学术上是个新的尝试。

In a short time interval , a mass dm of gas is ejected from the rocket

在很短的时间内，由火箭喷射气体的质量为dm。

In electronic technology, the pulse signal is a voltage according to a certain extent, for a certain time interval of the pulse signal issued.

在电子技术中，脉冲信号是一个按一定电压幅度，一定时间间隔连续发出的脉冲信号。

It is expected that the optimal value of x is of the order of the time interval between two pulses.

预计x的最佳值约为两脉冲之间的时间间隔。

This paper selects futures contracts of copper in SHFE, hard wheat in ZCE and soybean in DCE as samples and,by means of principle of maximum entropy,generalized extreme value distribution and K-S goodness-of-fit test, makes an empirical study on the characteristics of statistic distribution of time interval between extreme volatilities of return rate series of commodity futures in China.

本文基于极值理论，以沪铜、大连大豆和郑州硬麦期货为研究对象，应用最大信息熵原理、广义极值分布和K－S拟合检验，实证分析了我国商品期货收益率极端波动的时间间隔的统计分布特征。

This is a significant improvement as compared to the previous free-running 4.6μs of SDH. The proposed method demonstrates an outstanding capability not only in reducing relative time interval error but also in stabilizing RTIE.

而且在相对时间间隔误也同样有出色的表现，以线性表示相对时间间隔误与时间的关系图中，亦能看出变化趋於平稳。

The half-time interval must not exceed 15 minutes.

半场休息的时间不能超过15分钟。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。