time variance的例句大全

The Pb Zn making process of the arc furnace is rather a complex process with physicochemical reactions, characterizing the strong nonlinearity, uncertainty, time variance and serious interconnection etc.

由于电弧炉铅锌冶炼过程是一个极其复杂的物理化学过程，具有较强的非线性、不确定性、事变性和强耦合等。

Especially under the environment of high speed, how to deal with the time variance of the channel becomes a difficult problem of wireless communication.

特别是在高速移动存在严重多普勒频移的情况下，如何对付信道的时变成为无线通信的研究难点。

In the thermal process, the dynamic behavior of plants shows a characteristic of great delay, big inertia, time variance and non-linearity, which makes the modeling very difficult, and the optimal control for thermal processes impossible.

在热工过程控制中，被控对象动态特性往往表现出非线性、时变性、大迟延和大惯性等特点，这使得难以对其建立比较精确的模型，从而难于精确表达热工过程及实施整体优化控制。

Automatic Repeat Request ( ARQ) technology could provide a reliable transmission link. And link adaptation technology could provide resistance to channel fading effects of time variance channel availably and advance efficiency of wireless link.

自动重传请求（ARQ）技术可以提供一条可靠的传输链路；而链路自适应技术可以有效地对抗无线信道的时变衰落，提高无线链路的效率。

However, for the composite load has the characteristics of complex composition, random time variance and spread over different area, its exact mathematics model is still not built up.

然而，系统中的综合负荷，由于具有构成复杂、随机时变、地域分散等特点，其准确的数学模型一直没有建立起来。

This paper describes various pulse shaping methods applying active filter, time variance filter and transversal filter to improve energe resolution of spectrometer at high counting rate.

本文介绍用有源滤波器、时变滤波器和横向滤波器等脉冲成形方法来提高能谱测量系统在高计数率条件下的能量分辨率。

For the moving object, the process of radar measurement error is an unstable random course with equal value trend and time variance. The part of White Noise describes the Machine Heat Noise that received by radar.

对于运动目标，雷达测量误差过程是一个具有均值趋势和时变方差的非平稳随机过程，白噪声部分描述的是雷达接受的机热噪声。

The Doppler spread caused by time variance will severely affect the performance of OFDM system, and at the same time destroy the orthogonality between OFDM subcarriers which will lead to a serious Inter-Carrier Interference.

因信道时变性产生的多普勒频移在严重影响OFDM系统性能的同时会破坏OFDM系统子载波间的正交性并带来了严重的载波间干扰。

Because the vibration amplitude of the scalper changes with multiple factors such as environmental temperature, time variance nonlinear load and static state press, a vibration amplitude control technique is needed for obtaining the stable vibration amplitude in the power ultrasonic medical system.

由于手术刀的振幅随着环境的温度、时变非线性的负载、以及加压等因素的影响而变化，故此需要对振动系统的振幅进行稳定控制。

In wireless communication networks, the performance of wireless links is severely degraded due to multi-path propagation effect and time variance characteristics.

无线信道中的多径传播效应和时变特性极大降低了移动通信系统的性能。

An Improved Version Control Method OF Time Variance Dimension

一种改进的时变维度版本控制方法

Research of hierarchy version control method aiming at time variance dimension

时变维度层次版本控制方法研究时间（英文）美国人的时间观

In general, the time variance of the channel is weak.

信道的时变性较弱。

Stochastic single machine scheduling to minimize the completion time variance

目标函数为完成时间方差的随机单机调度问题

The classification and synthesis of load characteristics is the effective way of settling the time variance problem in aggregate load modeling.

负荷特性的分类与综合是解决负荷建模中时变性难题的有效途径。

At the same time, earnings predictability, earning management, variance of earnings and rapid development of firm have significant influence on pessimistic earnings forecast, while earnings predictability, earning management and scale of firm can impact significantly on optimistic earnings forecasts.

同时，可预测性、盈余管理、盈余波动以及公司扩张速度对分析师的悲观预测有显著的影响，而可预测性、盈余管理以及公司规模则显著影响分析师对盈余的乐观估计。

Using this method, the time error, frequency deviation and aging is simulated. Mean while, the Allan variance after controlling is compared with Allan variance before controlling.

采用这种方法对钟差，频率偏差和老化系数进行了计算仿真，同时对滤波前后的阿伦方差进行了比较。

Stepwise discriminant analysis showed that semantic fluency and long-time delayed free recall of both verbal learning and complex figure explained a significant amount of variance on the neuropsychological tasks.

逐步判别分析提示，复杂图形延迟自由回忆、词语学习长时延迟自由回忆和语义流畅是区分抑郁症组和早期AD组的重要指标。

In this paper, we consider both the mathematical expectation and variance for the time to failure of some systems and design a system with ideal reliability.

本文研究系统寿命的均值和方差，并设计出较为理想的可靠性系统。

It can be compared one variance with the other only they are homogeneous, so the deviation e ( t) was subdivided into the deviation of production time and the deviation of production cost etc. The calculation methods of the deviation e ( t) was represented.

只有同质才能比较，因此把偏差e（t）细化成生产时间偏差和生产成本偏差等，并给出了计算方法。