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高度误差
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  height error
     The Analysis to Influence of the Warhead Exploding Height Error on Damage Effect of Conventional Ballistic Missile
     常规导弹爆炸高度误差对毁伤效应的影响分析
短句来源
     The experiamental result shows that watering performance is steady and reliable,and the height error of liquid level is under 4mm.
     并通过实验研究,验证了自动注水系统稳定、可靠的注水性能,且液面高度误差不大于4mm,为自动注水系统的实现及实际应用打下了良好基础。
短句来源
     Slight errors of baseline length and orientation would result in large terrain height error.
     基线长度和倾角的微小误差,都可能引起大幅度的地形高度误差
短句来源
     Taking height error and the height error variation as inputs and taking height error as value limit,fuzzy controller is adopted due to its rapid response when height error is high and PID controller is adopted due to its high steady-state accuracy when height error is low.
     以高度误差和该误差变化量为输入,以高度误差为阀限,在高度误差较大时采用响应迅速的模糊控制器,较小时采用稳态精度较高的PID控制器。
短句来源
     According to the different height error requirement of the system,a two dimensional and a three dimensional area for command and guide success are defined.
     依据指挥引导高度误差的不同要求,分别定义了二维指挥引导成功区和三维指挥引导成功区。
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  altitude error
     he extreme values of altitude error were estimated through the analysis of effect of the meterological factors on the pressure altimetre.
     通过分析气象因素对气压式高度表测量高度的影响,求出了高度误差极值。
短句来源
     In this paper the extreme values of altitude error are estimated through an analysis of the effects of the meteorological factors on the pressure altimeter.
     通过分析气象因素对气压式高度表测量高度的影响,求出了高度误差极值。
短句来源
     A typical linearized-model of certain fighter is used for computer numeri- cal simulation. The simulation results show:the designed system can guaran- tee fighter performance to satisfy the requirement of level Ⅰ flying quality at stage A in U.S.A. Military Flying Qualities Specification《MIL-F-8785B》and can also guarantee figher to follow the desired terrain trajectory given with smaller flying altitude error.
     数字仿真表明,所设计出的系统能保证飞机性能满足美国军用规范《MIL-F-8785B》A 种飞行阶段一级飞行品质要求,并且对跟随给定的希望地形轨迹的高度误差很小。
短句来源
     In this unpowered flight phase, a reference trajectory-tracking mode is adopted for shuttle autolanding. Based on the pre-designed reference trajectory, a normal acceleration command is provided by the guidance system for every guiding mode from the altitude error and the altitude rate error, and then it is sent to flight control system (FCS) to control shuttle.
     在自动着陆段 ,航天飞机着陆采用对基准轨迹跟踪的方式 ,就是根据预先设计好的基准轨迹 ,各模态的制导系统将航天飞机的高度误差和高度速率误差按照一定制导律得出法向加速度指令 ,去控制飞机 ,以跟踪基准轨迹。
短句来源
     From the imaging geometry of the airborne SAR,this paper studies the influence extent to the target location precision from platform course measurement error,platform position measurement error,platform velocity measurement error,radar altitude error,bevel range measurement error of radar,and presents aviewpoint of combining the real-time location and image location.
     从机载SAR成像几何关系的角度,研究了载机航向测量误差、载机空间位置测量误差、载机飞行速度测量误差、雷达高度误差、雷达斜距测量误差等因素对实时目标定位精度的影响程度,提出了实时定位与读图定位结合使用的观点。
短句来源
  “高度误差”译为未确定词的双语例句
     The deviation of frequency of a dielectric ceramic resonator is less than 3 MHz,at εr = 40,fr=1 500 MHz,and error of its height equal to ±0.01 mm,but the deviation of frequency is over 5 MHz at εr = 90.
     采用εr=40介质材料制成1 500 MHz的谐振器,当高度误差为±0.01 mm时,频率误差小于3 MHz; 如果采用εr=90的材料,则超过5 MHz。
短句来源
     The results compared well with experimental results with errors of 0.6% in the initial criticality height and 0.1% in the effective multiplication factor,k__eff.
     与实验结果比较,计算得到的临界实验高度误差为0.6%,堆芯有效增值因子keff误差为0.1%。
短句来源
     Then,correction impulses of velocity relate to the error of velocity of perigee,the error of the height of perigee,the error of launch window and the tim e of correction are discussed respectively.
     以该轨道作为标称轨道 ,分析中途修正所需要的速度修正脉冲与发射入轨时的初始误差 (近地点速度误差、入轨高度误差、发射窗口误差等 )和修正时刻的关系。
短句来源
     Apply to 5 wells in Daqing Oilfield shows that the errors of level height less than 50 meters,and realized the purpose of control level height by screw pump.
     经大庆油田5口井试验表明,液面高度误差均在50 m内,实现了螺杆泵恒液面控制目的。
短句来源
     A Study of the Statistical Analysis of the Geopotential Height Background Errors in the Data Assimilation
     资料同化中背景场位势高度误差统计分析的研究
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  height error
The mathematical model of cluster satellite movement is built, simulation analyses and the curve of height error are presented.
      
the spherical geoidal height N0 evaluated from Stokes's formula and the ellipsoidal correction N1, makes the relative geoidal height error decrease from O(e2) to O(e4), which can be neglected for most practical purposes.
      
a 4.4-cm station height error would map into a 1-cm ZTD error).
      
In particular, it is shown that the cumulative geoid height error between degrees 31 and 200 will not exceed 1 cm.
      
A 50-rob pressure difference in this case relates to a cloud height error of approximately 1 kin.
      
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  difference in height
The cutting woods selected from different positions of stem show difference in height growth.
      
The range was related to site index, diameter at breast height, eccentricity and to difference in height to the lowest living branch and the lowest living whorl.
      
The difference in height between the normal and GDM groups remained (p >amp;lt; 0.001) when body weight, age, birth before or after 1960 and educational status were also taken into account.
      
It was speculated that this difference in height created a shelter effect which reduced the net radiant energy absorbed by the canopy at low sun angles and reduced the wind speed controlling the turbulent exchange of water vapour.
      
No difference in height could be observed between cases with X0 karyotype and other chromosomal variants.
      
更多          
  altitude error
Effect of altitude error on position precision of double-star position system
      
The altitude error is not significant enough to mask the trends associated with the storm's intensity variations.
      
The altitude error is the difference between the desired altitude and the current altitude of the airplane.
      
The change of altitude error indicates whether the aerial vehicle is approaching the desired altitude or if it is going away from it.
      
The domain of the altitude error is partitioned into the fuzzy sets Ai.
      


The purpose of this article is to analyse the convergence of infinite series in the Burke-Schumann diffusion flame equation and present the fastconverging condition of series and the approximate analytical solution for calculating the flame shape and height. Applying the converging condition of series, the error of series calculation is less than 0.51%. On the basis of theoretical analysis, the shape and height of the methane-oxygen diffusion flame and the concentration field within and without such a flame...

The purpose of this article is to analyse the convergence of infinite series in the Burke-Schumann diffusion flame equation and present the fastconverging condition of series and the approximate analytical solution for calculating the flame shape and height. Applying the converging condition of series, the error of series calculation is less than 0.51%. On the basis of theoretical analysis, the shape and height of the methane-oxygen diffusion flame and the concentration field within and without such a flame are calculated. The approximate analytical solution is compared with the Burke-Schumann exact solution with the result that the flame shape is in good agreement, the error of flame height is zero and the maximum relative error of flame boundary is 0.1613%。The variation of Y_(CH_4) and Yo_2 concentration field agrees very well with the experimental result obtained by Hottel and Hawthorne (4). It is concluded that the result of approximate analytical calculation approaches quite well to that of exact calculation, thus justifying the converging condition of series and showing that the approximate analytical solution presented is reliable.

本文主要是在探讨Burke—Schumann扩散火焰方程内无穷级数的收敛规律后,提出级数迅速收敛的条件和计算火焰形状及高度的近似理论解。应用级数的收敛条件,级数计算误差小于0.51%。在理论分析的基础上,计算了甲烷—氧气扩散火焰的形状和高度、以及火焰内外浓度场。近似理论解和Burke、Schumann精确解相比,火焰形状吻合得很好,火焰高度误差为零,火焰边界最大相对误差为—0.1613%。Y_(CH_4)和Y_(O_2)浓度场的变化规律,与Hottel及Hawthorne得到的实验结果完全一致。说明近理论计算和精确计算的结果是十分接近的,从而验证了近似理论解是可靠的,级数收敛条件是正确的。

The paper analyzes the requirements of interchangeability of cam template in camshaft grinder for the centreline equiheight errors of wheel and roller,and demonstrates the necessity of controlling the tolerance within ±0.15 mm. The effect of the errors on ground earn profile is about 10:1.

用解析法分析了凸轮轴磨床凸轮靠模互换,对机床砂轮与滚轮中心线等高度提出的要求,从而论证了:“砂轮与滚轮中心线等高度误差要控制在±0.15 mm以内”的必要性。等高度差对磨出凸轮轮廓精度的影响约是10:1的关系。

This paper presents the calculation method of the shape and height ofthe methane--air diffusion flame. The converging condition of the seriesis reliable in this method. The calculating error of flame height isabout point three percent and the flame shape is in good agreement,with that, by comparison with the exact result calculated by Burke-Schumann's methed. The results of the flame height by this methodare much more accurate than that calculated by Williams. The maxi-mum relative error of the flame front is...

This paper presents the calculation method of the shape and height ofthe methane--air diffusion flame. The converging condition of the seriesis reliable in this method. The calculating error of flame height isabout point three percent and the flame shape is in good agreement,with that, by comparison with the exact result calculated by Burke-Schumann's methed. The results of the flame height by this methodare much more accurate than that calculated by Williams. The maxi-mum relative error of the flame front is abont point three percent. Incalculation of the diffusion flame, the calculating method of thispaper will be selected instead of accurate calculating method.

本文提供甲烷——空气火焰的形状和高度的计算方法,此法的级数收敛条件较好。计算结果同精确值比较,火焰高度的误差约为0.30%,而且火焰形状同精确解的形状吻合得很好。火焰高度计算值比用Williams公式的计算结果要准确得多,火焰表面相对误差的最大值为0.30%。在计算扩散火焰时,可用本法代替精确计算。

 
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