在动态测试领域中,数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
介绍了用冻结条纹法、实时全息法和时间平均法对静变形、热变形、固有频率和振型进行研究。
The study of static deformation, thermally induced distortion, dynamic response of natural frequency and modal pattern has been performed by using frozen fringe, realtime and time-average holography.
根据气泡的尺寸划分气相,采用时间平均法建立了描述垂直管道内层流泡状流运动的多流体模型。
A more detailed multi fluid model was developed with the gas phase divided into several groups according to bubble size to describe bubbly flow in a vertical pipe.
本文提供了一种用于识别这类随机信号的数学统计模型,并介绍了一种时间平均法用来获取超声背散射信号的衰减系数。
In this paper, a mathematical model is used to characterize this random signals, and a time averaging method is used for obtaining the ultrasonic attenuation coefficient.
背景差法作为检测前景目标的一种有效方法,是本课题研究的重点内容,将分别对背景差法中的时间平均法和基于单(多)高斯模型的背景提取法进行详细研究。
Temporal difference as a efficacious method, is the primary content of the discourse. We will detailedly research the method of time average and pick-up background base on gauss model(s).
介绍了采用元器件计数预计法的伺服驱动控制的平均故障间隔时间(MTBF)实用计算方法。
The paper introduces a practical method to calculate the mean time between failures (MTBF) of ac servo controllers, using the components counting prediction method.
对采用继电器控制系统进行控制的某实验室船舶燃油辅助锅炉,采用计数法进行可靠性评估,得出控制电路的平均无故障时间。
The reliability lab ship fuel oil donkey boiler controlled by relay control system is evaluated using counting method, and mean time to failure (MTTF) of the control circuit is educed.
在同一振动状态下,可以用重象法摄制振动物体的时间平均全息照片,从而获得三张形状完全相同而条纹分布不同的全息照片。
Three photographs, in which the shape of the image is the same, but the fringe distribution is different, can be obtained by time average holographic technology with three-images.
在时间平均小波谱和小波包能量法中,分别以各自确定的欧式距离作为后桥质量检测的阈值。
The methods of Time Averaged Wavelet Spectrum and Wavelet Packet Energy can respectively determine its own Euclidean distance as the only quality inspection threshold of the Rear Bridge.
该文应用GO法分析YAG激光器系统的可靠性,得到系统平均无故障工作时间等重要可靠性指标。
GO reliability analysis of a YAG laser system was used to determine the mean time between failures and other important system reliability data.
实验中采用时间平均干涉测量法,得到了不同振动频率下物体的干涉图形。
Time average interference measurement method is used in the experiment, and the vibration interference patterns of the object with different vibrating frequencies is obtained.
结果整块法尸肾摘取组的平均取肾时间和肾静脉损伤发生率,优于改良肝肾联合切取组。
Results in average harvesting time and incidence of renal vein injury, the en bloc kidney procurement were better than the method of combined liver and kidney procurement.
对采用顺序搜索截获法的扩谱雷达的平均截获时间进行了研究。
A new approach of mean acquisition time for spread spectrum radar which is called sequential acquisition method is explored in this paper.
激光法完成吻合的平均时间是9分钟,而缝合法为20分钟。
The mean time needed by LAMA and CMST was 9 minutes and 20 minutes respectively.
移动平均法是一种时间序列预测法,当时间序列没有明显的趋势变动时,使用移动平均就能够准确地反映实际情况。
Moving average method is one of time series forecasting method, if time series have no apparent tendency moving, using moving average method can accurately reflect actual situation.
利用分断电弧过程中的电流动态特性,使用移动平均法提取了每次分断电流的燃弧时间。
According to the dynamic behavior of the breaking current, breaking arc duration is extract from the breaking current waveform by using the concept of moving average of statistics.
文中采用生成函数流图法推导出了衰落信道下FSASE算法平均捕获时间的闭式解。
The mean acquisition time of the FSASE method is derived by the generating function flow graph technique for the fading channel.
采用子结构法,建立了有限周期复合结构的数学模型,求出了数学模型的波动解,并推导出模型的时间平均功率流。
The substructure method was introduced to set up mathematical model of finite periodic composite structure, to solve its wave equation, and to derive its time-average power flows.
空间采用中心平均的有限体积法进行离散,时间方向采用双时间法隐式推进求解。
The numerical method uses finite volume method in space and advances the solution in time using dual time stepping method.
该方法用状态空间法求解输入母线单元失效频率和平均修复时间,用最小割集法计算整个系统的供电可靠性指标。
Failure rate and average repair time of input-bus unit were calculated by state Spaces method. Power reliability indices of whole systems were computed by min-cut method.
对于稻壳、树叶、棉花杆、玉米杆四种生物质焦,通过压汞法测量了其在大孔和部分中孔范围内的孔隙结构,发现热解温度、热解保持时间、热解快/慢速都会影响着焦样的比表面积和平均孔径。
The results show that pyrolysis temperature, pyrolysis time and pyrolysis rate have an obvious effect on the special surface area(SSA) and average pore size(APS) of the biomass chars.
测定季节变动对时间序列的影响,一般按同期平均法(原资料平均法)和趋势剔除法计算季节比率。
Measuring the seasonal variation in a time series, we generally use two methods to calculate seasonal indexes—average of original data, trend adjustment for average.
从流动细节上看,半经验法给出时均流动与代表实际流动的时间精确解平均结果有一定差距。
Result shows that semi-empirical approach can give a good performance representation of averaged time-accurate solution.
理论和实验都表明频闪剪切散斑干涉照相法要优于时间平均剪切散斑干涉照相法。
Both theory and experiments show that stroboscopic shearing speckle interferometry is obviously superior to time-average method.
本文研究可用于振动模态分析的时间平均投影云纹法。
In this paper, the time-average projected moire technique has been studied, which can be used for measuring vibration.
即使是液体放射性或非放射性快速培养法能显著缩短报告时间,平均耗时仍需要5 - 12天。
Although both radiometric and non-radiometric liquid culture systems have significantly shortened the turnround period, the results are still not available for 5-12 days after receipt of an isolate.
在此情形下,利用几何过程和补充变量法求得了该系统首次故障前的平均时间及另一些感兴趣的可靠性指标。
Under these assumptions, some reliability indices are derived by using the geometric process and the method of supplementary variable.
法玛尔是一个替补控球后卫,平均每场6.4分和2.4次助攻,但在最近几周他的上场时间被瓜分了一些给香农布朗。
Farmar, a reserve point guard, averages 6.4 points and 2.4 assists per game but has ceded playing time to Shannon Brown in recent weeks.
目前选择重构延迟时间的方法有三种自关联函数法,平均位移法及互信息法。
At present, there are three methods to select delay time: self-correlation function method the average displacement method and mutual information method.
目前选择重构延迟时间的方法有三种自关联函数法,平均位移法及互信息法。
At present, there are three methods to select delay time: self-correlation function method the average displacement method and mutual information method.
应用推荐