Numerical simulation shows that: ( 1) the location of the maximum Nusselt number was offset from the stagnation point at a certain distance; 计算结果显示:冲击区努赛尔特数最大值不在驻点,而是偏离驻点一段距离;
Maximum offset of converted wave is greater than that of compressional wave for the same stretch. 在相同动校正拉仲下,转换波的最大炮检距大于纵波的最大炮检距。
This paper studies the determination of maximum offset in converted-wave seismic exploration in terms of reflection coefficients and NMO ( normal moveout) stretch. ( of guns) fire bullets, etc over ( a distance) 从反射系数和动校正拉伸2个方面对转换波勘探最大炮检距设计进行了研究。
Evaluating Rapidly Maximum Pressure Angle Value of Offset Cam Mechanisms by Using Replacement of High Pair with Low Pair 用高副低代法快速求解偏心轮凸轮机构最大压力角
At the same time emphasizes on cyclic prefix and presents a new algorithm based upon the maximum likelihood estimation algorithm using the relativity of CP, which can resolves synchronization of symbol frame and carrier offset in OFDM system. 同时着重研究了循环前缀问题,并对利用循环前缀相关性的最大似然估计算法提出了一种改进算法,综合解决了系统的符号同步和载波同步问题。
The time difference between residual NMO at maximum offset and residual NMO at minimum offset for the CMP gather shall be more than one period of lower frequency; 最大炮检距与最小炮检距之间多次波剩余时差之差必须大于一个低频周期时间;
Oblique crossing layout with a bin of 20 m × 20 m was used. The coverage was 6 × 10. Maximum offset was 2961m, receiving with 1680 traces. 观测系统采用斜交观测系统,20m×20m面元,6×10次覆盖,最大炮检距为2961m,1680道接收。
Established vehicle lateral vibration mathematical model on the based theory of random vibration calculating maximum offset quantity generated by lateral vibration that instanced general flat car. 根据随机振动和系统理论,以普通平车为例建立了计算车辆横向振动最大偏移量的数学模型;
Effect of Maximum Offset on Seismic Acquision and Its Result Refractions penetrate to depths of perhaps one fifth of the maximum source to receiver distance depending upon the subsurface velocity distribution. 最大炮检距对地震资料采集和成像效果的影响按照地下速度分布情况,折射穿透深度大约为最大炮检距的五分之一。
Finally, in the validating experiment we can find that the aperture measuring system has long-time stability and reliability, and the maximum offset is less than 0.23 μ m. 最后验证了测孔系统具有稳定的可靠性,长期测量时内径偏差可控制在2.3μm以下。
The relationship between maximum transmission ratio and offset coefficient is analyzed. Some analysis and design parameters are fitted by polynomial. 分析了偏心率与最大传动比的关系,对一些设计和分析参数进行了多项式拟合。
For various commonly used motion rules by substituting give conditions such as travel distance h, rotary angle δ_0 of cam and maximum pressure angle α into the formulas it is quite convenient to find out the reasonable radius of minimum base circle and the value of offset. 对于常用的各种运动规律以给定条件;行程h、凸轮转角δ0和最大压力角αm等值,直接代入公式中可很方便的计算出合理的最小基圆半径值和偏距值。
The criterion of obstacle avoidance according to the structure of redundant TT-VGT manipulators is Provided, and the maximum of no-collision distance and the maximum of the offset between the end and the rod are defined. 并根据冗余度TT-VGT机器人的机构特点提出了相应的避障判据,设定了最大无碰撞距离和末端与杆件之间最大偏差;
By detecting the maximum of range spectrum the spectral offset is obtained, then the article designs the prior filtering function for range spectral. 通过探测干涉图距离向频谱的最大值得到频谱偏移量,构建了去除几何去相关的距离向预滤波函数。
The limited spatial resolution ratio of the seismic trace with maximum offset in imaging aperture is 1/ 2; 成像孔径内的最大炮检距地震道应限定其空间分辨率大于等于1/2;
The partial correlation algorithm tracks maximum multipath length by subspace decomposition and calculates optimal correlation length subsequently for symbol timing and frquency offset estimation. 部分相关ML算法首先利用子空间分解技术动态跟踪多径信道变化,再实时计算出最佳相关长度用于码元定时和频率偏差估计。
Tie effect of maximum offset on seismic signal imaging result in different demonstrating positions is analyzed, design appropriate to the maximum offset is combined with the geological tasks to the events. 分析论证点处的最大炮检距对地震信号成像效果的影响,并结合地质任务要求,合理设计最大炮检距。
At last, a maximum likelihood estimating method of sampling frequency offset by transmitting two identical OFDM symbol was proposed. 通过连续重发两个相同的OFDM符号,应用最大似然估计方法确定采样频率偏差。
The genetic algorithm combined with pattern search method was used to find the maximum reciprocal of the gait sensitivity norm. Four optimal parameters were spring stiffness, offset of center of mass, axial displacement of center of mass and moment of inertia. 以步态敏感范数的倒数值最大化为优化目标,使用遗传算法和模式搜索相结合的方法对弹簧刚度、质心偏移、轴向质心距离和转动惯量4个参数同时进行优化。
Maximum Likelihood estimators ( MLE) are derived for both clock offset and skew estimation under Gaussian distributed delays. 在高斯分布延迟下,最大似然估计(MLE)可同时估计时钟偏移和漂移。
Joint estimation unit is to use the autocorrelation of cyclic prefix and data autocorrelation, using the maximum likelihood estimation algorithm to estimate the size of the frequency offset and symbol timing position. 联合估计模块则是利用循环前缀和数据的自相关特性,使用最大似然估计算法估计出频偏大小和符号定时的位置。
The maximum likelihood estimation of frequency offset based on the maximum likelihood principle is derived, it can be viewed as a consecutive optimization, and PSO algorithm is applied to solve this problem. 本文在最大似然准则下推导出频偏估计的最大似然估计表达式,并将它看成是一个连续的优化问题,利用连续粒子群算法的寻优求解频偏估计值。
Two phase estimation and symbol detection algorithms based on maximum likelihood EM are proposed for multi-antenna signals with different initial phase offset. 首先,针对固定相位偏移下多天线信号的相位估计问题,基于最大似然EM算法,提出了两种相位估计与符号检测算法。