A more precise estimation method of the Zero Doppler Time has been improved, and the frequency synchronization is achieved.
文章改进了零多普勒时间的估计方法，提高了其估计精度，从而较好地实现了频率同步。
Precise estimation of vertical groundwater recharge is important for reasonable estimation and utilization of groundwater resource.
准确计算地下水的垂向入渗补给量是合理评价和利用地下水资源的基础。
In the X-Ray angiogram, the precise estimation of vascular centerlines and widths is very important for the quantitative and visualized diagnosis of blood vessel disease.
在血管造影图像中，精确估计血管中心线和宽度是血管疾病量化与可视化诊断的先决条件。
A sequential procedure was adopted for the discrimination of these models with the experimental data, and for the precise estimation of the parameters in the optimal models.
运用序贯实验设计方法，用所得的实验数据对这些模型进行筛选，并对所选出的最优模型进行参数精估。
In this paper, applying a certain elementary methods, we obtain a more precise estimation related to the mean modulus of the univalent functions in class S. Thus the old result is improved.
用初等方法得到单叶函数族S中函数平均模数有关的一个较精密估计，改进了现有结果。
By using the factorization of meromorphic functions and the growth estimation of the modual, we obtain precise estimation of the order of growth and hyper-order of solutions of the equations.
研究了一类整系数二阶线性微分方程解的幂和导函数的不动点和超级等问题，得到了一些精确的估计。
Simultaneously, the method implementing precise velocity estimation in two steps associative with PCSF signal characteristic under high moving targets is presented.
同时，结合相位编码步进频率信号形式提出在高速目标情况下实现精确速度测量的两步估计方法。
Communication systems can enhance their BER performance by using coherence detection only when they could make precise and real-time estimation of fading coefficients of multipath channel.
只有对信号在多径衰落信道中所经历的衰落做出准确实时的估计，系统才可以使用能够提高接收机误比特率性能的相干检测。
Conclusion RSR is a precise and intuitive method to assess the military hospital. It excels the direct estimation method.
结论运用秩和比法可以精确、直观地得到科学合理的评价结果，优于直接评分法。
The practical application shows that the system is characterized by stable operating, fine extension and precise SOC estimation.
实际应用表明，系统运行稳定正常，可扩充性好，对电池组状态预测准确。
The experiment results indicate that the algorithm improves ranging precision and the estimation of distance measurement is more precise than that of weighted average method.
实验结果表明，该方法提高了整体测距精度，得到了被测距离更加准确的估计。
If a decision must be made, a manager would much rather have a good estimation now than wait a week for a more precise answer.
如果一定要做一个决定，一位管理者宁肯现在要一个好的估计值也不愿要一个需再等待一周的更准确的答案。
River healthy is not a precise scientific concept, but a means of estimation in river management.
河流健康不是严格意义上的科学概念而是一种河流管理的评估工具。
Primary filter accomplishes the fusion of public state vectors about sub filters and time updating, and outputs the credible, precise and optimal estimation of navigation parameter error.
主滤波器(全局滤波器)进行子滤波器的公共状态矢量融合和时间更新，输出可靠、准确的导航参数误差的全局最优估计量。
Because they rely on estimation, relative techniques like stratigraphy are considered less precise than absolute techniques, like radiocarbon dating or verification from written records.
因为他们象地层学那样依赖相关的技术进行推测，其精确度不如用放射性碳元素断定或根据记录来断定年代的方法。
Because they rely on estimation, relative techniques like stratigraphy are considered less precise than absolute techniques, like radiocarbon dating or verification from written records.
因为他们象地层学那样依赖相关的技术进行推测，其精确度不如用放射性碳元素断定或根据记录来断定年代的方法。
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