集成电路版图提取为精确估计电路性能提供了可靠的手段。
VLSI layout circuit extraction provides a reliable tool for the estimation of circuit's performance.
本模型可精确估计气动系数比，其中包括重要的静稳定度。
The present model is capable of estimating aerodynamic coefficient ratios including the important static stability margin.
在一定条件下，得到了其解的级及零点收敛指数的精确估计。
Under certain conditions, it obtaines the exact estimate of the order and the convergence of zeros of the solutions of the equations.
频率选择性快衰落信道的精确估计对接收机性能的提高起着重要作用。
The receiver performance can be greatly improved by precisely estimating frequency-selective fast-fading channel information.
地震的全局阵列记录用于深度相的识别和建模，可精确估计震源深度。
Records of earthquakes at global arrays have been used for identification and modelling of depth phases in order to make accurate estimation of focal depths.
在一定的条件下，得到了上述方程解的增长级与零点收敛指数的精确估计。
Under some conditions, we obtain the precise estimates of the orders of growth and of the exponents of convergence of the zero - sequence of the solutions of the above equations.
效果“用来描述统计样本结果能更精确估计真实的总体误差率的可能性。”
The term effectiveness is used to describe the likelihood that the statistical sample result will be more accurate estimate of the true population error rate.
结果表明，用该算法可以精确估计载波相位和频差，有效地降低系统的误码率。
The simulation for QPSK shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system BER effectively.
信号捕获可被视为是对参数的粗略估计，而信号跟踪则可被视为是对参数的精确估计。
Signal acquisition can be considered as a coarse estimation of the corresponding parameters, while the signal tracking a fine estimation of the parameters.
对于开发任何软件来说，精确估计开发过程所需要的努力是不可能的，特别是在初期阶段。
It is impossible, particularly in the early phases, to accurately estimate the effort involved in developing any non-trivial piece of software.
这意味着可以利用它们相当精确估计它们的距离(因而可以估计他们所在的星系的距离)。
That means they can be used to estimate quite precisely how far away they (and thus the galaxy they inhabit) are.
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。
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.
该算法在已精确估计出信号和干扰 方向的前提下，把窄带权和宽带权相结合形成最优权。
The algorithm produces optimal weight by combining wideband with narrowband weight on the premise of accurate DOA estimation.
该方法可以实现转子位置的精确估计并具有一定鲁棒性和可靠性，可取代直接的位置传感器。
The proposed algorithm can realize exact estimation of the rotor position with certain robustness and reliability and can directly replace the sensor of position.
为精确估计噪声环境中的信号频率和幅值，数学证明了全相位DFT优良的抑制频谱泄漏的性质。
To estimate signal frequency and amplitude exactly under noisy circumstances, the excellent property of all-phase DFT restraining spectral leakage is mathematically proved.
正如波斯纳强调的，要精确估计高度偶发事件的实际发生概率是非常困难的，这次的漏油事件就是属于这类事件。
As Posner emphasizes, it is very difficult to estimate with any precision what is the actual probability of highly infrequent events, and such a leak would fall within this class.
研究者们说，比较基因突变的人群及没有基因突变的志愿者能帮助研究者们精确估计酒精的长期影响。
Comparing people with the mutation and volunteers without the genetic variation helped the researchers better gauge long-term effects of drinking, they said.
研究结果表明，基于HHT的涡街频率估计方法，可以精确估计涡街信号频率并提高涡街流量计的抗干扰能力。
Research results show that vortex frequency estimation method based on HHT can estimate vortex signal frequency accurately, and increase the antiinterference ability of the vortex flow meter.
同步跟踪则由多径跟踪的结果精确估计PN序列码相位，并实时跟踪信道各径成分由于多普勒效应产生的时延漂移。
Following, code tracking confirm the PN code phase precisely and track every multipath component's delay drifting due to Doppler effect.
计算机仿真实验表明，基于CS理论的DOA估计算法能够在采样点相当少的情况下精确估计出窄带信号的DOA信息。
Computer simulation shows that the DOA estimation algorithm based on CS theory can estimate accurately the narrowband signal DOA information in relatively small samples case.
利用黎曼对称空间同正交对称李代数之间的密切关系及一个矩阵不等式给出了一个复流形上截面曲率的上界的精确估计。
We used the relationship of the Riemann symmetric space and the symmetric algebra, a matrix inequality to provided a estimate sectional curvature of a complex manifold.
在保险风险和金融风险为重尾分布的条件下，得到了二维风险模型两种破产概率的精确估计以及另外一个破产概率的上下界。
Some precise estimates were made of two kinds of ruin probabilities of finite time with heavy- tailed insurance risk and financial risk.
本文对模拟退火方法进行了改进，以使其适应于离散事件动态系统(DEDS)仿真优化中优化目标值不可精确估计的特点。
The simulated-annealing optimization method is modified, so that it can be used to DEDS optimization designs by simulation in which the objective function values could not be evaluated accurately.
为了解决这个问题，提出了一种新的频率估计算法，采用扩频调制信息消除策略和分段相关FFT频谱分析技术实现频偏精确估计。
To solve this problem, a new method of frequency offset estimation is proposed. This method adopts modulated data elimination technique and the segmental correlation FFT algorithm.
本文的研究内容为多传感器信息融合理论中的状态融合估计理论，主要针对精确估计的实际应用中，状态融合估计理论存在的一些问题提出了解决方法。
This dissertation considers state fusion estimation of multisensor information fusion theory. The main work of here is to solve the problems when fusion estimation theory is applied in practice.
我们还需要开发出精确的方法，用于估计和预测国内和全球市场的生物燃料需求。
We still need to develop accurate ways to estimate and project biofuel demand in domestic and global markets.
统计视图和REOPT都使优化器可以计算出更精确的基数估计，而后选择一个最佳查询执行计划。
Both statistical views and REOPT allow the optimizer to compute a more accurate cardinality estimate and consequently choose an optimal query execution plan.
统计视图和REOPT都使优化器可以计算出更精确的基数估计，而后选择一个最佳查询执行计划。
Both statistical views and REOPT allow the optimizer to compute a more accurate cardinality estimate and consequently choose an optimal query execution plan.
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