基于快速循环累积量实现了对LPI雷达信号频率的高精度估计。
Based on the fast cyclic cumulants method, the frequency of LPI signal was estimated accurately.
分析了不同定位方法确定水下目标位置的差异，并进行了精度估计。
It discusses the difference in underwater target positioning with different positioning methods and makes an estimate of the accuracy.
其关键的技术是如何实现对目标信号的实时准确检测以及目标方位的高精度估计。
The key technologies are how to realize the real-time signal detection and target azimuth accuracy estimates.
精度估计是线性参数处理中重要的一部分，而累积法是进行线性参数处理的一种新方法。
Accuracy estimation is an important part in linear parameter processing, and cumulative-sum method is a new method for linear parameter processing.
阐述了此方法的实施过程及解算原理，进行了精度估计，并以实际测量结果进行了验证。
Course and calculating principle and accuracy of this method have been discussed. This method have been proved to be viable through geodesic results.
文中介绍某电厂施工测量中有关控制网的优化设计、精度估计及控制点位放样方法等问题。
Problems concerned with the optimum design, precision estimation and control point positioning of the control network in construction survey of a power plant are introduced.
以频域解析方法，研究由地面重力数据、全球位模型确定区域重力大地水准面的相对精度估计。
Relative accuracy of regional gravimetric geoid determination is estimated by an frequency domain analysis, which is determined by regional terrestrial gravity measurements and geopotential model.
从最小二乘配置出发，推导了附加先验约束的高精度GPS网平差的参数估计和精度估计公式。
Substantively to say, the adjustment model of GPS network with apriori constraint is a kind of Least Squares Collocation model.
将最小二乘法应用于解算GPS定位方程，并对其进行精度估计，提出了一种新的星座选择算法。
We apply the least squares estimate to calculate GPS single point positioning equation and precision estimate, and put forward the new satellites' constellation choice algorithm.
论述了在物理实验中有效数字在精度估计，参量选择，仪器选择和使用以及实验设计等方面的应用。
This paper concerns the application of effective numbers on precision estimation, choice of parameter, instrument choice and usage, and physical experiment design.
数据建模是参数估计与精度估计的主要手段，也是实际工程中进行系统故障诊断与修复的主要途径。
The modeling is a main means to estimate parameters and precision, and is also a main approach to diagnose and repair the system's fault in practice.
这项建议的目的，是过程的比较从两个不同的测试程序或文书确定的精度估计解决缺乏IWTO 0中。
This proposal seeks to address the lack of procedure in IWTO-0 for comparing precision estimates determined from two different test procedures or instruments.
该方法能够以较高精度估计目标的多普勒起始频率和中心频率，并能分辨在时频平面位于同一直线的多个目标。
This method is able to estimate precisely the initial Doppler frequency and the Doppler centroid, and to distinguish between multiple targets lying in the same line in the time-frequency plane.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法，实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
以线性系统频率响应函数的辨识为研究课题，对系统辨识中所面临的各种干扰噪声对模型精度估计的影响进行了系统的研究。
Serving as the question for study with identification of the frequency response function of the linear system, the effects of noises for estimated accuracy are discussed.
针对GPSRTK技术定位精度验后估计的欠缺，给出了GPS RTK测量成果的精度估计方法，通过实例介绍了此法的应用。
The methods of precision estimation of GPS RTK survey production are given in this paper, and their application is introduced with examples.
在分析比较组合预测与单个预测的精度(误差)大小基础上，给出了组合预测精度高于单个预测精度的条件，并给出了组合预测的精度估计公式。
On the foundation of the analysis and comparison of the error of the combination forecast and independent forecast, the paper has given the conditions of the former being least.
本文仔细研究了在高斯白噪声信道下、频率平坦衰落信道下和频率选择性衰落信道下高精度估计信号载频偏差的问题，并对相应算法提出了一些改进办法。
The problems of carrier frequency offset estimation under the condition of the AGWN channel, frequency flat-fading channel and frequency selective-fading channel are studied in detail respectively.
通过减少毫秒值的精度可以使用单向散列，但这是有风险的，风险的估计就留给感兴趣的读者吧。
One-way hashes could be used by eliminating some of the precision in the microseconds values, but this is best left to the reader with a desire to evaluate the risks on their own.
这种方法更简单，因为你不用额外去估计或者计算什么，但有些人认为这种方法的精度不及第一种方法。
This method is easier because you don't have to do any addition or other calculation, but some people feel it's less accurate than using the first method.
为了提高在杂波环境下跟踪强机动目标的精度，提出了一种新的基于期望极大化(EM)算法的机动目标状态估计方法。
To improve the accuracy of tracking the complex maneuver target in cluttered environment, a new state estimation algorithm based on the expectation maximization (EM) algorithm is presented.
估计GM(1,1)模型中的参数通常采用最小二乘准则，而在模型精度检验时又常采用平均相对误差。
Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.
为提高其精度，提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。
A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.
随着舰船摇摆频率和幅度的增大，失准角的估计精度会进一步得到提高。
As the frequency and range of sway increase, the estimation accuracy of misalignment angles will be further improved.
但是对转子磁链估计的精度要求很高。
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
The experiment result indicated that the system improved the ranging precision, at the same time got more accurate estimation of the distance.
讨论了利用GPS多普勒频移观测值确定运动载体速度的基本原理，估计出采用这一方法可以达到的精度。
The basic principle for determining the speed of moving vehicles with GPS Doppler observed values is discussed, and the available accuracy with this method is presented.
变量因子选择对参数估计和估测精度的影响分析。
Analysis on the effect of parameter estimation and forecast accuracy according to the select of variable factors.
并按目前的精度水平定量估计了这种不一致的大小以及对位移场的影响。
Based on the actual accuracy of coordinates of fiducial stations, the magnitudes of the inconsistency of reference frame and its influence on displacement field are estimated quantitatively.
并按目前的精度水平定量估计了这种不一致的大小以及对位移场的影响。
Based on the actual accuracy of coordinates of fiducial stations, the magnitudes of the inconsistency of reference frame and its influence on displacement field are estimated quantitatively.
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