并针对不同的相角量测精度，采用不同的状态估计模型。
State estimation models are developed with PMU of different precision.
文章还对其基频检测机理和采用“过零检测，信号分离”技术提高基频量测精度作了较详细的论述。
The principle of the pitch detection and to increase the accuracy of pitch detection by using "Zero-crossing, detection. signal sep…"
为了提高该算法的速度和精度，对系统的量测空间进行了等价变换，而等价系统的状态空间却没有改变。
In order to improve the speed and precision of this algorithm, an equivalent transformation was taken for the system's measurement-space at the same state space.
其次对目前量测面积的各种方法从精度及效率上进行分析比较，指出各种方法的优缺点和适用范周。
The paper also compares general methods of measuring area in accuracy and efficiency and enumerates their advantages, shortages and suitable ranges.
从文中分析可以看出，量测变换技术的应用虽提高了算法的运算速度但牺牲了估计精度。
From the analysis results it is shown that the computation speed of the algorithm can be increased by applying measurement transformation technology, but the estimation accuracy will be sacrificed.
最后以直接线性变换法作为测量解算依据、VC 6.0作为软件开发平台建立起了近景摄影量测系统，并对其精度进行了测试。
At last we use the directly linear translation as measure basis and VC6. 0 as software platform to establish a close-range photograph survey system. and also test it's precision.
提高统计计算的速度和精度，二是为现地统计计算量测记录工作开辟了一条新路。
The utilization of IC cards can save the inner work times, increase the speed and precision of calculation and make a new path to measure and record for forest resources.
文章介绍了一种在导线测量中，既能提高测量精度，又能减少工作量的方法——边角分测法。
The article introduces a method which cannot only raise accuracy but reduce the load in wire measurement, that is measuring lines and angles separately.
就工作原理、试验装置、量测方法及精度分析等方面作出了一些结论。
Finally, some conclusions are made on the experimental device, operation principle, method of measuring and accuracy analysis.
高度区间法观测工作量适中，计算简便，能够清晰地揭示积累量随高度的变化特征，计算精度主要取决于测点的数量和分布状况。
And both of the number of point measurement and its distribution has an important effect on the accuracy of the accumulation calculated by method C.
对非量测用摄影机所摄影像的解析处理，控制点起着不可缺少的桥梁作用，控制点的数量和分布形式将直接影响平差结果的可靠性和精度。
In the data processing of photography obtained by non surveying camera, the number and distribution of control points will directly effect the reliability and precision of the adjustment results.
研究了广域量测系统与数据采集与监控系统组成的混合量测系统下的状态估计精度问题。
The precision of state estimation of hybrid measuring system based on Wide-area Measurement system (WAMS) and Supervisory Control and Data Acquisition (SCADA) has been studied in this paper.
PMU精度足够高时，直接将P MU的量测值作为状态估计的状态解，PMU所在节点的电压相量不参加状态估计。
As for the measurements with enough precision, the measurements of PMU are regarded as state results directly.
位移测试装置利用高精度差动变压器位移传感器完成塑性测压器件的变形量（或压后高）的测量；
The deformation or the highness after shooting of the plastic pressure-measuring elements is measured by the high precision LVDT displacement sensors in length testing device.
针对微小结构几何量测量的需求，通过集成MEMS微触觉测头和纳米测量机构建了高精度的测量系统。
According to dimension measurement requirement of micro structure, a measurement system combined by MEMS micro tactile probe and nanomeasuring machine is constructed.
根据设备系统噪声及量测噪声的统计特性，对采样信号运用卡尔曼滤波技术，提高了测量精度。
By measuring equipments' noise and estimating its value through Kalman filter, the accuracy of the equipments was effectively enhanced.
在计算机视觉的应用领域中，为了提高图像量测和3维重建的精度，必须对相机的畸变误差进行修正。
In the application fields of computer vision, camera nonlinear distortion should be rectified in order to enhance the accuracy of the image measurement and 3d reconstruction.
本发明具有测高范围大、测 量精度高的优点，可用于对飞行载体距离地面的高度测量。
The present invention has merits of large height measurement range and high measurement precision, and is useful for measuring height of the flying load to ground.
运用先进的高科技雷射量测系统来检测机台的定位精度、螺距及背隙补偿。
Use an advanced laser measuring system to inspect position accuracy, pith, and backlash compensation of machine body.
在利用摄影测量原理与计算机视觉技术对零件尺寸及位置等方面的检测、量测过程中，精度是我们最关心的问题。
The precision is the key that we care about most in utilizing the photogrammetry principle and computer vision technology to measure or inspect the size and position of the part.
对宽度尺寸快速检测量具的评估，用测量系统波动性原理，计算量测系统重复性和再现性，分析量具的精度。
By using measurement system analysis principle, calculating the value of gage repeatability and reproducibility, in order to evaluate feasibility of housing width quickly gage.
为了保证采集的结构面样本数量足够多，同时又使测量工作量最省，测线法应用时首先需要确定一个能够保证测量精度的最小测线长度——最佳测线长度。
To ensure the quantity of collected joint samples enough, and at the same time, to save surveying workload, the optimum scan line length should be determined first of all.
为了保证采集的结构面样本数量足够多，同时又使测量工作量最省，测线法应用时首先需要确定一个能够保证测量精度的最小测线长度——最佳测线长度。
To ensure the quantity of collected joint samples enough, and at the same time, to save surveying workload, the optimum scan line length should be determined first of all.
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