查询词典 statistical accuracy

A method for distant detecting and high accuracy tracking of carrier rocket is suggested,and the ablity of laser range finder is analyzed on the basis of high accuracy tracking.

文中结合运载火箭的特点，提出了实现光学远距离探测和高精度跟踪瞄准的技术途径，并以高精度跟踪瞄准为基础，分析了激光测距机的远距离测量能力。

To improve orientation accuracy of the cooperative objective object in 3D Cartesian space, an orientation method with subpixed accuracy was implemented, which establishes a base for the imlementation of accurate visual servoing operation.

为了提高合作目标三维空间定位的精度，采用了一种合作目标亚像素精度定位的方法，为视觉伺服进行精确的操作奠定了基础。

Because the temperature along the pipeline is not a constant, it changes the velocity of the negative-pressure-wave; the Romberg algorithm of numeric integral and the searching for algorithm are emloyed to locate the leakage.Multi-scale decomposition and reconstruction of wavelet transform is applied to filter the noise of negative-pressure-wave, which was brought by leakage. With the capacity to detect the signal singularity fast and accurately, wavelet transform was used to catch the break point of pressure signal. The work improved the accuracy of Δt in location formula, and the location accuracy is improved.

利用小波变换的多分辨分析和重构技术，对采集到的管道发生泄漏时产生的负压波信号进行了消噪处理；并利用小波变换技术对信号奇异点快速、准确的识别能力，对经过消噪处理后的负压波信号进行了奇异点捕捉，准确确定了定位公式中上、下游站点采集到的负压波奇异点的时间差△t，从而提高了定位的精度。

Theaccuracy of the centripetal acceleration field and the attitude accuracy of themounting workpiece plane provided by centrifuge have a direct bearing oncalibrating accuracy of the tested accelerometer.

离心机所产生离心加速度场的准确度和提供安装基准的姿态准确度直接影响被测加速度计的标定准确度。

The system's accuracy depends on improving the accuracy of the laser centroid algorithm.

本文还提出了对单条线激光测量数据进行分段处理的新算法。

The work in this dissertation provides a systematic approach for evaluating the accuracy of the laser-cooled cesium fountain frequency and a basis for the design of the standard and the improvement of the accuracy.

本文的工作为正确评定激光冷却与囚禁铯原子喷泉频率基准的准确度提供了系统的理论与方法，为铯原子喷泉频率基准的设计和进一步提高其准确度提供了依据。

This paper proposes to make use of the probability circle method used for missile accuracy evaluation in the AUV s guidance accuracy assessment.

该方法根据批次试验中，落入对应一定概率的概率圆中的次数做出该批次产品是否满足制导精度的判断，并给出使用方和研制方的风险分析。

To improve the accuracy, as to the hardware, the quality of composite polymer films and adjustment of light path were controlled strictly, including cleanout of base, synthesis of solvent, filtering of solvent, preparation of the films and control of picturing. As to the process of picturing, adding gauge, foreground and background, many exposals in same angle were used, and the area of the films to measure was also chosen. As to software, picture analysis was mainly used to improve accuracy.

为了提高测量精度，在硬件方面严格控制复合聚合物薄膜的质量和光路的调整，包括：基片的清洗、溶液的配制、溶液的过滤、薄膜的制备、和摄像的控制等等，在采集图像的过程中，通过加标尺、测量前景和背景、同一角度下的多次曝光、薄膜测量区域的选择等等措施来消除误差；在软件方面提高测量精度方法主要采用图像处理的方法，并用自编的软件处理数据。

After testing, two borehole coordinate setting-out of the plane in line with accuracy of better than 6 cm, outer line with accuracy of better than 20 cm, in order to carry out drilling operations drilling team to provide a precise location.

经检测，两个钻孔坐标放样的平面内符合精度优于6厘米、外符合精度优于20厘米，为钻探队伍开展钻井作业提供了精确位置。

The coordinate transformation and numerical integration was executed on the discretized tetrahedral elements based on which the 3-D MT vector-finite element method was implemented. A whole computation framework for 3-D vector-finite element method with unstructured mesh was given. Based on this some typical models were tested which has demonstrated that our algorithm could distinctively avoid problems caused by the fake solution and both the accuracy and efficiency were enhanced which made our algorithm has a bright future for further application.3. According to theory of Sobolev vector space and the discretization of Helmholtz space, the error estimate which was suitable for 3-D MT vector-finite element modeling was deduced by which the procedure of adaptive technique was guaranteed.4. Based on the fully unstructured tetrahedralization and optical strategy, the 3-D magnetotelluric h-adaptive vector-finite element method was presented through combining the error estimate. With this work, the accuracy and creditableness for 3-D MT complicatedly modeling was guaranteed.5. The 3-D magnetotelluric h-adaptive vector-finite element algorithm with unstructured mesh was implemented.

针对非结构化的四面体单元，采用坐标变换和数值积分方法，实现了MT三维矢量有限单元分析，建立起基于非结构化网格的三维MT矢量有限元计算流程，并对典型模型和国际标准电磁模型进行了数值模拟，结果对比和分析表明，基于非结构化网格的三维MT矢量有限元不仅消除了节点型有限元的伪解，而且具有很高的计算精度和速度，有广阔的应用前景。3、根据Sobolev函数的向量空间和Hemlholtz空间的分解，推导出基于残差的三维大地电磁矢量有限元后验误差估计公式，为三维大地电磁自适应矢量有限元数值模拟的实现奠定了基础。4、在完全非结构化四面体单元剖分及优化基础上，结合三维大地电磁矢量有限元后验误差估计公式，提出了基于非结构化网格的三维大地电磁h-型自适应矢量有限元计算策略，保证了对复杂大地电磁模型数值计算的精度和可靠性。5、实现了基于非结构化网格的三维大地电磁h-型自适应矢量有限元计算流程，对典型模型和国际标准电磁模型进行了数值模拟。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"