查询词典 precision block

The precision of the traditional ultrasonic localization method is limited due to unsufficiently precise estimation of the sound velocity and the time of flight, therefore, a new method, the special fusion method for redundancy ultrasonic information was proposed to solve the precision problem.

针对常规的超声波定位方法存在对决定定位精度的声速与渡越时间估算不准，导致定位精度有限的问题，提出了一种新的超声波绝对定位方法，即冗余超声波信息特殊融合法。

The precision of choosing vailable field of visual of measurement system have a directeffect on definition of image coming from CCD camera, and on precision of measurement data finally.

测量系统有效视区选取的准确与否直接影响到CCD摄像机拍摄图像的清晰度，最终影响测量结果的精度。

For contrast experiments, k-means and DBSCAN algorithms are also implemented using Visual C++ 6. 0. We conducted a series of experiments, including the experiment of the correctness of clustering and outlier detection, the experiment of the precision of clustering and outlier detection. The experiment of the runtime, the experiment of the effect of clustering and outlier detection on parameters, the experiment of the impact of clustering and outlier detection precision by the order of data input, and the experiment of the effect of the algorithm validness by the density character of dataset.

本文使用Visual C++ 6.0实现了基于距离的聚类和孤立点检测算法、k-means算法和DBSCAN算法，做了大量的对比实验，包括聚类算法和孤立点检测正确性实验；聚类算法和孤立点检测精度实验；算法执行时间实验；参数对聚类和孤立点检测结果的影响实验；数据输入顺序对算法聚类和孤立点精度的影响实验；数据集密度对算法有效性的影响等。

In order to locate mined-out areas in gold mines and place a curb on its hidden hazard, through laying out two high precision gravity survey sections of the 1∶100 scale in the research area, with Canadian Scintrex Corporation′s CG-5AutoGrav gravimeter, the gravity anomaly data are measured by the high precision gravity survey method for the first time, and the inversion is made by the Euler deconvolution method to determine the collapse of the mined-out region and the stable sector.

为了确定金矿采空区的位置，对其隐患进行治理，首次应用高精度重力方法。在研究区布设了两条比例尺为1∶100的高精度重力测量剖面，使用加拿大Scintrex公司的CG-5AutoGrav型重力仪，测取重力异常数据，并采用欧拉反褶积方法实施反演解释，确定了采空塌陷区域及稳定地段。

In order to resist the noise data, Variable Precision Rough Set Theory was proposed. In this paper, the Variable Precision Rough Set Theory is applied to judge the development degree of a region. It can resist the interference of the noise and get simple rules, but does not change the ability of assorting.

为了提高在实际应用中对噪音数据的适应能力，Ziarkio提出了可变精度粗集理论，本文把可变精度粗集理论应用在一个判断地区综合发展程度的系统，实现了抗噪音的干扰，同时也大大简化了原始数据集。

started with the analysis of characteristic parameter of the successive detection logarithmic amplifier,mainly discusses the main factor affecting its transfer characteristic by mathematics reasoning to its transfer function,studies the correlative relations of the single stair′s plus,the series with the dynamic range and the logarithmic precision by matlab and matrixx simulation.so two pieces of conclusion have been reached:one is on condition that the dynamic range is limited,the more the series that is used and the single stair′s plus is less,the higher the logarithmic precision is.the other is that using the double amplifier chain can enhance the logarithm starting point,so its stability is improved.and the conclusion has been applied to the practical circuit′s analysis of the tacan beaconing receiver.

摘 要：从分析连续检波式对数放大器的特性参数入手，对其传输函数进行了数学推导，重点讨论了影响其传输特性的主要因素，通过matlab和matrixx仿真，研究了输入动态范围与级联级数、单级增益和对数精度的相互关系，得出了两点结论：一是在限定动态范围的前提下采用的级数越多其单级增益越小而精度就会越高，二是采用双放大链结构可以提高对数起点，从而提高其稳定性。最后将结论应用于塔康信标接收机实际电路的分析中。关键词：对数放大器；连续检波；塔康信标；对数精度

High efficient Precision Guided Munitions are playing an important part in the combats of recent years, and precision guidance technology is one of the critical technologies of them.

高度有效的精确制导武器已在近几年来的战场上发挥了重大作用，而精确制导技术是精确制导武器中的关键技术。

In the process of the oil field exploitations, the compartmentalizing and contrasting the high precision stratums are the key work in the strata study, the delicacy level of the compartmentalizing and contrasting the strata groups directly decides the depth and precision for recognizing a oil reserve rock.

在油田开发过程中，高精度地层的划分和对比是进行储层研究的关键性工作，油藏层组划分和对比的精细程度直接决定了对本区储层认识的深度和精度。

Simulation result shows that the effect of coning error on system precision can be reduced via improved hardware precision and software compensation.

仿真结果表明，采取提高硬件精度和软件补偿的方法可以有效地降低圆锥误差对系统精度的影响。

The delaminating reasoning, forward and backward mixed reasoning, precision and fuzzy reasoning are adopted combinative, to satisfy the request of the reasoning efficiency and the characteristic of the Chinese medicine. It has improved the system reasoning's precision and availability.

采用分层推理、正反混合推理与精确推理与不精确推理相结合的推理方法，很好的满足了中医诊断的特点和推理效率的要求，提高了系统推理的的准确性和可靠性。

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。"