查询词典 accuracy of measurement

The measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth.

它对激光绝对频率的测量可达到与激光线宽同一量级的精度。

It is found that the phase-conjugate fifth-order polarization beat is due to the interference between fifth- and fifth-order optical polarizations, the beat signal oscillates not only temporally but also spatially, and the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth.

发现相位共轭五阶极化拍频是五阶非线性光学极化强度之间干涉的结果，拍频信号不仅进行着时间振荡而且同时进行着空间振荡，它对激光绝对频率的测量可达到与激光线宽同一量级的精度。

It is found that the phase-conjugate fifth-order polarization beat is due to the interference between fifth- and fifth-order optical polarizations,the beat signal oscillates not only temporally but alsospatially,and the measurement accuracy for laser absolute frequency could reach thesame order of magnitude as the laser linewidth.

发现相位共轭五阶极化拍频是五阶非线性光学极化强度之间干涉的结果，拍频信号不仅进行着时间振荡而且同时进行着空间振荡，它对激光绝对频率的测量可达到与激光线宽同一量级的精度。

The test result shows that the instruments at the same accuracy grade provide different cycling error, so it is necessary to provide maximum cycling error to guarantee all of the measurement errors within the limited range.

试验结果表明，相同准确度等级的仪表，其回转误差优劣相差很大，因此，必须提供仪表最大回转误差，以确保所有测量误差处在限定范围之内。

In addition, the needs of the measurement accuracy are analyzed, which is used to confirm the digit of A/D.

对各参数的测量精度做了分析，并由此确定了相应的A/D转换位数。

Particularly,the accuracy and resolution of the range measurement are analysed in detail.

对双基地雷达的三大同步一空间同步、时间同步和频率相位同步进行了较为深入的研究，提出了相应的实现方法。

This new type of probe can measure the surface of free-form such as impeller machine. It has the advantages of large measurement range, high accuracy and efficiency.

西安理工大学硕士学位论文该新型测头的研制可以实现叶轮机械等自由曲面的表面形状测量，具有测量范围大，精度高，效率高等优点。

node location is one of the key technologies in wireless sensor network.rssi－based location is a hotspot in nowadays.for resolving biggish error in rssi－based location,the paper presents a new method of location,rssi－based triangle and centroid location,using triangle and centroid method to reduce the error of rssi measurement.simulation experiments prove that this algorithm can obviously improve the location accuracy compared to trilateration.

摘 要：节点定位是无线传感器网络中的关键技术之一。基于rssi的定位技术是现阶段研究的热点，为解决rssi测量方法定位误差较大的问题，提出一种将rssi测量方法与三角形质心算法相结合的新型定位算法，该算法用三角形质心算法减小rssi的测量误差。仿真表明该算法比基于rssi的三边测量法定位算法的定位精度有较大提高。

Simulation results show that in the image rotation and scale variation range resulted from the navigation system error and the measurement error of the wireless pressure altimeter, the proposed image matching algorithm can satisfy the accuracy demands of the scene aided navigation system and provide the location error-correcting information of the system.

仿真分析表明，在导航系统误差漂移所引起的图像旋转和气压高度表所引起的尺度变化范围内，该算法能满足匹配准确性的要求，并能有效给出系统的定位误差修正信息。

At present, as the production level is advanced with the technology of astronavigation and continuous development of aviation, higher accuracy and efficiency in measurement are demanded to meet them. Therefore, studies on the stiffness measuring of spring tubes, typical plastic parts, is of great importance in enhancing strength of national defense.

随着制造技术水平的提高以及航空航天技术的不断发展，对精密弹性元件的加工精度和加工效率提出了更高的要求，所以研究以弹簧管为代表的该类弹性元件的刚度精密测量技术对增强国防实力有着重要意义。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。