precision measurement

Precision Measurement of Readout Signal for High Density Optical Storage

高密度光盘读出信号质量的精密测试

High-precision satellite navigation and positioning, timing measurement, posture measurement and lateral measurement techniques depend on high-precision spatial reference and time reference.

高精度的卫星导航定位、授时、测姿及侧向等技术都依赖于高精度的空间基准和时间基准。

The Precision Measurement of Screw Camber Varying with Pitch Pushing for Precision PRECISION STEEL TUBES Thread Milling

变螺距螺纹曲面的精密测量

Precision measurement of focal length of large optical system

大型光学系统焦距的精确测量

The Study at Automatic Focusing Systems and Methods of Calibrated Focal Length Used in Precision Measurement

矫顽力自动测量装置用于精密测量的自动变焦系统及标校方法的研究

This paper introduced a new type micro-displacement measurement instrument which has a high accuracy, called "digital capacitive micrometer". It can be used for the precision measurement of workpiece shape error and dimensions parameters and the dynamic tast of mechanical vibration and shock.

本文介绍一种新型的高精度微位移测量仪器一数字式电容测微仪，它可以广泛应用于工件形状误差、尺寸参数的精密测量以及机械振动、冲击的动态测试。

Profilometry for phase measurement with non-integral times twin-frequency grating is proposed, lowering the errors transferring during phase-unwrapping. The simulating experiment compared with integral times twin-frequency grating shows that the measuring precision is improved.

提出了采用非整数倍双频光栅投影的相位测量轮廓术，减小在相位展开过程中误差的传递，与采用整数倍双频光栅投影测量进行了模拟对比实验，表明测量精度得到了提高。

Study on the precision theory of dynamic measurement on whole system

论全系统动态测试精度理论研究

To solve attitude measurement problem of the gun-launched cruise projectile under high over load, a precision measurement method was proposed, based on geomagnetic field.

针对高过载下炮射巡飞弹姿态难以测量的问题，提出了基于地磁场的姿态测量方法。

Carburization process requires a high precision measurement and control system to control the carburizing quality of processed parts.

渗碳过程要求有高精度的测控系统来控制加工零件的渗碳质量。

The ascertainment of multi-targets' parameters in high precision measurement radar

高精度测量雷达中多目标参数的确定

The measurement methods of the nipple include the precision measurement and the current measurement.

接头的测量方法分为精密测量法和通用测量法.

On the Morden Research and Analysis of Temperature Error in the Precision Measurement

论精密测试中温度误差的现代研究分析

Experimental Research on Precision Measurement of PCB Based on Image Recognition

基于图像识别的印制电路板精密检测实验研究印制电路板袖珍测试器

The precision of the 3 D shape measurement is improved using an automated parameter adjusting method which corrects the measuring parameters based on calibration testing of a known size object.

为进一步提高精度，还采用了自动参数确定方法，即结合对已知尺寸物体进行的标定实验，在设定调整范围和步长的基础上根据测量结果对部分参数进行自动调整。

High Precision Measurement Technical of Ultrasonic Flowmeter in time difference mode

时差法超声波流量计的高精度测量技术

The precision measurement methods are further grouped into the ring gauge measurement, the high gauge measurement and the stride edge gauge measurement.

精密测量法包括环规测量法、高度测量法、跨棱测量法等；

When using cylindricity measuring instrument to perform precision measurement of rotary parts, in order to ensure the measuring precision and measuring efficiency, a precise filtering method should be used and precision centering and tilting adjustment should be performed before measurement.

在使用圆柱度测量仪对回转型零件进行精密测量时，为了保证检测精度和检测效率，一方面要使用准确的滤波方法，另一方面在测量前要对工件进行精确的调心调倾。

Precision measurement of the radius of curvature of convergent laser beam

会聚球面波曲率半径的精确测量

The theory of thermal ionization mass spectrometry has been deeply discussed and the procedures for high-precision measurement of isotopes of lithium, indium and cerium have been established.

该成果对质谱中的热电离理论进行了较深入地讨论，建立了高精度质谱测定锂铟铈同位素的方法。

This paper studies a new precision theory of dynamic measurement on whole system by using function of transfer chain instead of the traditional transfer function.

文章以传递链函数代替传统的传递函数的方法来研究全系统动态测试精度理论。

Study of High Precision Measurement of Frequency for SAW CO Gas Sensors

声表面波CO气体传感器高精度频率测量研究

Application of the Laser Moire Signals in Precision Measurement and Position

莫尔条纹信号在精密检测与定位中的应用

Research on High Precision Measurement System of Rotation Rate

高精确度数字式转速测量技术的研究

Precision measurement for small size parts based on support vector regression

基于支持向量回归的小尺寸零件精密测量

Applications and research on the precision measurement of cylindrical cam profile

圆柱凸轮轮廓的三坐标测量法研究及应用

The Application of Intel 8253 in the Precision Measurement of Displacement

8253在位移精密测量中的应用

Research on mechanical part thermal deformation in precision measurement

精密测试中影响机械零件受热变形的因素研究

And the concrete operation of temperature rise test of autotransformer, the simplified test circuit and precision measurement were discussed.

分析了自耦变压器各绕组段中的电流，探讨了自耦变压器温升试验中的具体操作、简化试验线路和精确测量。

The Low Frequency Noise Precision Measurement Equipment Design

低频噪声精确测量装置的设计