Analyzes the principle errors in measuring small dimensions by Fraunhofer diffraction, including Fraunhofer approximation error and the place detecting error of extreme value characteristic aspect.
分析了用夫朗荷费衍射测量微小尺寸的原理误差，包括夫朗荷费近似误差和极值特征点位置探测误差。
The system is made up of several types of sensors, considering that a single sensor is characterized by small coverage, great measuring error and serious time delay of data propagation.
系统由多类型传感器组成，单个传感器测量范围小，测量误差大，并且数据传输时延大。
It was proved in practical measurement experiments that the principle of measuring gear integrated error with a small pressure Angle measurement worm was correct and the technology was possible.
经过实际测量实验，证明了小齿形角工具蜗杆测量齿轮整体误差原理上的正确性，技术上的可行性，展示出此项新技术的潜在优势及应用前景。
Measuring the speed, range and the actual speed of the ship, the range of error was mainly due to the spread of ultrasound in the water caused by the change in speed, the error is relatively small.
测量的航速、航程与船舶实际的航速、航程存在的误差，主要是由于超声波在水中的传播速度发生变化引起的，误差相对较小。
On the basis of this, injecting frequency conversion signal method on measuring capacitive current is selected to use here. It is reliable and its error is small, timeliness is good.
在此基础上，选择了对地电容电流测量的注入变频信号法，该测量方法具有测量误差小、实时性良好、安全可靠的特点。
For vibratory gyro, very small coupling error will induce great measuring error because driving vibration is much greater than sensing vibration.
由于驱动振动幅度远大于读出振动，因此极小的耦合量就会造成很大的检测误差。
Under conditions of monochromatic light and a small object, the spherical aberration was the main factor which led to measuring error of focus of thin convex lens.
在单色光、小物条件下，球差是引起薄凸透镜焦距的测量误差的主要因素。
The experiment error of sound velocity measuring is very small with lissajous figures.
用李萨如图形法测量声速误差较小。
The experiment error of sound velocity measuring is very small with lissajous figures.
用李萨如图形法测量声速误差较小。
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