1.
Analysis and Correction of Retrace Error for Nonnull Aspheric Testing
非球面非零位检测中的回程误差分析与校正
2.
Partial null lens for general aspheric testing
用于非球面通用化检测的部分零位透镜
3.
Zero position error measurement method of rotary inductosyn
旋转式感应同步器零位误差的自动检测方法
4.
Zero-crossing detection and phase compensation of BEMF in the sensorless control of BLDCM
无刷直流电机反电动势过零检测及其相位补偿
5.
Research on a Method of Across-zero Detecting with Phase Delay Compensation
具有相位补偿功能的过零检测方法研究
6.
Zero-crossing Detection and Phase Correction of Stator Third Harmonic EMF in Sensorless Control of BLDC Motors
直流无刷电机定子三次谐波反电势的过零检测及其相位修正
7.
A Novel Scheme of Sensing Rotor Position of BLDCM Based on the Zero-Crossing of Back EMF
反电动势过零检测无刷直流电机转子位置新方法
8.
00 oil mist detector zero setting checked.
21点零分检验油雾探测器零值设定。
9.
A Study of the Precise and Non-Contacting Measuring Systems for Form and Position Errors of the Rotary Parts;
回转类零件形位误差的非接触精密测量系统研究
10.
The key to this scheme is to use the zero crossing for output signal of fiber optical gyro.
此方案利用光纤陀螺输出信号的过零特性，把位相检测过渡为时域信号检测。
11.
Study on Non-intrusive Level Gauging Method;
非侵入式超声物位检测方法的实验研究
12.
Optical Design for "Petal" Phase Plate Testing System
一种非旋转对称“花瓣形”相位板的检测系统设计
13.
Alignment of Diffractive Optical Compensator Used for Aspheric Test
非球面检测中衍射光学补偿器的校准定位研究
14.
Zero-crossing Algorithm and Phase Correction of BEMF in the Sensorless Control of Trapezoidal BLDC Motors
直流无刷电机无位置传感器控制中反电动势过零检测算法及其相位修正
15.
When the galvanometer reads zero the circuit is in the null-balance position.
当检流计的读数为零时，电路处于零平衡位置。
16.
A CGH PHASE DETECTING INDIRECT SHEARING INTERFEROMETRY FOR ABSOLUTE MEASUREMENT OF ASPHERIC SURFACES
用于非球面绝对检测的计算全息位相探测类剪切干涉法
17.
Image Edge Detection Using Wavelet-Transform Based on Locating Zero-Crossings
基于过零检测的子波变换图像边缘检测
18.
In a positional notation, a zero in a more ?significant? ?digit? place than the digit place of the most significant nonzero digit of a numeral.
在按位记数法中,位于一个数的第一个非零数位左边的多个零。