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零位校准
相关语句
  zero calibration
     Functions such as multi channel automatic data acquisition,zero calibration and failure diagnose can be realized by the system,and multi parameters of step shafts such as diameter, coaxiality, radial variation, roundness and ellipticity can be measured at the same time by the system.
     该系统具有多通道数据自动采集、零位校准、故障诊断等功能 ,可实现阶梯轴直径、同轴度、径向跳动、圆度、椭圆度等的在线测量。
短句来源
  “零位校准”译为未确定词的双语例句
     The method divides the calibrating time into two segments,the mean value filter is adopted to remove the static bias in the first segment,and certain mathematics model is built to eliminate semi-static bias in the second segment.
     该方法将零位校准时间进行分段,在准备时间段采用均值滤波,将静态零偏值一次性基本校除,在工作初始时间段内根据特性建立一阶或高阶补偿模型校零,对准静态零偏值进行校除.
短句来源
     We analyze the theory of this method,give the example that used this method base on DMU3X piezoelectric gyro,and analyze the advantages and disadvantages of this method in the end.
     论文以DMU3X型压电陀螺的零位校准为实例,讨论该动态校准方法的具体原理,分析了应用这种方法的优点及需要注意的问题。
短句来源
  相似匹配句对
     T.
     T校准
短句来源
     An Experimental Study on the Stability of Zero Position
     稳定性实验研究
短句来源
     A Design of Optic Fiber Interferometer Measuration Zero Position System
     光纤干涉测量系统的设计
短句来源
     On Zero Sum
     说“和”
短句来源
     CALIBRATION METHOD FOR ACCELEROMETER
     加速度计的校准
短句来源
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  zero calibration
Zero calibration was performed by using the optical density value of wells incubated with the corresponding preimmune serum.
      
An automatic zero calibration with particle-free air is performed every 60 minutes for setting the instrument to zero.
      
By default, the mode is set to zero calibration with auto-end, but these parameters can be changed.
      
Hach Ultra recommends that the sensor be calibrated on an automatic basis, which invokes a zero calibration, at monthly intervals.
      
If zero calibration is selected, no other parameters are required to be set.
      
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The measuring principle, system composition and measuring error analysis of the computer controlled step shaft multi parameters on line measuring system are introduced. Functions such as multi channel automatic data acquisition,zero calibration and failure diagnose can be realized by the system,and multi parameters of step shafts such as diameter, coaxiality, radial variation, roundness and ellipticity can be measured at the same time by the system.

介绍了微机控制的阶梯轴多参数在线测量系统的测量原理、系统构成及测量误差分析。该系统具有多通道数据自动采集、零位校准、故障诊断等功能 ,可实现阶梯轴直径、同轴度、径向跳动、圆度、椭圆度等的在线测量。

Based on the analysis of zero characteristic for low precision gyros,a new time-division zero calibration method was proposed to solve the problem that the zero position error of the micro-machined gyro seriously affect the location precision of the guide system composted of the gyro.The method divides the calibrating time into two segments,the mean value filter is adopted to remove the static bias in the first segment,and certain mathematics model is built to eliminate semi-static bias in the second segment.The...

Based on the analysis of zero characteristic for low precision gyros,a new time-division zero calibration method was proposed to solve the problem that the zero position error of the micro-machined gyro seriously affect the location precision of the guide system composted of the gyro.The method divides the calibrating time into two segments,the mean value filter is adopted to remove the static bias in the first segment,and certain mathematics model is built to eliminate semi-static bias in the second segment.The experiment indicates the bias is reduced by more than 90% in this way.To further improve the compensation precision,a zero position compensation method of transfer alignment was presented,i.e.combining with the high precision position signal of carrier to calibrate the original zero position of inertial measurement unit of the micro-(machined) gyro.Simulation experiments show that the starting time of the optimal alignment is in 20~30 ms after gyro is stabilized.The length of alignment time of master and sub-system can be restricted within several hundred milliseconds and zero position error can be limited to less than 0.01(°)/s in the range of the carrier sway frequency.The error caused by synchronous time difference of the master and sub-system is changed periodically in ms order.

针对微机械陀螺仪零位误差严重影响制导系统的定位精度问题,提出了时间分段的零位补偿方法.该方法将零位校准时间进行分段,在准备时间段采用均值滤波,将静态零偏值一次性基本校除,在工作初始时间段内根据特性建立一阶或高阶补偿模型校零,对准静态零偏值进行校除.经实验验证,该方法使零偏值比校正前降低了90%以上.为进一步提高补偿精度,提出了应用传递对准这一零位补偿方法,即结合载体高精度方位信号校正微型陀螺仪测量组件系统初始零位值,有效地提高了校零的时效性.仿真实验表明:传递对准最佳起始时刻在陀螺仪稳定工作后10~30 ms后,主、子系统传递对准时间长度可在几百毫秒内,零位误差在载体抖动频率范围内可以被限定在0.01(°)/s以下,主、子系统同步时差所引起的误差项呈毫秒级周期性变化.

Repetition of zero-position is one of the key questions which affect the ability of gyro's quick-start.This paper presents a method of quick zero-calibration for gyro according to the characteristic of piezoelectric gyro.This method is practical,simple and available to the batch-production of IMU(Inertial Measurement Unit).We analyze the theory of this method,give the example that used this method base on DMU3X piezoelectric gyro,and analyze the advantages and disadvantages of this method in the end.

零位重复性问题是实现陀螺快速启动的关键技术之一,该文基于压电陀螺的自身特性介绍了一种动态校准陀螺零位的方法,其校准原理简单,实现方法经济、快捷,适于批量型生产应用。论文以DMU3X型压电陀螺的零位校准为实例,讨论该动态校准方法的具体原理,分析了应用这种方法的优点及需要注意的问题。

 
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