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Roscopic survey technology uses dynamical tuning velocity gyro to measure the angular speed component of earth rotation; the quartz accelerometer measures the acceleration component of earth, the dip angle, azimuth angle, instrument side angle and some other parameters of well bore are calculated.

陀螺测斜技术以动力调谐速率陀螺测量地球自转角速率分量和石英加速计测量地球加速度分量为基础,经计算得出井筒的倾斜角、方位角、工具面角等参数。

The check and measure methods of Bragg angle step and precision etc. parameters with high precision autocollimation are investigated.

针对同步辐射光束线中的弧矢聚焦双晶体单色器,研究了高准确度自准直平行光管对Bragg转角的步长分辨、转角准确度等参量检测的方法。

To install the fixed filler on the corner cabinet, use a ф4.2MM drill to drill a hole on the bottom panel at a place near the fixed filler. Use pneumatic screwdriver to turn at the hole positions to form countersink holes. Use 4*50 self-tapping screws to secure the fixed filler on the bottom panel. Keep

转角柜固定封板的安装,先用ф4.2MM的直钻在柜底板靠近固定封板处打孔,/然后用风批头在打孔处转动几下形成螺钉沉孔,再用4*50的自功钉把封板固定在柜底板上/安装可调脚将柜底保持朝上,然后正面进入50MM画线并装好柜脚座。

The azimuth of the host shaft was determined with A set of Eulerian angle (precession angleψ, nutation angleθ, self- rotation angle Φ).

用欧拉角(进动角ψ、章动角θ、为自转角Φ)确定刀具主轴方位。

On the basis of direct modelling method by using extended Kalman filter, a new method combining extended Kalman filter with adaptive extended Kalman filter is presented to model gyro drift directly from rotate angle of turntable. Extended Kalman filter has great estimation error, what is more, may be divergent if the model and noise statistic are not accurate or wrong. The new method solves the problem of general extended Kalman filter by using fictious noise with timevarying statistic to compensate the linearized model error of extended Kalman filter. The parameter estimators of single-axis and double-axis servo test are designed from it.

本文深入研究了根据伺服试验数据进行陀螺仪漂移误差模型建模的方法,在应用广义Kalman滤波器直接建模的方法基础上,针对广义Kalman滤波器对于不精确或错误的模型和噪声统计,估计误差较大,甚至滤波发散的缺陷,借助于用带时变噪声统计的虚拟噪声补偿广义Kalman滤波的线性化模型误差的新思想,提出了用广义Kalman滤波和自适应广义Kalman滤波算法相结合的方法由转台的转角数据直接建模陀螺仪漂移误差模型,并设计了陀螺仪单轴伺服和双轴伺服测试时参数估计的滤波器。

A slim azimuth 20 independent-arm caliper logging tool;2. Design of TFY-1 universal azimuth jointer with a restrained gyroscope;3. The pit shaft parameters of the elevation angle,the azimuth angle,the tool of facial angle and so on are obtained after the computation.

陀螺测斜技术以动力调谐速率,陀螺测量地球自转角速率分量和石英加速计测量地球加速度分量为基础,经计算得出井筒的倾斜角、方位角、工具面角等参数。

He expressions of the various order of Trilemma constant are given, in which the seventh-order Trilemma constant can be used as a criteria of the deflection aberration correction at large deflection angle The high resolution display tubes with large deflection angle makes more demands on deflection sensitivity.

rilemma效应是偏转系统实现自会聚的一个重要判据,对高级偏转像差的校正,需要考虑高阶Trilemma效应的影响,本文从多极场偏转像差校正理论出发,应用区域分割的方法,对直至七阶的Trilemma效应进行了分析,给出了各阶Trilemma常数的表达式,其中七阶Trilemma常数可以作为大偏转角偏转像差校正的判据。

This paper makes use of PID control, Fuzzy- PID control based on single parameter these two control strategies to simulate the systems model. Compared with common vehicle, the results of simulation show that the vehicle equipped with the electromagnetic power steering system has better yaw velocity frequency response characteristic under condition with step input of steering wheel, so it has more betterhandling stability; Compared with PID control strategy, the results show that the Fuzzy-PID control strategy has the advantages, such as response fast, stabilize itself quickly and less over-altitude.

本文使用了PID、单参数自整定Fuzzy-PID两种控制策略对系统模型进行控制,仿真结果表明:相对于普通汽车,装有电磁式助力转向系统的汽车在方向盘转角阶跃输入的情况下,汽车横摆角速度频率响应特性更好,因此具有更好的操纵稳定性;而相对于采用PID控制,采用单参数自整定Fuzzy-PID控制又可以使系统响应更迅速、超调量更小、稳定更快。

The pit shaft parameters of the elevation angle,the azimuth angle,the tool of facial angle and so on are obtained after the computation.

陀螺测斜技术以动力调谐速率,陀螺测量地球自转角速率分量和石英加速计测量地球加速度分量为基础,经计算得出井筒的倾斜角、方位角、工具面角等参数。

According to the functional requirements of adaptive front-lighting system, the relationships between the yaw angle and pitch angle of light axis in AFS and vehicle parameters, including speed, steering wheel angle and pitch angle of vehicle body are derived, thus a kinematics model for AFS is set up.

根据自适应前照灯系统的功能要求,推导了车辆参数(车速、转向盘转角和车身仰俯角)与车灯光轴沿水平和垂直两个方向的偏转角度之间的关系,建立了自适应前照灯系统的运动学模型。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。