查询词典 gyroscope

This course consists of three parts : A.The fundamental theory of gyroscopes. a.Kinematics and dynamics of gyroscopes, consisting of Coriolis acceleration, theorem of angular momentum, Euler's dynamical equations, dynamical explanation of gyroscopes' properties. b.Gyroscopes' motion equations, including the complete equations, technical equations and precession equations derived from Euler's dynamical equations, and the technical equations derived from static vs. dynamic method. c.Analysis of gyroscopes' motion. d.Coordinate systems and their mutual transformation. e.Gyroscope drift and its measurement. B.Principle of typical gyroscope instruments, such as gyro compass, gyro north finder, gyro horizon, platform compass, rate gyroscope and integrating gyroscope. C.Principles and applications of new-type gyroscpes, such as electrically suspended gyro, ring laser gyroscope, fiber optical gyroscope, hemispherical resonator gyro, dynamically tuned gyroscope and micro inertial sensors.

本课程教学内容由三部分组成：陀螺仪的基本理论，内容包括：陀螺力学基础（哥氏加速度、角动量定理和欧拉动力学方程、陀螺特性的力学解释）；陀螺仪运动方程和运动分析（用欧拉动力学方程建立完整方程、陀螺仪运动的技术方程和进动方程，用动静法建立技术方程）；坐标系及其变换；陀螺仪的漂移及其测试；典型陀螺仪器（包括陀螺罗经、陀螺找北仪、陀螺地平仪、平台罗经、速率陀螺仪和积分陀螺仪等）的工作原理；新型陀螺仪（包括静电陀螺仪、激光陀螺仪、光纤陀螺仪、半球谐振陀螺仪、挠性陀螺仪、微机械陀螺仪等）的原理及应用。

The gyroscope is the key device for stabilizing, scanning and tracking in the seeker. The work mechanism of the gyroscope in the seeker is illustrated detailedly through analyzing the PL-2 missile seeker"s structure. The gyroscope electric circuit, including the gyroscope"s driver circuit, the gyro shaft position detecting circuit and the gyroscope"s precessional circuit, was designed according to the gyroscope"s work mechanism.

陀螺是仿真导引头中稳定、搜索和跟踪的关键部件，论文从分析PL-2导弹红外点源导引头的结构和特点出发，对其中的稳定陀螺工作机理进行了详细的研究，并根据陀螺的工作机理，自行研制了一套陀螺电路，包括陀螺驱动电路、陀螺轴位置检测电路和陀螺进动电路，并得到了实验验证，效果良好。

The gyroscope is the key device for stabilizing, scanning and tracking in the seeker. The work mechanism of the gyroscope and especially the precession theory in the seeker is illustrated detailedly through analyzing the PL-2 missile seeker"s structure. The gyroscope electric circuit, including the gyroscope"s rotary circuit,the gyroscope"s precessional circuit and the gyro shaft position detecting circuit, was designed according to the gyroscope"s work mechanism.

陀螺是仿真导引头中稳定、搜索和跟踪的关键部件，论文从分析PL-2导弹红外点源导引头的结构和特点出发，对其中的稳定陀螺工作机理特别是陀螺进动理论进行了详细的研究，并根据陀螺的工作机理，自行研制了一套陀螺电路，包括陀螺旋转电路、陀螺进动电路和陀螺轴位置检测电路，并得到了实验验证，效果良好。

The key technology of this method is to quickly converge the sensitive axes of the mechanical gyroscope to the intersection line of the meridional plane and the horizontal plane based on the principle of gyroscope compass, to isolate payload from platform disturbance with the gyroscope and two degrees of freedom gimbals, to obtain the attitude angle of the platform by electro-optical sensor on the gimbals, and to make the sight slaved to the sensitive axes of the gyroscope to realize the indirect stabilization.

利用陀螺罗经原理，使机械陀螺的敏感轴快速收敛于子午面和水平面的交线上，并借助陀螺定轴性和2自由度环架，使陀螺隔离运动载体的扰动；通过环架上的光电传感器测出运动载体的姿态角，使观瞄镜的瞄准线随动于陀螺的敏感轴，实现间接稳定。

In order to give the gyroscope test terrace power supply, it demand designing the appropriation of the gyroscope of the different category triphase power supply to give the power supply to the different category gyroscope.

为了给陀螺测试平台供电，需要设计不同种类的陀螺的专用三相电源，以便给不同种类的陀螺供电。

Contrapose the phenomenon that the circler error probability is a little larger in the ground dynamic navigation test of the laser gyroscope strapdown inertial navigation system , a better vibration damping system needs to be designed for SINS with laser gyroscope .

针对激光陀螺捷联惯导系统在地面动态导航测试中圆概率误差偏大的现象，要求给激光陀螺捷联惯导系统设计出性能优良的减振系统。

We proposed a novel micromachined vibratory gyroscope with fence structure. The electrostatic analysis of the gyroscope with fence structure shows that the drives with fence structure can be used to drive and sense motion of the proof mass in the plane of the devices.

对陀螺静电驱动的分析表明，具有栅结构的微机械陀螺，可以运用切向静电力驱动敏感质量块振动，并利用电容面积变化引起电容改变来检测敏感质量块的运动。

Through the interferencing light intensity under a sine-wave modulation signal analysis, the output signal of fiber-optic gyroscope is demodulated. And then the change of the output signal of gyro is gotten. Through the analysis of the change we know that the effect of residuary intensity modulation on the performance of Interferometric Fiber Optic Gyroscope is related with the precision and accuracy requirements of IFOG. The higher precision, the more obvious effect.

本文首先通过正弦波调制下干涉信号光强分析解调出光纤陀螺的输出信号，进而得出残余强度调制存在的情况下陀螺输出信号的变化情况，同时，通过分析陀螺信号的变化说明残余强度调制对光纤陀螺性能的影响与陀螺精度要求有关，精度越高，其影响越明显。

If you have a spinning gyroscope and you try to rotate its spin axis, the gyroscope will instead try to rotate about an axis at right angles to your force axis; this is precession.

如果您有纺纱陀螺仪和您尝试旋转，其旋转轴，陀螺反而会尝试旋转约一轴成直角，以您的力量轴；这是岁差。

In practical experiment on a ceramic cylinder gyroscope, it shows that the resonant frequency is quite approximate to the simulated one. A good linear relation of the sense voltage to rotation speed is obtained, which indicates the piezoelectric ceramic cylinder gyroscope is good at the measurement for low and medium rotation speed.

在圆柱型陀螺仪之实验过程中，显示驱动与感测之共振频率几乎为一致；而在旋转实验中得到转速与感测电压拥有良好的线性关系，亦指出该陀螺仪在中低转速下拥有较佳之线性关系。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。