激光陀螺仪

激光陀螺仪失效机理非常复杂，其中对寿命影响最为重要的因素是阴极溅射和反射镜的污染及损伤。

The failure mechanisms of the RLG are very complex , but the cathode sputtering and the polluting of the reflector are the most important factors among them .

然后，从影响激光陀螺仪寿命的内因&失效机理出发，提出了一种新的激光陀螺寿命预测方法。

Then , a new lifetime predict method to the RLG is brought forward based on the study of the failure mechanisms , which are the internal causes of the failure .

LD侧泵固体激光陀螺仪方案

Novel Scheme of LD-pumped Solid-state Laser Gyro

提出了一种用于激光陀螺仪的LD泵浦Nd∶YVO4双向输出固体环形激光器。

A diode-pumped Nd ∶ YVO_4 bidirectional solid-state ring laser used for optical gyro is discussed .

表明Alan方差是建立激光陀螺仪随机误差模型的一种很实用的方法。

It is shown that Allan variance is a practical tool to build the random error model of ring laser gyros .

环形激光陀螺仪（RLG）的控制电路和信号处理方法直接影响着RLG的使用精度及净信号输出频率等性能。

The control electronics and the signal processing for ring laser gyro ( RLG ) influence its accuracy and other performances , such as the dynamic capability etc.

提出一种LD侧泵固体激光陀螺仪方案，由泵浦装置、三角形环形腔、增益介质、FP标准具、电光晶体、合光部分及读出电路组成。

A novel scheme design of LD-pumped solid-state laser gyro was proposed . It is composed of pump system , triangle ring cavity , laser media , F-P etalon , electro-optic crystal , beam combination optics and readout system .

在环形激光陀螺仪（RLG）随机误差模型分析方法中，有功率谱密度（PSD）分析，时序ARMA模型，及Alan方差分析。

It is necessary to build the random error model of gyros . Several methods can be used to analyse random error model of ring laser gyro ( RLG ), such as power spectrum density ( PSD ), ARMA , and Allan variance .

环形激光陀螺仪的机械抖动控制及信号读出的研究

Research on dither control and signal readout of ring laser gyros

激光陀螺仪失效机理分析与寿命预测方法研究

Failure Mechanism Analyzing and Lifetime Predict Method Studying on Laser Gyroscope

激光陀螺仪频率稳定度高精度测量系统的研制

Research and Design on High-precision Frequency-stability Measurement System of Ring Laser Gyroscope

环形激光陀螺仪随机误差模型的研究

Investigation on random error model of ring laser gyro

借环形激光陀螺仪的技术，加以改进使之适用于流体流量的测量。

Techniques borrowed from the ring laser gyro can be adapted to fluid flow measurement .

二自由度激光陀螺仪

Two-degree of freedom laser gyroscope

新环形半导体激光陀螺仪

New ring laser diode gyroscope

激光陀螺仪定位系统工作时对振动非常敏感，对系统结构的动态性能要求很高。

The laser gyro navigation system has strict requirement on structural dynamic performance while in working for its sensitivity to vibration .

以碘稳定激光器为频率标准，根据拍频检测的原理，建立了一套高精度的激光陀螺仪频率稳定度测量系统。

Based on the theory of beat frequency measurement , the high precision Ring Laser Gyroscope ( RLG ) frequency stability measurement system is constructed which adopts Iodine Stabilized He-Ne Laser as frequency standard .

为了消除抖动偏频激光陀螺仪的动态闭锁误差，需要向正弦抖动信号中注入具有平稳性的随机噪声，以使抖动幅度随机变化，从而可以通过时域平均来消除动态闭锁误差。

To eliminate dynamic lock-in error of mechanically dithered ring laser gyroscope , it is desirable to inject a pseudo smooth random noise into the sine wave dither signal , and the dither amplitude is stochastic , so it can eliminate dynamic lock-in error by time domain average .

对KM&11型的激光陀螺仪进行了性能参数的测试，用一种新的测试方法对表征激光陀螺性能的参数进行标定，给出了各个参数的值，为激光捷联惯导的工程应用提供参考。

The performance parameters of KM & 11 Ring Laser Gyro are tested and the characteristic performance param - eters of RLG are calibrated based on a new method . The parameter values are given to provide a reference for engineer - ing application of laser strapdown inertial navigation .

由于惯性仪表参数的标定是提高捷联系统精度的必要前提，本文除了对惯性组件的标定还对光学陀螺仪的标定进行了研究，探索用一种新的方法对激光陀螺仪的性能参数进行测试。

For the parameter calibration of inertial instruments is in great necessity to the improvement of navigation accuracy of SINS , we studied the calibration of optic gyro , besides the calibration of IMU , trying to make a use of new method to test the performance parameter of RLG .