激光陀螺
- 【物】laser gyroscope
-
激光陀螺温度误差的多因素BP网络模型
Multi-factors Modeling on Temperature Error of Laser Gyro Using BP Network
-
基于FPGA的四频激光陀螺高分辨率计数电路
High resolution countering circuit for differential laser gyros based on FPGA
-
模糊PID控制算法及其在激光陀螺稳频控制中的应用
Application of the Fuzzy-PID Algorithm in Frequency Stabilization System of Ring Laser Gyro
-
基于FPGA的抖动偏频激光陀螺高精度信号解调
High-accuracy Signal Demodulation for Dithered Laser Gyros Based on FPGA
-
速率偏频激光陀螺偏频速率模糊PID自适应控制的设计与实现
Design and accomplishment of fuzzy PID adaptive rate control for rate bias laser gyro
-
激光陀螺漂移数据的自适应Kalman滤波
Application of adaptive Kalman filter in process of laser gyro drift data
-
LD抽运的全固体激光陀螺实验研究
Experimental Study on LD Pumped Solid State Laser Gyro
-
通过温度实验研究了机抖激光陀螺的温度特性,采用RBF网络进行温漂辨识。
Based on temperature experiment , the temperature characteristic of mechanically dithered RLG has been studied .
-
一种基于Allan方差方法的激光陀螺性能评价方法
Laser Gyro Performance Estimate Method Based on Allan Variance
-
由于环形激光陀螺的特殊性,SINS会在一定条件下产生弹簧现象。
Because of the special performance of the RLG , the SINS can form the spring phenomenon in certain situation .
-
基于ANFIS的激光陀螺消噪处理研究
Investigation of de-noising in laser gyro based on ANFIS
-
捷联惯性导航系统一般会如激光陀螺、光纤陀螺和MEMS等体积小的惯性器件。
In general , strapdown inertial navigation system use small size inertial devices such as laser gyro , fiber optic gyro and inertial MEMS devices .
-
Sagnac效应与激光陀螺
Sagnac Effect and Laser Gyroscope
-
详细讨论了环形激光陀螺(RLG)误差测试中的计数误差。
The countering error in the test of ring laser gyro ( RLG ) is discussed in detail .
-
基于现场可编程芯片(FPGA)实现了激光陀螺自适应抖动剥除的软硬件设计。为了便于进行对比试验和动态响应试验,进一步设计了双处理器自适应抖动剥除系统。
The hardware and software of the adaptive dither-stripper is designed based on FPGA , and a system with double processor is designed to carry out the contrast experiments and dynamic response exams . 3 .
-
介绍了国外常用于评估环形激光陀螺和其它精密测量仪器性能的Allan方差法。
The method of Allan variance is often used to characterize the performance of ring laser gyro and other precision testing instruments abroad are introduced .
-
为了对二频机抖激光陀螺的零偏进行补偿,研究了PZT电压与温度之间的关系。
For the sake of compensating the bias of mechanically dithered RLG ( ring laser gyro ), the relation between PZT ( Piezoelectricity ) voltage and temperature has been studied .
-
本文理论分析了异面腔激光陀螺中由S一P相位和Q的各向异性所引起的左、右旋椭圆偏振模式的非对称性。
This paper presents a theoretical study of the mode difference be - tween the left and right elliptically polarized light in out - of - plane cavity laser gyro which caused by S - P phase and Q anisotropy of the ring cavity .
-
通过实验找出了最佳射频频率。这对于TRP激光陀螺高频板的设计具有重要的参考价值。
It also obtains the best RF through experiment which has important reference value to the design of high frequency oscillate ( HFO ) .
-
在分析环形激光陀螺光强控制系统原理的基础上,针对自行研制的激光陀螺(RLG)计算机稳频控制系统,研究了FUZZYPID与常规PID控制算法。
Based on the analysis of the principle of Ring Laser Gyro ( RLG ) light intensity control system , the algorithms of Fuzzy PID and normal PID for self developing computer controlled frequency stabilization system of RLG are studied .
-
随着LD技术的不断发展,LD抽运的全固体激光陀螺将以其高精度、低成本、小型化的特点而有望成为21世纪光学陀螺发展的主流。
With the development of laser diode ( LD ) technology , LD pumped solid state laser gyroscope ( LDPSSLG ) will be promised to become a main kind of optical gyroscope in the 21 century .
-
在DSP芯片内设计实现了整系数低通数字滤波器,对二频机抖激光陀螺的输出信号进行了采样和数字滤波,去除了其中的抖动偏频信号及高频噪声。
A FIR ( finite impulse response ) low pass digital filter is designed based on DSP . It accomplishes the functions of sampling the signal of Mechanically Dithered Ring Laser Gyroscopes ( MDRLG ) and eliminating the dither and the high frequency noise .
-
激光陀螺(RLG)是基于Sagnac效应的角速度传感器,在惯性导航等领域有重要的应用。
Ring laser gyro ( RLG ) which is based on the Sagnac effect is used in many fields such as inertial navigation as a rotation sensor .
-
采用硬件描述语言VHDL设计了专用于方向余弦阵计算的集成电路,可用于对激光陀螺或挠性陀螺输出的脉冲信号或脉宽调制信号进行方向余弦阵计算。输入脉冲频率最高可达1MHz;
An ASIC for calculation of direction-cosine matrix which is changed with the signals , pulses or PWM form RLG or flexible gyro is designed by means of VHDL .
-
本文针对车载环境下单位置激光陀螺寻北仪的输出信号进行了分析处理,设计了FIR低通数字滤波器抑制高频扰动,设计了一种利用加速度计进行陀螺误差补偿的低频扰动的抑制算法。
This paper analysis the output data of laser gyro north - finder which is installed in vehicle , we design FIR low - pass digital filter to restrain high frequency disturb , and design algorithm to compensate gyro low frequency disturb using accelerometer .
-
该系统由全球导航卫星系统(GNSS)和环形激光陀螺式捷联惯导系统(SINS)组成,在技术上与我国的导航系统有很大不同。
The system that we researched is composed of Global Navigation Satellite System ( GNSS ) and Strapdown Inertial Navigation System ( SINS ) with Ring Laser Gyros ( RLG ), which is very different from ours in technology .
-
通过对几种反射率测量方法的比较,针对激光陀螺对高反镜测量精度的要求,本文采用CRDS法来测量反射率。
By contrast with several methods of measuring reflectivity , the CRDS is proved to be the most ideal method for measuring ultrahigh reflectivity .
-
激光陀螺增益管为玻璃封包的激光器件,内充比例一定的低压强He3和Ne混合气体。
A gain tube of laser gyro is a laser device with glass package in which the mixed gasses of Hes and Ne in certain ratio is filled at low pressure .
-
设计了基于激光陀螺漂移数据时间序列模型的卡尔曼滤波器,对激光陀螺漂移数据进行了滤波,并采用Allan方差法分析了滤波结果;
The kalman filter is designed based on the time sequence model of drift data of laser gyro and used to filter the drift data of laser gyro . The method of Allan variance is used to analyze the results of filtering .
-
激光陀螺(RLG)中随机噪声是影响其精度的一个重要因素,针对其噪声的特殊性质,采用小波方法去除随机噪声,提高激光陀螺的精度。
Stochastic noise in ring laser gyroscope is an important factor affecting its accuracy . In accordance with the property of its noise , the accuracy of ring laser gyroscope is improved by eliminating the stochastic noise by means of wavelet method .