光纤陀螺
- 网络FoG;fiber optic gyro;fiber optical gyro
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光纤陀螺与GPS组合定姿技术在航天器上的应用研究
Application of Integrated FOG / GPS Attitude Control Technology in Spacecraft
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BP混沌混合神经网络在光纤陀螺温度漂移预测中的应用
Application of chaos-BP combined artificial neural network in predicting FOG temperature drift
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基于DSP的光纤陀螺数据处理系统的研究与实现
Study and Realization of FOG Data Process System Based on DSP
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基于BP神经网络的光纤陀螺零偏温度补偿
Bias Temperature Compensation for Fiber Optic Gyro Based on BP Neural Network
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基于FPGA的光纤陀螺的信号处理及时序控制
The Signal Processing and Time-Sequence Controlling Based on FPGA in FOG
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基于USB的光纤陀螺数据采集
Data acquisition system of FOG based on USB - chips
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一种新的开环光纤陀螺(FOG)检测方案及实现
A New Detecting Method for Open-loop Fiber Optic Gyroscope and Realization
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提出一种基于高速数字信号处理专用DSP芯片的数字化闭环光纤陀螺系统方案。
An all digital close - loop fiber optic gyroscope system based on DSP is presented .
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基于AR模型的光纤陀螺建模方法研究
Modelling Method of Fiber Optic Gyro Based on AR Model
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基于Kalman光纤陀螺的随机信号处理
Based on Kalman Filter Processing of FOG Signal
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提出了一种基于DSP芯片实现的双频率数字调制谐振式光纤陀螺系统的闭环检测方案。
A closed-loop digital detection system in resonant fiber gyro by two frequencies modulation based on DSP chip is proposed .
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本文以实际工程为背景,完成了基于DSP的光纤陀螺捷联惯导数字信号处理系统的软硬件设计。
Aimed at a practical engineering project , the paper completes the design and realization of FOG strapdown navigation system based on DSP .
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但目前国内光纤陀螺精度普遍较低而GPS又有信号易受干扰的先天缺陷。
But , the FOG precision developed in China is generally lower also the GPS has the congenital flaw which signal can be disturbed .
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基于Faraday效应的光纤陀螺频率响应测试方法
Frequency response testing of fiber optic gyroscope based on the magneto-optic Faraday effect
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Allan方差法在光纤陀螺随机噪声分析中的应用
Application of Allan variance methods in analyzing fiber optic gyro random noise
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基于ARIMA模型的光纤陀螺随机漂移滤波方法研究
Investigation on filter method of FOG drift data based on ARIMA model
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光纤陀螺零漂信号的Allan方差分析
Allan Variance Analysis of Fiber-optic Gyroscope Zero-drift Signal
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三轴一体化光纤陀螺的Allan方差分析
Allan variance analyze of the three-axis integrative FOG
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环境温度变化造成的复杂漂移(温度漂移)始终是制约光纤陀螺(FOG)性能提高的重要因素。
The large drift of fiber optical gyroscope ( FOG ) caused by variation of environmental temperature is the main factor affecting its performance .
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考虑光纤陀螺标度因数与温度的非线性关系,采用了BP神经网络进行温度补偿,取得了理想的效果。
Considering the non-linear relation between the scale factor and the temperature , the BP neural network is used and the result of this temperature compensation method is very good .
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光纤陀螺用SLD光源的光功率稳定性研究
Study on stability of output power of SLD used for FOG
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光纤陀螺信号处理中SLD驱动电路设计
Design of SLD Driving Circuit for Optical Fiber Gyro Signals Processing
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对于双频率数字调制的谐振式光纤陀螺,该文提出了两种基于数字信号处理芯片(DSP)实现的闭环检测方案,并利用Matlab软件对两种检测方案进行了全面的比较。
This paper proposes two methods of closed-loop detection based on DSP for resonator fiber optic gyroscopes using two frequencies modulation , and makes a comparision between two methods by Matlab .
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将捷联式罗经算法移植到DSP系统中加以实现,通过实验验证了整个系统算法的可行性,从而完成了捷联式光纤陀螺罗经系统的设计。
The algorithm of strapdown gyrocompass system is replanted into DSP for realization , and feasibility is validated by experiment , so the design of strapdown gyrocompass system based on FOG is finished .
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Sagnac效应光纤陀螺
Sagnac Effect Optical Fiber Gyro
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介绍了一种基于DSP和可编程逻辑器件的全数字光纤陀螺闭环检测方案&数字相位斜坡技术,讨论了采用该方案的电路设计具体问题。
A new type of all-digital closed-loop FOG detection scheme named digital phase ramp feedback based on DSP and programmed logic device was introduced . Then a detailed analysis of its design was given .
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光纤陀螺的输入输出特性(静态特性)本质上是一个随机过程,描述该随机过程统计相关性的数学表达式通常采用ARMA模型的结构形式来拟合;
The in-out characteristic ( static state ) of fiber optic gyro is essentially stochastic process , which is described by the ARMA model .
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采用最小二乘法实时补偿了温度对光纤陀螺零位的影响,通过BP神经网络补偿了温度对陀螺标度因数的影响。
Least error square algorithm is used to compensate the temperature influence on the zero offset of the FOG , and the temperature influence on the scale factor is compensated by the BP neural network arithmetic .
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使用BP神经网络建立光纤陀螺温度特性的黑箱模型,不对零漂和标度因子进行补偿,而直接对陀螺输出进行校正。
The black-box temperature model of FOG can be modeled by using BP network and directly correct the error of the output of FOG without compensating gyro drift and scale factor as the traditional method does .
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高精度光纤陀螺用1550nmPMF耦合器的研制
Development of 1 550 nm PMF Coupler for High-Precision FOG