Along with the improvement of rlg and accelerometer and the coming forth of high speed digital processor , the key technique of sins is carried out 随着激光陀螺和加速度计性能的不断提高,以及高速数字处理器的不断涌现,捷联惯导系统实现的技术关键已经实现。
The work is based on some important practical engineering researches in which the author involved , including : 1 ) a railway track surveying experiment system on laser gyros . , 论文以作者参加的一些重大科研项目为背景，包括： 1 )激光陀螺列车轨道测量实验系统。
This paper mainly discusses how to design a high stability current control power supply for laser gyro of double anodes and common cathode in north - finder based on ring laser gyroscope 论文主要阐述了寻北仪中双阳极共阴极结构的激光陀螺高稳定度稳流电源的实现过程。
Along with the scientific advancement and technology updating , mechanical gyroes are being - developed towards more advanced laser - and optical fiber gyroes 摘要随著科学技术的不断进步，加工工艺的不断更新，陀螺也从机械式陀螺向激光陀螺，光纤陀螺等更先进的技术方向发展。
A series of tests have been carried out on the accomplished inertial system . in the position location tests , the cep of the system is less than 1 nm / h 在所研制的机抖激光陀螺捷联惯导试验系统上进行了一系列的测试,在所做的几次定位测试中系统一小时的圆概率误差优于1海里。
As a result , a de - noising algorithm with lift scheme that can work online has been presented . by using wavelet as a pre - filter , the convergence speed of kalman filter can be accelerated 将小波技术应用于机抖激光陀螺系统的初始对准过程,一定程度上提高了卡尔曼滤波器的收敛速度。
The characteristic of switching power supply and flyback converter are introduced , and the design of flyback transformer is presented , on this basis , the circuit which generates high - voltage is designed 介绍了开关电源和反激式变换器的特点,给出了反激式变压器的设计过程,在此基础上设计出了激光陀螺电源的高压产生电路。
The influence of data from the inertial measure unit ( imu ) to the precision of navigation computing is analyzed . the analysis is taken from two aspects , signal bandwidth curtailment and time delay 本文针对激光陀螺捷联惯导系统的数据采集电路,从信号带宽缩减和时间延迟两个方面分析惯性测量数据对导航解算精度的影响情况。
As an ideal part of inertia navigation , the mechanically dithered ring laser gyro ( mdrlg ) has a lot of characters , such as low cost , long life , good reliability , large dynamic range and so on 机械抖动激光陀螺作为惯性导航的一种理想器件,具有成本低、寿命长、可靠性高、动态范围大等优点,有极大的研究价值和广阔的应用前景。
When the mdrlg working , high frequency dithering is introduced , and the strapdown navigation system with mdrlg has some properties which are different from the systems with other types of gyros 机抖激光陀螺在工作时会引入高频抖动,对整个系统造成影响,因此使用机抖激光陀螺的捷联惯导系统具有一些不同于其它捷联惯导系统的特有性质。
