IMU Data Denoising Method Based on Wavelet Decomposition
In the noise reduction process of IMU (Inertial Measurement Unit), wavelet denoising is an effective method. The basic principle of wavelet…
Full Article
Research on Hybrid Integrated Optical Chip of Fiber Optic Gyro
With the advantages of all-solid state, high performance and flexible design, fiber optic gyroscope has become the mainstream inertial gyroscope, which…
Full Article
A Closed-loop Test Method for Damping Coefficient of Q-Flex Accelerometer
Q-Flex accelerometer is a kind of inertial measurement device, which utilizes the quartz pendulum to measure the acceleration of the object by…
Full Article
Technical innovation of north finder in directional drilling
In military and civilian orientation, north finder is widely used. It can determine the north in static all-weather, all-round, fast and…
Full Article
Pipeline IMU Detection Principle and Data Processing
1.IMU measurement principle IMU (Inertial Measurement Unit) is a device that can measure the angular velocity and acceleration of an object…
Full Article
Research On Segmented Fusion Of MEMS Gyroscope Borehole North Finding System
The new MEMS gyroscope is a kind of inertial gyro with simple structure, which has the advantages of low cost, small…
Full Article
Research On Segmented North Seeking Orientation Based On MEMS Gyroscope
With the continuous improvement of MEMS gyroscope manufacturing technology, the accuracy of MEMS gyro is gradually improved. The north finding result…
Full Article
Error compensation of electronic compass in magnetic heading system
Electronic compass (also known as digital compass), is through the measurement of the Earth's magnetic field to complete the course calculation, often…
Full Article
Methods to Improve the Orienting Efficiency of Gyro Theodolite
The gyro theodolite is a measuring instrument used to determine the true north azimuth angle. It mainly consists of a gyroscope…
Full Article
Full-temperature Performance Optimization Method For MEMS accelerometer
Accelerometers are a typical type of inertial sensor, with wide and important applications in aviation, aerospace, navigation, weaponry, and civilian fields.…
Full Article