Effective combination of MEMS technology and north seeker
The acquisition of azimuth geographic information is an important branch of inertial technology. However, inertial north-seeking technology is an orientation technology…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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