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Near-field microwave imaging and subsurface sensing have shown significant potential in a wide range of applications, including corrosion mapping and composite structure inspection. Most of the conventional near-field imaging systems developed so far utilize an antenna (probe) scanned over the structure-under-test (SUT). The near-field interaction between the microwave signal and the SUT reveals the...
Near-field microwave imaging has shown great potential for wide range of subsurface sensing and imaging applications including corrosion mapping and composite structure inspection. Most of the systems developed so far use an antenna (probe) scanned over the structure-under-test (SUT). The near-field interaction between the microwave signal and the SUT reveals the sought-after information about the...
Precise dielectric powder delivery is the key objective in feeding systems, such as the ones used in thermal spraying, additive manufacturing, conveying systems, and alike. In particular, the accuracy of the feeding system is determined by the accuracy of the material sensing element. Conventionally, loss-in-weight methods applied to main material storage have been used to measure the amount of material...
This paper presents the design of a generic inertial measurement unit (IMU) module for motion capture system. The module consists of 32-bit microcontroller with gyroscope, accelerometer, and magnetometer to provide orientation estimation of human limbs. An orientation estimation algorithm that compensates magnetic distortion is implemented. Our main contribution is on the sensor network which is low...
Nowadays, due to its broad applications, demands on motion capture technology is increasing. Inertial Measurement Unit (IMU) is one of technology that is capable of estimating orientation of a rigid body. IMU technology uses information from three sensors, i.e. gyroscope, accelerometer and magnetometer to calculate the orientation. By using multiple IMU devices, human arm motion can be tracked. This...
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