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For the surface with grooves measurement, robust filtering is developing direction of traditional filtering, which is to try to minimize the distortion of mean line caused by the abnormal signal. This paper presents a new method for processing, which combines closely error theory with Gaussian filtering method. The abnormal signal is firstly judged« identified and corrected by 5σ criterion. Then Gaussian...
This paper reports fabrication and preliminary test results of oxide-coated polysilicon disk resonator gyroscopes (DRG) in a wafer-scale encapsulation. With this thin oxide coating, surface roughness of a fully encapsulated device was reduced by 10x, increasing the uniformity across the wafer. We also demonstrate the effects of oxide coating on key performance parameters of resonant-based sensors...
The usefulness of microwave remote sensing to retrieve near-surface soil moisture has already been demonstrated in many studies. However, obtaining high quality estimates of soil moisture is influenced by many effects from soil, vegetation and atmosphere; one of the key parameters is surface roughness. This research focusses on a semi-empirical method to evaluate the roughness effects from space borne...
Biomimetic building-climbing robots have been applied extensively; however, no suitable sticking mechanism was found for robots climbed on high-altitude, rough concrete walls that are subjected to large vibrations. This manuscript presents a new sticking method based on the mechanism of biomimetic grip claws and presents the design of a robot for detecting rough concrete buildings. To study the forces...
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