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A piezoelectric MEMS vibration energy harvester with PMN-PT single material has been developed, which can convert low-level vibration energy into electrical energy. Compared with the conventional piezoelectric material, the PMN-PT single crystal has a higher coupling coefficient and electromechanical coefficient, which can improve the conversion efficiency of the power generating device. The designed...
To effectively preserve edges of synthetic aperture radar (SAR) images while cleanly despeckling, an improved bilateral filtering algorithm (IBF) is proposed. A threshold value is first calculated, which is used to distinguish whether the current pixel and its neighbouring pixels are homogeneous or not. Then, bilateral filtering (BF) is improved by reducing its two parameters to one, which emphasises...
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