Equipment health monitoring is essential for preventing failures that may cause human injuries or equipment damage. It can also enhance productivity, product quality and the lifetime of machinery. However, existing diagnostic tools cannot detect randomly occurring faults, and are too complex and exp.....
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The invention relates to circularly polarized (CP) antennas with grating dielectric elements acting as a polarizer to convert a linearly polarized omnidirectional radiation pattern from a monopole antenna to an omnidirectional CP radiation pattern. A prototype with parallelepipeds, having a very wid.....
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The invention relates to fast processing techniques designed for enhancing the pictorial contents of digital holograms, without the need to reconstruct the original 3D scene. The hologram is back-projected to a hypothetical 2D image known as virtual diffraction plane (VDP). The VDP is then processed.....
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Large-scale lighting systems such as road lighting systems have sizeable power loads. By using this technology, the instantaneous power of large-scale lighting systems can be changed dynamically within a very short timeframe. This invention provides a means for modern power system control, useful fo.....
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An innovative solar energy collection apparatus designed for mobile communication devices is proposed in this patent. The apparatus comprises a dual function antenna that simultaneously collect solar energy and facilitate wireless communication. The antennas comprise reflective ground planes and a r.....
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