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TiSiN nanocomposite Alms have been deposited on YT15 cemented carbide by a cathodic arc plasma plating system. Structure, mechanical and tribological properties were investigated by X-ray diffraction, Scanning electron microscope, tribometry, Profiler and Vickers indentation techniques, systemically. The results show that TiSiN films are the typical structure of TiN crystal inserted in amorphous Si...
We present an automatic approach to window and façade detection from LiDAR (Light Detection And Ranging) data collected from a moving vehicle along streets in urban environments. The proposed method combines bottom-up with top-down strategies to extract façade planes from noisy LiDAR point clouds. The window detection is achieved through a two-step approach: potential window point detection and window...
External stresses, such as those generated due to Electrical Fast Transient (EFT) events, generate over-voltages which may result in reliability failures at the IClevel either in the form of recoverable or permanent damage of the IC. In the present paper, the relationship between the technology characteristics within a design framework and the permanent failures that such an EFT event can produce...
To fast calculate the radar cross section (RCS) of an arbitrarily shaped three-dimensional (3D) perfect electric conductor (PEC) body over a frequency band, the method of moments (MOM) in conjunction with the general asymptotic waveform evaluation (GAWE) is applied in this paper. And the 3D body is modelled by the non-uniform rational B-spline (NURBS) surface through the compute aided geometric design...
IPC-610D defines the degree of barrel fill in PTH (Planting through hole) into three levels, 25%, 50% and 75%. However, in PCBA stage, when using X-ray to inspect PTH, it is often the case that after wave soldering, there will be solder void. If the size of the solder void accounts the majority size of the PTH, three levels of the IPC-610D is often regarded as the standards for approximate calculation...
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