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This letter provides a simple method for optimal polarization filtering, which can be viewed as an optimization problem with a nonlinear constraint. The optimization is then turned into an unconstraint one through variable substitution. Based on the extremum necessary condition, the optimization is further changed into a problem of solving a unitary quadratic equation. It is found that the maximal...
In industry, the four-bar mechanism is popularly applied in the trajectory generation. Different types of trajectories are generated by the chosen of the ratio of links. However, the five-bar mechanism is more flexible to generate a specific path due to it has two degrees of freedom. The geared five-bar mechanism is then commonly used by reducing the degree of freedom of the mechanism into one by...
Conventional spatial-based array processing technique requires a lot of large storage space and costly hardware implementations in an antenna array-based global navigation satellite system (GNSS) receivers. In this paper, the compressive sensing (CS)-based antenna array processing scheme is proposed to apply in anti-jamming GNSS receivers. The design criteria of CS matrix is to meet the restricted...
Face photo-sketch and sketch-photo synthesis have important usages in law enforcement. It is challenging to synthesize face sketches from photos because the drawing techniques and styles of artists' depictions are hard to be learned. To synthesize face photos from sketches is also hard due to its ill-posed nature. In order to avoid mosaic effects in the existed photo-sketch methods, we propose a smoothness-constrained...
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