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The concept and technologies of fractional calculus have been increasingly applied to model and design circuits and electrical elements. In this work, by combining the principle of harmonic balance and equivalent small parameter method, we develop a new method of steady-state analysis for fractional-order DC-DC converters in discontinuous conduction mode (DCM). The effectiveness of the proposed scheme...
Active learning has obtained a great success in supervised remotely sensed hyperspectral image classification, since it can be used to select highly informative training samples. As an intrinsically biased sampling approach, it generally favors the selection of samples following discriminative distributions, i.e., those located in low density areas in feature space. However, the hyperspectral data...
Trajectory planning plays an important role in task operations of industrial robots. A novel online method for generating rhythmic Point-to-Point (PTP) trajectories is presented in this paper to meet the requirements of smoothness and online trajectory transition for repetitive PTP tasks of industrial manipulators. This method is inspired by the biological concept of Central Pattern Generator (CPG),...
This paper describes the design, simulation and measurement of a Schottky sub-harmonic mixer working around 370GHz. The device is based on an anti-parallel pair of planar Schottky diodes flip-chip mounted onto a single quartz-based microstrip circuit. The best DSB noise temperature of about 3500K is measured with LO at 184.5GHz. The performance of the mixer at room temperature and the liquid nitrogen...
This paper presents a reconfigurable up-converter with image rejection. It consists of an FET mixer, a VCO, a lowpass filter and a tunable bandpass filter. It can shift a given input IF signal to any desired RF frequency within a wide frequency range while maintaining high image rejection level. With the change of VCO output frequency, the image, LO and harmonic frequencies also shift and maybe overlap...
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