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Experimental studies on partial discharges (PD) occurred in oil-insulated devices using ultra-high frequency (UHF) sensors to detect PD signals and using wavelet analysis to process the acquired UHF signals are presented, and a threshold selecting method adapting to various noise circumstances when de-noising UHF signals using wavelet transform is proposed in this paper. The threshold method was based...
Silicon Interposer with Through Silicon Via (TSV) is a newly developed technology that enables multichip integration and offers great potential to improve system performance with less delay, higher wiring density, and lower power consumption. One challenge of this new technology is to maintain the PDN electrical performance. Micro bumps, TSV, interposer front and back side Re-Distribution Layer (RDL)...
In this paper, the iterative learning control (ILC) problem is considered for a class of remote control system through wireless network communication channels. A novel Kalman filtering used in remote ILC system with wireless channel noise is presented. The theory that ILC eliminates repeating disturbances is analyzed in detail. A new idea of connecting every iteration trail owning fixed interval time...
In this paper, Electrocardiographic (ECG) signal preprocessing is studied. The ECG signals from body surface are often contaminated by various kinds of noises such as power-line interference, baseline wander, electromyographic (EMG) noise, electrode motion artifacts and so on. These noises bring obstacle to the diagnosis of cardiovascular diseases. In order to eliminate the above noises in ECG signal,...
In recent years, wavelet-based scalable video coding has made a considerable progress, but there are still several problems in the development of WSVC. Such as quantization error accumulation resulted from the open-loop structure of MCTF in coding and the poor error resilient performance of the bit stream. The major goal of this paper is to propose a new framework of scalable video coding based on...
This paper describes the simultaneous switching noise (SSN) behavior of pre-driver power distribution networks (PDNs) excited by different kinds of simultaneous switching output (SSO) signal patterns. The physics behind the PDN resonance is explored and the quantitative relationship between pre-driver PDN resonant frequency and signal toggling frequency is established to find the SSO signal pattern...
As the semiconductor nanotechnology process progresses, advanced devices achieve high performance by reducing parasitic effects, including logic variations caused by noise at SSN input and outputs (I/O), and output bufferpsilas timing variations caused by switching I/O banks (SSN-TV). This paper presents these timing variations by studying the LVDS output jitter of a 65-nm wire-bond FPGA device in...
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