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The electrohysterogram (EHG) is often corrupted by electronic and electromagnetic noise as well as movement artifacts, skeletal electromyogram, and ECGs from both mother and fetus. The interfering signals are sporadic and/or have spectra overlapping the spectra of the signals of interest rendering classical filtering ineffective. In the absence of efficient methods for denoising the monopolar EHG...
A capacitively coupled contactless conductivity detection (C4D) method of capillary electrophoresis microchip based on orthogonal vector lock-in amplifier on FPGA is presented. The digital orthogonal vector lock-in amplifier is configured by assembling LPM MULT, ALTMULT ADD, Low-pass Filter and other IP core. The orthogonal driving signals are generated by custom DDS IP core based on DSP Builder software,...
This paper describes the physiological coding mechanism of Chinese lexical tones with the single-trial mismatch negativity (MMN) study using independent component analysis (ICA). The enhanced ICA algorithm combined with subspace filtering performs MMN preprocessing, the evoked components are extracted again to improve the performance of removing artifact. Experiment results show that MMN responses...
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