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This study presents a single-loop, third-order, low-power, high-precision, switched-capacitor delta sigma modulator (DSM) for a portable electrocardiogram (ECG) acquisition device. Several techniques, including modified feedforward structure, gain-enhanced current mirror operational transconductance amplifier (OTA), and dynamic comparator, are adopted to improve signal-to-noise ratio (SNR) and reduce...
Production scheduling problem has always been a research focus of peer scholars both at home and abroad and research on production scheduling models under supply chain is becoming a hot spot of further exploration. Therefore, on this hot issue, the paper establishes a collaborative production scheduling model based on multi-Agents and discusses techniques and methods for each part to achieve collaborative...
Based on an error correction method for digital audio class D power amplifiers, a digital audio class D power amplifier is designed at system level in this paper. The power amplifier includes a high-performance low-complexity 8× interpolation filter, a 5-bit 8th-order sigma-delta modulator, a digital double-edge PWM generator and a H-bridge power stage, and can correct the error caused by power supply...
By integrating the recursive and iterative thoughts commonly used in modeling fractals, an intelligent plant simulation technique is presented in the paper. With the technique, not only can the overall shapes and details of plants be controlled interactively by designing parametric fractals and parameterized growth process of fractals, but also the complexity in space and time of fractal-plants be...
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