Design of an On-chip Multi-channel Multi- functional Analog Signal Acquisition and Processing (On-Chip ASAP) System
نویسنده
چکیده
Data acquisition (DAQ) is an important component in many fields. It typically involves the sampling of multiple analog signals, and converting them into digital formats so that they can be processed. DAQ systems also involve microprocessors, microcontrollers, digital signal processing, and/or storage devices. Many multi-channel DAQs, which utilize some sort of processing for simultaneous input channels, are found in various applications. In this paper, a real-time multi-channel Analog Signal Acquisition and Processing (On-chip ASAP) system is proposed. The onchip digital signal processing unit performs digital signal processing to remove the bias from an acquired signal and to amplify it by a given factor and Fast Fourier Transformation (FFT) to determine the frequency of input channels. Keywords-Data Acquisition; FPGA; Sampling
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