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FPGA stepper motors
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Stepping Motor based on FPGA design of stepping motor controller based on FPGA in the analysis on the basis of the principle of stepping motor, Hierarchical design with VHDL program is given, and use the Quartus II simulation and simulation results are presented. It with the FPGA core devices, greatly reduce the use of peripheral components
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Design and realization of audio spectrum analyzer
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(1) audio signal signal entered, from sound card entered, and from WAV file entered, and from standard signal generator entered; (2) signal waveform analysis, including site value, and frequency, and cycle, and phase of estimated, and statistics volume peak, and are value, and are party value and variance of calculation; (3) signal spectrum analysis, frequency, and cycle of estimated, graphics displayed site value spectrum, and phase spectrum, and real spectrum, and virtual spectrum and power spectrum of curve.
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