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Fast Fourier transform (FFT) is an essential component in many digital signal processing and communications systems. The performance of the FFT component is a key factor in evaluating the overall system performance, and it is common to use it as a benchmark for the whole system. Many attempts have been made to enhance the FFT performance, both on algorithm and implementation levels. Software and hardware...
In this paper, we design and implement a 32-bit IEEE 754 single precision floating-point FFT processor. Usually, limited by long pipeline latency of floating-point operations and multi-port RAM access the throughput of FFT processors can only reach approximately one result per cycle. Through making some improvements on the design of butterfly unit and reorganization of the RAM access, almost a throughput...
This paper presents a course on digital signal processing with field-programmable gate arrays (FPGA) devices. The course integrates two separate disciplines, digital signal processing (DSP) and very large scale integration (VLSI) design, and focuses on the development of a sophisticated DSP design from simulation to fixed-point implementation. The structure and methodology used in the proposed course...
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