IEEE - Institute of Electrical and Electronics Engineers, Inc. - Improved Frequency Resolution DFT Eases Teaching FFT Analysis and Provides Better Amplitude Accuracy

Proceedings of the IEEE Instrumentation and Measurement Technology Conference

Author(s): J.P. Keradec ; X. Margueron
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 January 2005
Conference Location: Ottawa, Ont., Canada
Conference Date: 16 May 2005
Volume: 2
Page(s): 1,149 - 1,154
ISBN (Paper): 0-7803-8879-8
DOI: 10.1109/IMTC.2005.1604324
Regular:

For a signal extension T, DFT and FFT calculate the transform at frequencies 1/T apart. Due to this, amplitude of the transform can show more than 36% of discrepancy relatively to exact analytical... View More

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