Change Details

Links: * http://www.gaussianwaves.com/2015/11/interpreting-fft-results-complex-dft-frequency-bins-and-fftshift/ xscale period: * xmgr manual * http://www.cbcity.de/die-fft-mit-python-einfach-erklaert

Links: * http://www.gaussianwaves.com/2015/11/interpreting-fft-results-complex-dft-frequency-bins-and-fftshift/ * http://www.cbcity.de/die-fft-mit-python-einfach-erklaert xscale period: xmgr manual, Link #2

Links: * http://www.gaussianwaves.com/2015/11/interpreting-fft-results-complex-dft-frequency-bins-and-fftshift/ xscale period: * xmgr manual * http://www.cbcity.de/die-fft-mit-python-einfach-erklaert xscale period: xmgr manual, Link #2