Enhance Spectrum Analyzer #365
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andynoack
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Nov 26, 2017
jopohl
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Dec 4, 2017
* add cython method for abs2 * add arr2decibel method * add timings * add fft benchmark * add live spectrogram test * add test for spectrum analyzer * tune thread count * add spectrogram to spectrum dialog * integrate waterfall * fix unittest * improve grid scene * draw frequency marker in spectrum analyzer * clear spectrogram on clear button + remove marker on leave * eliminate spectrogram graphic view on close * ensure spectrogram fits in view * guard resize * add test for clear button in spectrum dialog
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This PR greatly improves the performance of the spectrum analyzer and additionally adds a waterfall plot to it.