From 7006abf6dbac4d18172786140e81431a1b237c9a Mon Sep 17 00:00:00 2001 From: Philipp Le Date: Tue, 26 May 2020 23:54:50 +0200 Subject: Completed Chapter 4 --- chapter04/win_tri.svg | 1599 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1599 insertions(+) create mode 100644 chapter04/win_tri.svg (limited to 'chapter04/win_tri.svg') diff --git a/chapter04/win_tri.svg b/chapter04/win_tri.svg new file mode 100644 index 0000000..feae72d --- /dev/null +++ b/chapter04/win_tri.svg @@ -0,0 +1,1599 @@ + + + +Window function and its Fourier transform – Triangular +Produced by GNUPLOT 5.2 patchlevel 6 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 0 + + + + + + + + + + + + + 0.1 + + + + + + + + + + + + + 0.2 + + + + + + + + + + + + + 0.3 + + + + + + + + + + + + + 0.4 + + + + + + + + + + + + + 0.5 + + + + + + + + + + + + + 0.6 + + + + + + + + + + + + + 0.7 + + + + + + + + + + + + + 0.8 + + + + + + + + + + + + + 0.9 + + + + + + + + + + + + + 1 + + + + + + + + + + + + + 0 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + N + + + + + + + amplitude + + + + + samples + + + + + Triangular window + + + + + gnuplot_plot_1a + + + + + + + gnuplot_plot_2a + + + + + + + + + + + + + + + + + + + + + + + + + + + + + -130 + + + + + + + + + + + + + -120 + + + + + + + + + + + + + -110 + + + + + + + + + + + + + -100 + + + + + + + + + + + + + -90 + + + + + + + + + + + + + -80 + + + + + + + + + + + + + -70 + + + + + + + + + + + + + -60 + + + + + + + + + + + + + -50 + + + + + + + + + + + + + -40 + + + + + + + + + + + + + -30 + + + + + + + + + + + + + -20 + + + + + + + + + + + + + -10 + + + + + + + + + + + + + 0 + + + + + + + + + + + + + -40 + + + + + + + + + + + + + -20 + + + + + + + + + + + + + 0 + + + + + + + + + + + + + 20 + + + + + + + + + + + + + 40 + + + + + + + decibels + + + + + bins + + + + + Fourier transform + + + + + gnuplot_plot_1b + + + + + + gnuplot_plot_2b + + + + + + + + B = 1.333 + + + + + + + + + + + -- cgit v1.1