Category:Images with Octave source code

Subcategories

This category has only the following subcategory.

Media in category "Images with Octave source code"

The following 115 files are in this category, out of 115 total.

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  8-point Hann windows.png 620 × 392; 41 KB
  
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  8-point Hann windows.svg 700 × 525; 296 KB
  
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  8-point windows.gif 574 × 390; 18 KB
  
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  Aliasing between a positive and a negative frequency.png 694 × 452; 44 KB
  
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  Amplitude & phase vs frequency for 3-term boxcar filter-ru.svg 723 × 684; 2 KB
  
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  Amplitude & phase vs frequency for 3-term boxcar filter.svg 435 × 400; 20 KB
  
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  Amplitude & phase vs frequency for a 3-term boxcar filter.gif 643 × 642; 17 KB
  
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  Analytic.svg 642 × 400; 31 KB
  
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  Butterworth amplitudes 6.svg 512 × 384; 14 KB
  
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  Circular convolution example.png 488 × 516; 12 KB
  
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  Circular convolution example.svg 462 × 486; 40 KB
  
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  Comparison of periodogram and Welch methods of spectral density estimation.png 544 × 662; 33 KB
  
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  Comparison of symmetric and periodic Gaussian windows.svg 652 × 743; 108 KB
  
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  Comparison of symmetric and periodic triangular window functions.svg 652 × 765; 94 KB
  
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  Curve fitting.svg 512 × 384; 23 KB
  
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  Delta di Kroenecher.pdf 1,154 × 872; 4 KB
  
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  DFT zero-padding technique example (100N) - DFT.pdf 1,162 × 870; 9 KB
  
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  DFT zero-padding technique example (2N) - DFT.pdf 1,162 × 870; 5 KB
  
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  DFT zero-padding technique example (2N) - Sequence.pdf 1,160 × 875; 5 KB
  
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  DFT zero-padding technique example (4N) - DFT.pdf 1,162 × 870; 6 KB
  
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  DFT zero-padding technique example (4N) - Sequence.pdf 1,160 × 875; 6 KB
  
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  DFT zero-padding technique example (N) - DFT.pdf 1,160 × 870; 5 KB
  
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  DFT zero-padding technique example (N) - Sequence.pdf 1,160 × 875; 5 KB
  
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  DFT-even Hann window & spectral leakage.png 560 × 842; 34 KB
  
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  Discrete Hilbert transforms of a cosine function, using piecewise convolution.svg 1,385 × 720; 388 KB
  
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  Discrete-time low-pass filter frequency response comparison.pdf 1,162 × 870; 17 KB
  
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  Discrete-time low-pass filter impulse response (r=0.2).pdf 1,164 × 877; 4 KB
  
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  Discrete-time low-pass filter impulse response (r=0.5).pdf 1,164 × 877; 4 KB
  
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  Discrete-time low-pass filter impulse response (r=0.8).pdf 1,164 × 877; 4 KB
  
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  Etalon-finesse-vs-reflectivity-2-2011-15-03.svg 768 × 576; 55 KB
  
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  Example of spectral "folding" caused by sampling a real-valued waveform.png 533 × 321; 14 KB
  
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  Exponential sequence.pdf 1,154 × 872; 5 KB
  
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  FFT size vs filter length for Overlap-add convolution.svg 700 × 525; 427 KB
  
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  Fourier transform – Rectangular.svg 282 × 270; 79 KB
  
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  Fourier transform, Fourier series, DTFT, DFT.gif 1,128 × 672; 59 KB
  
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  Fourier transform, Fourier series, DTFT, DFT.svg 1,057 × 630; 97 KB
  
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  Frequency response of 3-term boxcar filter.gif 640 × 643; 17 KB
  
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  Frequency response of 3-term boxcar filter.svg 416 × 400; 20 KB
  
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  Frequency spectrum of a sinusoid and its quantization noise floor.gif 864 × 438; 11 KB
  
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  Fresnel integrals.svg 600 × 480; 18 KB
  
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  Gate sequence (frequency).pdf 1,160 × 870; 9 KB
  
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  Gate sequence (time).pdf 1,162 × 875; 4 KB
  
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  Gate sequence discrete-time low-pass filter frequency output comparison.pdf 1,162 × 870; 17 KB
  
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  Gate sequence discrete-time low-pass filter output (r=0.2).pdf 1,164 × 870; 5 KB
  
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  Gate sequence discrete-time low-pass filter output (r=0.5).pdf 1,164 × 870; 5 KB
  
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  Gate sequence discrete-time low-pass filter output (r=0.8).pdf 1,164 × 870; 5 KB
  
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  Gnuplot HSV gradient.png 640 × 480; 43 KB
  
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  Golden Mean Quadratic Siegel Disc Speed.png 1,000 × 1,000; 279 KB
  
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  Graph of sin(exp(x)) function.png 1,200 × 900; 22 KB
  
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  Graph of sin(exp(x)) function.svg 512 × 384; 16 KB
  
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  Illustration of causal and non-causal filters.png 734 × 662; 78 KB
  
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  Illustration of causal and non-causal filters.svg 688 × 621; 65 KB
  
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  Image restoration (motion blur, Wiener filtering).png 1,464 × 488; 982 KB
  
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  In-phase and quadrature components of angle modulation.gif 912 × 431; 29 KB
  
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  Joukowsky transform.svg 512 × 384; 18 KB
  
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  Kaiser-Window-Spectra.jpg 622 × 451; 210 KB
  
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  Kaiser-Window-Spectra.svg 700 × 525; 111 KB
  
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  KaiserWindow.jpg 497 × 430; 142 KB
  
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  KaiserWindow.svg 700 × 525; 78 KB
  
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  Kbd-window.jpg 510 × 425; 126 KB
  
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  Kbd-window.svg 700 × 525; 82 KB
  
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  Lamb-Oseen vortex.png 1,200 × 900; 179 KB
  
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  Lemniscate Bernoulli parametric with focal points.svg 524 × 393; 13 KB
  
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  Logistic-burification.png 568 × 393; 60 KB
  
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  Magnetische-Feldstaerke.svg 512 × 512; 155 KB
  
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  Multirate upsampling (interpolation) filter.svg 900 × 630; 43 KB
  
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  Normalized frequency example.svg 845 × 675; 29 KB
  
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  Nyquist-pt1 2.png 512 × 384; 4 KB
  
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  Octave plot sin.svg 512 × 384; 7 KB
  
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  Octave plot step.svg 512 × 384; 74 KB
  
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  Octave plot trigonometric sum.svg 512 × 384; 7 KB
  
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  Octave plot trigonometric.svg 512 × 384; 11 KB
  
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  Odd-length, "DFT-even" Hann window & spectral leakage.png 560 × 844; 35 KB
  
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  Overlap-add algorithm.svg 855 × 619; 140 KB
  
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  Overlap-save algorithm.png 912 × 548; 110 KB
  
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  Overlap-save algorithm.svg 855 × 597; 125 KB
  
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  Pendulum phase portrait.svg 479 × 484; 352 KB
  
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  Polar.png 640 × 457; 56 KB
  
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  Processing gain comparison (Hann vs Blackman).gif 647 × 518; 16 KB
  
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  Processing losses for 3 window functions.gif 574 × 609; 21 KB
  
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  Processing losses for 3 window functions.svg 531 × 540; 63 KB
  
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  Pwm 2.gif 640 × 480; 590 KB
  
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  Pwm.gif 640 × 480; 268 KB
  
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  Quadratic interpolation.svg 752 × 564; 105 KB
  
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  Radar echo signal sequence.pdf 1,166 × 868; 69 KB
  
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  Radar signal cross-correlation.pdf 1,166 × 868; 106 KB
  
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  Radar signal sequence.pdf 1,166 × 868; 45 KB
  
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  Ramp sequence.pdf 1,152 × 868; 5 KB
  
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  Root Locus diagram with three poles and one zero.svg 1,087 × 746; 21 KB
  
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  Rosenbrock function.svg 720 × 540; 2.28 MB
  
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  Sampled signal DFT frequency aliasing.pdf 1,162 × 858; 28 KB
  
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  Sampled signal DFT time aliasing.pdf 1,162 × 858; 14 KB
  
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  Sampling the Discrete-time Fourier transform.svg 754 × 562; 46 KB
  
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  SARS-CoV-2 infections in and around Poland en.svg 512 × 384; 39 KB
  
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  Scalar fields r.svg 600 × 480; 128 KB
  
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  Scalar fields theta quadrant.svg 600 × 480; 128 KB
  
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  Scalar fields theta.svg 600 × 480; 129 KB
  
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  Scalar fields x.svg 600 × 480; 4 KB
  
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  Scalar fields y.svg 600 × 480; 129 KB
  
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  Sinc sequence.pdf 1,154 × 870; 5 KB
  
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  Slope field from Eugster.svg 576 × 432; 98 KB
  
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  Spectral leakage caused by "windowing".svg 1,080 × 664; 170 KB
  
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  Spectral leakage from two 8-point Gaussian windows.png 696 × 397; 82 KB
  
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  Spectral leakage from two 8-point Hamming windows.png 733 × 422; 49 KB
  
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  Spectral leakage from two 8-point Poisson windows.png 742 × 424; 49 KB
  
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  Stehende Welle.gif 640 × 480; 910 KB
  
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  Taylor-Green vortex vector plot.png 1,200 × 900; 48 KB
  
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  Triangle sequence.pdf 1,154 × 870; 5 KB
  
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  Two 8-point Gaussian window functions.svg 652 × 372; 36 KB
  
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  Unit step sequence.pdf 1,154 × 868; 4 KB
  
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  Variations of the Fourier transform.tif 1,536 × 1,344; 401 KB
  
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  Window function (rectangular).png 2,500 × 1,123; 83 KB
  
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  Window function and frequency response - Rectangular.svg 512 × 256; 157 KB
  
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  Wrc.svg 600 × 450; 11 KB
  
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  Zhukovsky transform.svg 459 × 176; 17 KB