- 21:22, 23 January 2021 diff hist -113 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 21:11, 23 January 2021 diff hist -13 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 21:11, 23 January 2021 diff hist -80 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:48, 23 January 2021 diff hist -66 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:48, 23 January 2021 diff hist -4 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 20:38, 23 January 2021 diff hist 0 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 20:36, 23 January 2021 diff hist -38 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:10, 23 January 2021 diff hist +16 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 19:46, 23 January 2021 diff hist -69 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 23:19, 20 January 2021 diff hist -33 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 23:18, 20 January 2021 diff hist -39 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 23:14, 20 January 2021 diff hist +26 Exercise 3.3: From the Signal to the Spectrum
- 22:45, 20 January 2021 diff hist -42 Exercise 3.3: From the Signal to the Spectrum
- 22:30, 20 January 2021 diff hist -50 Exercise 3.3: From the Signal to the Spectrum
- 22:18, 20 January 2021 diff hist +19 Exercise 3.3: From the Signal to the Spectrum
- 22:06, 20 January 2021 diff hist -8 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 22:06, 20 January 2021 diff hist -23 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 21:52, 20 January 2021 diff hist -23 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 21:33, 20 January 2021 diff hist -46 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 23:47, 17 January 2021 diff hist -128 Exercise 3.2: From the Spectrum to the Signal
- 23:18, 17 January 2021 diff hist -113 Exercise 3.1Z: Spectrum of the Triangular Pulse
- 22:55, 17 January 2021 diff hist -5 Exercise 3.1Z: Spectrum of the Triangular Pulse
- 22:55, 16 January 2021 diff hist +1 Exercise 3.1: Spectrum of the Exponential Pulse
- 22:55, 16 January 2021 diff hist -79 Exercise 3.1: Spectrum of the Exponential Pulse
- 22:45, 16 January 2021 diff hist -79 Exercise 3.1: Spectrum of the Exponential Pulse
- 22:36, 16 January 2021 diff hist 0 Exercise 2.6Z: Magnitude and Phase
- 22:36, 16 January 2021 diff hist -32 Exercise 2.6Z: Magnitude and Phase
- 22:32, 16 January 2021 diff hist +2 Exercise 2.6Z: Magnitude and Phase
- 22:31, 16 January 2021 diff hist -60 Exercise 2.6Z: Magnitude and Phase
- 22:30, 16 January 2021 diff hist +12 Exercise 2.6Z: Magnitude and Phase
- 22:30, 16 January 2021 diff hist -37 Exercise 2.6Z: Magnitude and Phase
- 22:18, 16 January 2021 diff hist -170 Exercise 2.6: Complex Fourier Series
- 21:57, 16 January 2021 diff hist -37 Exercise 2.6: Complex Fourier Series
- 21:47, 16 January 2021 diff hist -58 Exercise 2.6: Complex Fourier Series
- 21:42, 16 January 2021 diff hist +1 Exercise 2.5Z: Square Wave
- 21:41, 16 January 2021 diff hist -18 Exercise 2.5Z: Square Wave
- 21:31, 16 January 2021 diff hist -27 Exercise 2.5Z: Square Wave
- 21:17, 16 January 2021 diff hist -48 Exercise 2.5Z: Square Wave
- 21:12, 16 January 2021 diff hist -91 Exercise 2.5Z: Square Wave
- 20:51, 16 January 2021 diff hist -39 Exercise 2.5: Half-Wave Rectification
- 20:41, 16 January 2021 diff hist -29 Exercise 2.5: Half-Wave Rectification
- 20:38, 16 January 2021 diff hist -62 Exercise 2.5: Half-Wave Rectification
- 20:21, 16 January 2021 diff hist -29 Exercise 2.4Z: Triangular Function
- 20:15, 16 January 2021 diff hist -96 Exercise 2.4Z: Triangular Function
- 20:07, 16 January 2021 diff hist -68 Exercise 2.4Z: Triangular Function
- 00:21, 14 January 2021 diff hist +7 Exercise 2.4: Rectified Cosine
- 00:16, 14 January 2021 diff hist -11 Exercise 2.4: Rectified Cosine
- 23:55, 13 January 2021 diff hist -75 Exercise 2.4: Rectified Cosine
- 23:49, 13 January 2021 diff hist -77 Exercise 2.4: Rectified Cosine
- 23:38, 13 January 2021 diff hist +2 Exercise 2.4: Rectified Cosine
- 23:29, 13 January 2021 diff hist -60 Exercise 2.4: Rectified Cosine
- 23:23, 13 January 2021 diff hist -14 Exercise 2.3Z: Oscillation Parameters
- 23:00, 13 January 2021 diff hist -5 Exercise 2.3Z: Oscillation Parameters
- 22:59, 13 January 2021 diff hist -15 Exercise 2.3Z: Oscillation Parameters
- 22:36, 13 January 2021 diff hist -5 Exercise 2.3Z: Oscillation Parameters
- 22:30, 13 January 2021 diff hist -10 Exercise 2.3Z: Oscillation Parameters
- 05:00, 4 January 2021 diff hist -46 Exercise 2.3: Cosine and Sine Components
- 04:37, 4 January 2021 diff hist -40 Exercise 2.3: Cosine and Sine Components
- 04:31, 4 January 2021 diff hist -47 Exercise 2.3: Cosine and Sine Components
- 04:14, 4 January 2021 diff hist -35 Exercise 2.2Z: Non-Linearities
- 03:52, 4 January 2021 diff hist +3 Exercise 2.2: DC Component of Signals
- 03:40, 4 January 2021 diff hist -58 Exercise 2.2: DC Component of Signals
- 03:22, 4 January 2021 diff hist +5 Exercise 2.2: DC Component of Signals
- 03:10, 4 January 2021 diff hist -46 Exercise 2.2: DC Component of Signals
- 03:05, 4 January 2021 diff hist -16 Exercise 2.1Z: Sum Signal
- 01:55, 27 December 2020 diff hist +33 Exercise 2.1Z: Sum Signal
- 01:44, 27 December 2020 diff hist +11 Exercise 2.1Z: Sum Signal
- 01:36, 27 December 2020 diff hist -41 Exercise 2.1Z: Sum Signal
- 01:31, 27 December 2020 diff hist -34 Exercise 2.1: Rectification
- 01:07, 27 December 2020 diff hist -49 Exercise 2.1: Rectification
- 00:57, 27 December 2020 diff hist +1 Exercise 2.1: Rectification
- 00:50, 27 December 2020 diff hist -16 Exercise 1.3Z: Calculating with Complex Numbers II
- 00:43, 27 December 2020 diff hist -22 Exercise 1.3Z: Calculating with Complex Numbers II
- 00:19, 27 December 2020 diff hist -38 Exercise 1.3Z: Calculating with Complex Numbers II
- 00:08, 27 December 2020 diff hist +16 Exercise 1.3Z: Calculating with Complex Numbers II
- 16:17, 25 December 2020 diff hist -1 Exercise 1.3: Calculating with Complex Numbers
- 16:16, 25 December 2020 diff hist -6 Exercise 1.3: Calculating with Complex Numbers
- 15:54, 25 December 2020 diff hist -12 Exercise 1.3: Calculating with Complex Numbers
- 15:49, 25 December 2020 diff hist -6 Exercise 1.3: Calculating with Complex Numbers
- 15:39, 25 December 2020 diff hist -24 Exercise 1.3: Calculating with Complex Numbers
- 15:18, 25 December 2020 diff hist -3 Exercise 1.3: Calculating with Complex Numbers
- 15:09, 25 December 2020 diff hist -2 Exercise 1.2Z: Puls Code Modulation
- 15:05, 25 December 2020 diff hist +2 Exercise 1.2Z: Puls Code Modulation
- 15:00, 25 December 2020 diff hist -66 Exercise 1.2Z: Puls Code Modulation
- 14:55, 25 December 2020 diff hist -2 Exercise 1.2: Signal Classification
- 14:47, 25 December 2020 diff hist +23 Exercise 1.1Z: ISDN Connection
- 14:44, 25 December 2020 diff hist +12 Exercise 1.1: Music Signals
- 14:40, 25 December 2020 diff hist -9 Exercise 1.2Z: Puls Code Modulation
- 14:25, 25 December 2020 diff hist +1 Exercise 1.2Z: Puls Code Modulation
- 13:26, 22 December 2020 diff hist -1 Exercise 1.1Z: ISDN Connection
- 13:26, 22 December 2020 diff hist +4 Exercise 1.1: Music Signals
- 13:25, 22 December 2020 diff hist -1 Exercise 1.1: Music Signals
- 13:24, 22 December 2020 diff hist -1 Exercise 1.2: Signal Classification
- 13:17, 22 December 2020 diff hist +28 Exercise 1.2: Signal Classification
- 12:51, 22 December 2020 diff hist +7 Exercise 1.2: Signal Classification
- 12:19, 22 December 2020 diff hist +15 Exercise 1.1Z: ISDN Connection
- 12:01, 22 December 2020 diff hist +4 Exercise 1.1: Music Signals
- 11:59, 22 December 2020 diff hist -8 Exercise 1.1: Music Signals
- 11:29, 22 December 2020 diff hist -1 Exercise 1.1: Music Signals
- 11:09, 22 December 2020 diff hist -7 Exercise 1.2: Signal Classification