- 14:41, 26 March 2021 diff hist +1 Exercise 3.2: From the Spectrum to the Signal
- 14:36, 26 March 2021 diff hist +9 Exercise 3.2: From the Spectrum to the Signal
- 14:17, 26 March 2021 diff hist -26 Exercise 3.1Z: Spectrum of the Triangular Pulse
- 14:10, 26 March 2021 diff hist +3 Exercise 3.1: Spectrum of the Exponential Pulse
- 12:09, 26 March 2021 diff hist -122 Exercise 4.6Z: Locality Curve for Phase Modulation
- 11:24, 26 March 2021 diff hist +488 Applets to "Signal Representation"
- 11:11, 26 March 2021 diff hist +653 Learning Videos to "Signal Representation"
- 11:02, 26 March 2021 diff hist +6 Exercise 1.2Z: Puls Code Modulation
- 11:00, 26 March 2021 diff hist +2 Exercise 1.2Z: Puls Code Modulation
- 10:52, 26 March 2021 diff hist -1 Exercise 2.1Z: Sum Signal
- 10:51, 26 March 2021 diff hist -17 Exercise 2.1Z: Sum Signal
- 10:27, 26 March 2021 diff hist -2 Exercise 2.6Z: Magnitude and Phase
- 10:26, 26 March 2021 diff hist -4 Exercise 2.6: Complex Fourier Series
- 10:26, 26 March 2021 diff hist -1 Exercise 2.5Z: Square Wave
- 10:25, 26 March 2021 diff hist -8 Exercise 2.5: Half-Wave Rectification
- 10:25, 26 March 2021 diff hist -2 Exercise 2.4Z: Triangular Function
- 10:23, 26 March 2021 diff hist -20 Exercise 2.4: Rectified Cosine
- 10:23, 26 March 2021 diff hist -1 Exercise 2.3Z: Oscillation Parameters
- 10:22, 26 March 2021 diff hist -2 Exercise 2.3: Cosine and Sine Components
- 10:21, 26 March 2021 diff hist +7 Exercise 2.2: DC Component of Signals
- 10:18, 26 March 2021 diff hist -11 Exercise 2.2Z: Non-Linearities
- 10:16, 26 March 2021 diff hist +6 Exercise 2.1Z: Sum Signal
- 10:14, 26 March 2021 diff hist +1 Exercise 2.1Z: Sum Signal
- 10:13, 26 March 2021 diff hist +1 Exercise 2.1: Rectification
- 10:12, 26 March 2021 diff hist 0 Exercise 2.1: Rectification
- 10:11, 26 March 2021 diff hist -2 Exercise 1.3Z: Calculating with Complex Numbers II
- 10:11, 26 March 2021 diff hist -2 Exercise 1.3: Calculating with Complex Numbers
- 13:42, 25 March 2021 diff hist 0 Learning Videos to "Signal Representation"
- 13:42, 25 March 2021 diff hist 0 Learning Videos to "Signal Representation"
- 13:39, 25 March 2021 diff hist +5 Imprint for the book "Signal Representation"
- 13:38, 25 March 2021 diff hist -41 Imprint for the book "Signal Representation"
- 15:02, 23 March 2021 diff hist -238 Exercise 5.5Z: Complexity of the FFT
- 14:36, 23 March 2021 diff hist -305 Exercise 5.5: Fast Fourier Transform
- 20:42, 22 March 2021 diff hist -213 Exercise 5.4Z: On the Hanning Window
- 20:07, 22 March 2021 diff hist -339 Exercise 5.4: Comparison of Rectangular and Hanning Window
- 15:59, 22 March 2021 diff hist -90 Exercise 5.3Z: Zero-Padding
- 15:01, 22 March 2021 diff hist -110 Exercise 5.3Z: Zero-Padding
- 13:45, 22 March 2021 diff hist -35 Exercise 5.3: Mean Square Error
- 21:05, 21 March 2021 diff hist -22 Exercise 5.3: Mean Square Error
- 20:24, 21 March 2021 diff hist -35 Exercise 5.3: Mean Square Error
- 20:12, 21 March 2021 diff hist -58 Exercise 5.3: Mean Square Error
- 11:35, 21 March 2021 diff hist +2 Exercise 5.3: Mean Square Error
- 11:12, 21 March 2021 diff hist -22 Exercise 5.2Z: DFT of a Triangular Pulse
- 11:12, 21 March 2021 diff hist -111 Exercise 5.2Z: DFT of a Triangular Pulse
- 20:14, 20 March 2021 diff hist -25 Exercise 5.2Z: DFT of a Triangular Pulse
- 20:01, 20 March 2021 diff hist -102 Exercise 5.2: Inverse Discrete Fourier Transform
- 19:00, 20 March 2021 diff hist -71 Exercise 5.1Z: Sampling of Harmonic Oscillations
- 13:27, 1 March 2021 diff hist -88 Exercise 5.1Z: Sampling of Harmonic Oscillations
- 12:56, 1 March 2021 diff hist -12 Exercise 5.1: Sampling Theorem
- 22:45, 15 February 2021 diff hist -2 Exercise 3.8: Triple Convolution?
