- 11:27, 26 March 2021 diff hist -2 Exercise 2.6Z: Magnitude and Phase
- 11:26, 26 March 2021 diff hist -4 Exercise 2.6: Complex Fourier Series
- 11:26, 26 March 2021 diff hist -1 Exercise 2.5Z: Square Wave
- 11:25, 26 March 2021 diff hist -8 Exercise 2.5: Half-Wave Rectification
- 11:25, 26 March 2021 diff hist -2 Exercise 2.4Z: Triangular Function
- 11:23, 26 March 2021 diff hist -20 Exercise 2.4: Rectified Cosine
- 11:23, 26 March 2021 diff hist -1 Exercise 2.3Z: Oscillation Parameters
- 11:22, 26 March 2021 diff hist -2 Exercise 2.3: Cosine and Sine Components
- 11:21, 26 March 2021 diff hist +7 Exercise 2.2: DC Component of Signals
- 11:18, 26 March 2021 diff hist -11 Exercise 2.2Z: Non-Linearities
- 11:16, 26 March 2021 diff hist +6 Exercise 2.1Z: Sum Signal
- 11:14, 26 March 2021 diff hist +1 Exercise 2.1Z: Sum Signal
- 11:13, 26 March 2021 diff hist +1 Exercise 2.1: Rectification
- 11:12, 26 March 2021 diff hist 0 Exercise 2.1: Rectification
- 11:11, 26 March 2021 diff hist -2 Exercise 1.3Z: Calculating with Complex Numbers II
- 11:11, 26 March 2021 diff hist -2 Exercise 1.3: Calculating with Complex Numbers
- 14:42, 25 March 2021 diff hist 0 Learning Videos to "Signal Representation"
- 14:42, 25 March 2021 diff hist 0 Learning Videos to "Signal Representation"
- 14:39, 25 March 2021 diff hist +5 Imprint for the book "Signal Representation"
- 14:38, 25 March 2021 diff hist -41 Imprint for the book "Signal Representation"
- 16:02, 23 March 2021 diff hist -238 Exercise 5.5Z: Complexity of the FFT
- 15:36, 23 March 2021 diff hist -305 Exercise 5.5: Fast Fourier Transform
- 21:42, 22 March 2021 diff hist -213 Exercise 5.4Z: On the Hanning Window
- 21:07, 22 March 2021 diff hist -339 Exercise 5.4: Comparison of Rectangular and Hanning Window
- 16:59, 22 March 2021 diff hist -90 Exercise 5.3Z: Zero-Padding
- 16:01, 22 March 2021 diff hist -110 Exercise 5.3Z: Zero-Padding
- 14:45, 22 March 2021 diff hist -35 Exercise 5.3: Mean Square Error
- 22:05, 21 March 2021 diff hist -22 Exercise 5.3: Mean Square Error
- 21:24, 21 March 2021 diff hist -35 Exercise 5.3: Mean Square Error
- 21:12, 21 March 2021 diff hist -58 Exercise 5.3: Mean Square Error
- 12:35, 21 March 2021 diff hist +2 Exercise 5.3: Mean Square Error
- 12:12, 21 March 2021 diff hist -22 Exercise 5.2Z: DFT of a Triangular Pulse
- 12:12, 21 March 2021 diff hist -111 Exercise 5.2Z: DFT of a Triangular Pulse
- 21:14, 20 March 2021 diff hist -25 Exercise 5.2Z: DFT of a Triangular Pulse
- 21:01, 20 March 2021 diff hist -102 Exercise 5.2: Inverse Discrete Fourier Transform
- 20:00, 20 March 2021 diff hist -71 Exercise 5.1Z: Sampling of Harmonic Oscillations
- 14:27, 1 March 2021 diff hist -88 Exercise 5.1Z: Sampling of Harmonic Oscillations
- 13:56, 1 March 2021 diff hist -12 Exercise 5.1: Sampling Theorem
- 23:45, 15 February 2021 diff hist -2 Exercise 3.8: Triple Convolution?
- 23:45, 15 February 2021 diff hist -16 Exercise 3.8Z: Convolution of Two Rectangles
- 23:44, 15 February 2021 diff hist -8 Exercise 4.3: Pointer Diagram Representation
- 23:43, 15 February 2021 diff hist -8 Exercise 4.4: Pointer Diagram for DSB-AM
- 23:43, 15 February 2021 diff hist 0 Exercise 4.4Z: Pointer Diagram for SSB-AM
- 23:42, 15 February 2021 diff hist 0 Exercise 4.4Z: Pointer Diagram for SSB-AM
- 23:42, 15 February 2021 diff hist -8 Exercise 4.4Z: Pointer Diagram for SSB-AM
- 23:42, 15 February 2021 diff hist -3 Exercise 4.5: Locality Curve for DSB-AM
- 23:40, 15 February 2021 diff hist 0 Exercise 4.6: Locality Curve for SSB-AM
- 23:40, 15 February 2021 diff hist -313 Exercise 4.6: Locality Curve for SSB-AM
- 22:46, 15 February 2021 diff hist 0 Exercise 4.5: Locality Curve for DSB-AM
- 22:45, 15 February 2021 diff hist +8 Exercise 4.5Z: Simple Phase Modulator
- 22:44, 15 February 2021 diff hist -10 Exercise 4.6: Locality Curve for SSB-AM
- 22:33, 15 February 2021 diff hist -304 Exercise 4.3: Subcarrier Mapping
- 16:59, 10 February 2021 diff hist -110 Exercise 4.5Z: Simple Phase Modulator
- 16:49, 10 February 2021 diff hist +1 Exercise 4.5: Locality Curve for DSB-AM
- 16:49, 10 February 2021 diff hist 0 Exercise 4.5: Locality Curve for DSB-AM
- 16:48, 10 February 2021 diff hist -169 Exercise 4.5: Locality Curve for DSB-AM
- 16:19, 10 February 2021 diff hist 0 Exercise 4.4: Pointer Diagram for DSB-AM
- 16:12, 10 February 2021 diff hist 0 Exercise 4.4: Pointer Diagram for DSB-AM
- 15:58, 10 February 2021 diff hist -7 Exercise 4.4Z: Pointer Diagram for SSB-AM
- 15:58, 10 February 2021 diff hist -217 Exercise 4.4Z: Pointer Diagram for SSB-AM
- 15:05, 10 February 2021 diff hist -1 Exercise 4.4: Pointer Diagram for DSB-AM
- 22:56, 5 February 2021 diff hist -3 Exercise 4.4: Pointer Diagram for DSB-AM
- 22:55, 5 February 2021 diff hist -226 Exercise 4.4: Pointer Diagram for DSB-AM
- 22:11, 5 February 2021 diff hist -101 Exercise 4.3Z: Hilbert Transformator
- 22:14, 4 February 2021 diff hist -4 Exercise 4.3: Pointer Diagram Representation
- 22:13, 4 February 2021 diff hist -171 Exercise 4.3: Pointer Diagram Representation
- 21:52, 4 February 2021 diff hist -199 Exercise 4.2Z: Multiplication with a Sine Signal
- 21:27, 4 February 2021 diff hist -53 Exercise 4.2: Rectangular Spectra
- 20:46, 4 February 2021 diff hist -187 Exercise 4.2: Rectangular Spectra
- 20:01, 4 February 2021 diff hist -10 Exercise 4.1Z: High-Pass System
- 19:59, 4 February 2021 diff hist -150 Exercise 4.1Z: High-Pass System
- 17:55, 4 February 2021 diff hist -75 Exercise 4.1: Low-Pass and Band-Pass Signals
- 15:54, 1 February 2021 diff hist +1 Exercise 4.1: Low-Pass and Band-Pass Signals
- 15:53, 1 February 2021 diff hist -6 Exercise 4.1: Low-Pass and Band-Pass Signals
- 15:30, 1 February 2021 diff hist -82 Exercise 3.9Z: Convolution of Gaussian Pulses
- 15:08, 1 February 2021 diff hist +1 Exercise 3.9: Convolution of Rectangle and Gaussian Pulse
- 15:08, 1 February 2021 diff hist -12 Exercise 3.9: Convolution of Rectangle and Gaussian Pulse
- 15:07, 1 February 2021 diff hist +11 Exercise 3.9: Convolution of Rectangle and Gaussian Pulse
- 23:39, 28 January 2021 diff hist -30 Exercise 3.9: Convolution of Rectangle and Gaussian Pulse
- 23:28, 28 January 2021 diff hist -49 Exercise 3.9: Convolution of Rectangle and Gaussian Pulse
- 23:17, 28 January 2021 diff hist 0 Exercise 3.7Z: Rectangular Signal with Echo
- 23:15, 28 January 2021 diff hist +15 Exercise 3.7Z: Rectangular Signal with Echo
- 23:12, 28 January 2021 diff hist -29 Exercise 3.7Z: Rectangular Signal with Echo
- 23:01, 28 January 2021 diff hist -2 Exercise 3.8Z: Convolution of Two Rectangles
- 23:00, 28 January 2021 diff hist -1 Exercise 3.8Z: Convolution of Two Rectangles
- 22:59, 28 January 2021 diff hist -62 Exercise 3.8Z: Convolution of Two Rectangles
- 22:04, 28 January 2021 diff hist +17 Exercise 3.8: Triple Convolution?
- 22:01, 28 January 2021 diff hist -222 Exercise 3.8: Triple Convolution?
- 20:55, 28 January 2021 diff hist -16 Exercise 3.8Z: Convolution of Two Rectangles
- 21:25, 27 January 2021 diff hist -54 Exercise 3.7Z: Rectangular Signal with Echo
- 20:52, 27 January 2021 diff hist -122 Exercise 3.7: Synchronous Demodulator
- 20:09, 27 January 2021 diff hist -184 Exercise 3.6Z: Complex Exponential Function
- 19:36, 27 January 2021 diff hist -161 Exercise 3.6: Even and Odd Time Signals
- 19:04, 27 January 2021 diff hist 0 Exercise 3.5Z: Integration of Dirac Functions
- 19:02, 27 January 2021 diff hist -138 Exercise 3.5Z: Integration of Dirac Functions
- 18:30, 27 January 2021 diff hist -266 Exercise 3.5: Differentiation of a Triangular Pulse
- 21:32, 23 January 2021 diff hist -2 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 21:32, 23 January 2021 diff hist -7 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 21:31, 23 January 2021 diff hist -41 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 21:24, 23 January 2021 diff hist -26 Exercise 3.4Z: Trapezoid, Rectangle and Triangle