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Fix missing images for html proofer

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Peter 2024-10-29 16:38:03 +08:00
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_posts/2024-10-29-Idiots-guide-to-ELEC4402-Communications-Systems.md
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@ -105,7 +105,7 @@ Calculate $C_n$ coefficient as follows from $x_p(t)$:
### $\text{rect}$ function ### $\text{rect}$ function
![rect](assets/img/2024-10-29-Idiots-guide-to-ELEC/rect.drawio.svg) ![rect](/assets/img/2024-10-29-Idiots-guide-to-ELEC/rect.drawio.svg)
### Bessel function ### Bessel function
@ -429,12 +429,14 @@ Calculate $C_n$ coefficient as follows from $x_p(t)$:
Do not transmit more than $2B$ samples per second over a channel of $B$ bandwidth. Do not transmit more than $2B$ samples per second over a channel of $B$ bandwidth.
![By Bob K - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=94674142](assets/img/2024-10-29-Idiots-guide-to-ELEC/Nyquist_frequency_&_rate.svg) ![By Bob K - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=94674142](/assets/img/2024-10-29-Idiots-guide-to-ELEC/Nyquist_frequency_&_rate.svg)
### Insert here figure 8.3 from M F Mesiya - Contemporary Communication Systems (Add image to `assets/img/2024-10-29-Idiots-guide-to-ELEC/sampling.png`) ### Insert here figure 8.3 from M F Mesiya - Contemporary Communication Systems (Add image to `assets/img/2024-10-29-Idiots-guide-to-ELEC/sampling.png`)
![sampling](copyrighted_assets/img/2024-10-29-Idiots-guide-to-ELEC/sampling.png) Cannot add directly due to copyright!
![sampling](assets/img/2024-10-29-Idiots-guide-to-ELEC/sampling.png)
<!-- ![sampling](copyrighted_assets/img/2024-10-29-Idiots-guide-to-ELEC/sampling.png) -->
<!-- ![sampling](/assets/img/2024-10-29-Idiots-guide-to-ELEC/sampling.png) -->
## Quantizer ## Quantizer
@ -458,12 +460,13 @@ Do not transmit more than $2B$ samples per second over a channel of $B$ bandwidt
### Insert here figure 8.17 from M F Mesiya - Contemporary Communication Systems (Add image to `assets/img/2024-10-29-Idiots-guide-to-ELEC/quantizer.png`) ### Insert here figure 8.17 from M F Mesiya - Contemporary Communication Systems (Add image to `assets/img/2024-10-29-Idiots-guide-to-ELEC/quantizer.png`)
![quantizer](copyrighted_assets/img/2024-10-29-Idiots-guide-to-ELEC/quantizer.png) Cannot add directly due to copyright!
![quantizer](assets/img/2024-10-29-Idiots-guide-to-ELEC/quantizer.png) <!-- ![quantizer](copyrighted_assets/img/2024-10-29-Idiots-guide-to-ELEC/quantizer.png) -->
<!-- ![quantizer](/assets/img/2024-10-29-Idiots-guide-to-ELEC/quantizer.png) -->
## Line codes ## Line codes
![binary_codes](assets/img/2024-10-29-Idiots-guide-to-ELEC/Line_Codes.drawio.svg) ![binary_codes](/assets/img/2024-10-29-Idiots-guide-to-ELEC/Line_Codes.drawio.svg)
```math ```math
\begin{align*} \begin{align*}
@ -776,7 +779,7 @@ TODO:
### Raised cosine (RC) pulse ### Raised cosine (RC) pulse
![Raised cosine pulse](assets/img/2024-10-29-Idiots-guide-to-ELEC/RC.drawio.svg) ![Raised cosine pulse](/assets/img/2024-10-29-Idiots-guide-to-ELEC/RC.drawio.svg)
```math ```math
0\leq\alpha\leq1 0\leq\alpha\leq1