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An Easy Visual Guide to SDR

Learn about SDR and wireless communications through (a) great visualizations, (b) simple mathematics and (c) answers to a lot of `why' questions. See the sample contents below.
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There are 26 letters in English language and countless rules. The language of signal processing is simpler.

- It has only 1 letter: a sample at time 0. From there, we can build any discrete-time signal on which our 1s and 0s can be mapped.

- It has one major rule which is repeatedly employed for demapping the received signal to bits.