Before diving into the content, it is essential to understand the author. Mischa Schwartz (1926–2021) was a pioneering electrical engineer and a Distinguished Professor at Columbia University. He was a leader in the fields of communication networks, signal processing, and information theory.
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Perhaps the book's greatest contribution is its treatment of noise. Schwartz provides the mathematical tools to quantify how random interference degrades a signal.
Mischa Schwartz is known for clear derivations. Do not just memorize the final formula.