This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.

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The amplitudes of HRTEM images are given by |D(u)sinχ(u)|. Here, D(u) is envelope function and sinχ(u) is contrast transfer function (CTF). The most significant effect of the objective lens to the amplitudes is induced by the |sinχ(u)| part, which oscillates with u.