This lecture in a series of (Bilingual English/Arabic) lectures on "Introduction to course Digital Signal Processing Course".

This lecture continues to discuss the basic properties of the spectrum in discrete systems, Sampling theory, aliasing, Nyquist rate, ...etc are discussed with examples.
محاضره في معالجة الاشارات الرقميه تناقش خصائص الاشارات في المجال الترددي ونظريه العينات