4- Discrete Time Systems : Time variant & invariant
![](https://i.ytimg.com/vi/atTOTR1EJqI/mqdefault.jpg)
4:29
5- Discrete Time Systems : Causal & non-causal
![](https://i.ytimg.com/vi/9izR-HGx8m8/mqdefault.jpg)
11:50
DSP 4: Discrete Time Systems أنظمة الزمن ألمنفصل
![](https://i.ytimg.com/vi/q_i_E2WPAgg/mqdefault.jpg)
1:12:26
Project: Coding your own HTML in C
![](https://i.ytimg.com/vi/UqpD9mH_MHU/mqdefault.jpg)
42:09
المحاضرة الرابعة:classification of discrete time signal: DSP: (system properties)
![](https://i.ytimg.com/vi/jKMQrvHFdmM/mqdefault.jpg)
8:09
اسهل طريقة لحل الDT convolution
![](https://i.ytimg.com/vi/2nyZa8V7QqQ/mqdefault.jpg)
15:34
أسس الاتصالات - الانظمة الزمنية وغير الزمنية - Time variant & Time invariant
![](https://i.ytimg.com/vi/Pr3hkIQvVKo/mqdefault.jpg)
48:10
الحلقة 30مسلسل الزنكلوني حصري (الغشاش)
![](https://i.ytimg.com/vi/mi3hy_C7BXQ/mqdefault.jpg)
16:49