I want signals and system notes of sir Arun Kumar BCoz it's very help full for me and also his notes of different notes are also very easy and awesome

Signals and Systems tutorial is designed to cover analysis, types, convolution, sampling and operations performed on signals. It also describes various types of systems.

Audience
This tutorial is designed for students and all enthusiastic learners, who are willing to learn signals and systems in simple and easy steps. This tutorial will give you deep understanding on Signals and Systems concepts. After completing this tutorial, you will be at intermediate level of expertise from where you can take yourself to higher level of expertise.

Prerequisites
Before proceeding with this tutorial, you must have a basic understanding of differential and integral calculus, limits and adequate knowledge of mathematics.