Convolution and Correlation in MATLAB (Discrete and Continuous Signals) – Complete Guide with Examples
Learn how to perform convolution and correlation in MATLAB with clear explanations, discrete and continuous signal examples, and practical code snippets. This complete guide also includes guided questions and real-world applications in electronics and computer engineering.
ESP32 Laboratory Exercise 3: Serial Monitor and Debugging
Learn how to use the Serial Monitor in the Arduino IDE to display data, debug code, and interact with the ESP32. This lab introduces basic serial communication and demonstrates how to read input from a push button and control an LED while monitoring outputs in real time.
Non-Periodic Signals in Signal Processing: A Comprehensive Guide
Non-periodic signals, also known as aperiodic signals, are essential in signal processing as they represent real-world phenomena that do not repeat over time. This article explains their fundamental properties, mathematical representation, and frequency analysis using the Fourier Transform. It also includes practical MATLAB examples such as exponential decay, rectangular pulses, and damped sinusoids to help you visualize and understand these signals in both time and frequency domains.
Understanding Sampling and Aliasing in Digital Signal Processing (DSP) with MATLAB Examples
Sampling and aliasing are fundamental concepts in digital signal processing. Sampling converts a continuous-time signal into a discrete-time signal so it can be processed digitally, while aliasing occurs when the sampling frequency is too low, causing distortion and incorrect frequency representation. This tutorial explains the Nyquist sampling theorem and demonstrates sampling and aliasing using practical MATLAB examples.
Laboratory Experiment: Periodic Signals Using MATLAB
Periodic signals are widely used in communications and digital signal processing. With MATLAB, users can generate and analyze different periodic waveforms by defining time vectors and applying built-in mathematical functions. This allows efficient visualization and study of signal characteristics such as frequency, amplitude, and period.
Periodic Signals in Signal Processing: Definition, Examples, and MATLAB Implementation
Periodic signals are important in signal processing because many systems exhibit repeating behavior over time. A signal is periodic if it repeats its pattern after a fixed interval called the period, such as sinusoidal or square waves used in communications and electronics. Tools like MATLAB help generate and analyze these signals by visualizing properties like frequency, amplitude, and period.
ESP32 Laboratory Exercise 2: Push Button Digital Input
Objective The objective of this laboratory exercise is to learn how to read digital input signals using the ESP32 development board. In this experiment, students will connect a push button and use it to control an LED. This laboratory exercise helps students understand: Introduction Microcontrollers interact with the external world through input and output pins….
ESP32 Laboratory Exercise 1: LED Blink Experiment
Objective The objective of this laboratory exercise is to introduce students to the basic operation of the ESP32 development board. In this experiment, students will learn how to program the ESP32 and control a simple electronic component by blinking an LED. This experiment helps students understand: Introduction The ESP32 is a powerful microcontroller widely used…
Parts of an ESP32 Development Board Explained
Introduction The ESP32 development board is one of the most popular platforms for learning embedded systems and building Internet of Things (IoT) projects. It integrates a powerful microcontroller with built-in Wi-Fi and Bluetooth connectivity, making it ideal for wireless applications, automation systems, and smart devices. Before starting any ESP32 project, it is important to understand…
ESP32 Valid GPIO Pins and Bootstrapping Pins Explained
Introduction When working with the ESP32, understanding which GPIO pins are safe to use is extremely important. Unlike simpler microcontrollers, the ESP32 contains special-purpose pins, bootstrapping pins, and restricted pins that behave differently during startup. Using the wrong pin can cause problems such as: In this guide, you will learn which ESP32 pins are safe…
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