Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore fundamental concepts of signal sampling, including Nyquist rate and aliasing effects, with clear explanations and visual representations for better understanding.
Explore digital modulation formats with visual waveform examples for ASK, FSK, BPSK, DPSK, QPSK, and QAM, enhancing understanding of signal transmission techniques.
Discover practical insights into beamforming hardware calibration at 28 GHz mm-wave frequencies, exploring real-world applications and requirements for future 6G mobile communications.
Explore how RC circuits filter signals through Laplace transforms, understanding the relationship to Fourier transforms and frequency response while examining resistor and capacitor value effects.
Explore Minimum Shift Keyed (MSK) modulation in digital communications, understanding its properties and relationship to BPSK and 4-PSK in this concise 15-minute explanation.
Explore how RLC circuits filter signals through frequency response analysis using Laplace and Fourier transforms to understand resistor, inductor, and capacitor design impacts.
Discover how windowing techniques in signal processing enable audio compression and spectral analysis through practical examples and clear explanations.
Discover the essential role of windowing in digital signal processing, focusing on sampling continuous signals and processing them through DFT/FFT for accurate frequency analysis.
Discover the fundamental mathematical concepts required for understanding signals and systems, from complex numbers to Fourier transforms and convolution operations.
Discover the fundamentals of spread spectrum signals, including three key types and their crucial applications in modern digital communication systems and signal processing.
Delve into the concept of Phase Spectrum in signal processing, understanding its importance compared to Amplitude Spectrum and its applications in amplifier design through Fourier transform analysis of sinusoids.
Explore digital quadrature amplitude modulation using real signals from a software defined radio. Visualize wireless transmission and gain insights into digital communication systems.
Discover what Electrical and Electronic Engineering (EEE) entails from current students and graduates. Learn about the field's appeal and career opportunities in this informative overview.
Delve into the principles of Delay Doppler communications and Zac-OTFS modulation, including pulse shaping techniques for time-domain implementations with mathematical foundations and practical applications.
Dive into digital filtering, estimation, and prediction techniques including Kalman filters, least squares estimation, and adaptive algorithms for signal processing applications.
Get personalized course recommendations, track subjects and courses with reminders, and more.