Signal Processing Main Page
0–9
A
- Alamouti Scheme
B
- (Basic Signal & Systems)
- Energy vs Power Signals
- Even and Odd Signals
- Periodic vs Aperiodic Signals
- Unit Step, Impulse, Ramp functions
- (Baseband vs Passband signals)
- Baseband vs Passband
- (BER vs SNR)
- BER vs SNR Main Page
- What is BLER (Block Error Rate)?
C
- (Carrier Signal)
- Carrier synchronization using correlation in MATLAB
- (Causality)
- (Channel Estimation)
- (Channel Estimation) Pilot Correlation Online Simulator
- FFT-Based Channel Estimation with MATLAB Code
- Channel estimation using Beam Steering
- Channel Estimation using Hybrid Beamforming
- Clarke-Jakes model
- Coherence Bandwidth and Coherence Time
- Coherence Bandwidth and Coherence Time
Coherence Bandwidth Online Simulator - Continuous vs Discrete Signals
- Convex Optimization
- Correlation
- (Covariance)
- (Convolution)
- Linear vs Circular Convolution
- What is convolution (full convolution)?
- Frequency Spectrum of Convolution Explained
- Cross-Correlation
D
- (dB and dBm)
- Why Transmitted and Received Power are Calculated in dBm
- Decision Feedback Equalizer (DFE) in MATLAB
- Digital Beamforming for Multi-User scenario
- Direction of Arrival (DOA) Estimation (with MATLAB)
- Discrete Wavelet Transform (DWT)
- Discrete Wavelet Transform (DWT) in MATLAB
- Diversity Order Explained
E
F
(Fading) Fading Home Page - Nakagami vs Rayleigh vs Rician Fading Models
- Fading Online Simulator (Rayleigh, Rician, Nakagami, and Doppler)
- Frequency Selective Fading Online Simulator
- (Fidelity)
- Signal Fidelity
- (Filters)
- Filters Main Page
- (Filters) High-Pass Filter [1, -1]
- Understanding the 1/(1 + x) Factor in Frequency Domain Filters
- How High-Pass and Low-Pass Filters Attenuate Signals – Real DSP Examples
- FIR vs IIR Filters
- Windowing Method
- Frequency Response of Filters (magnitude + phase)
- Butterworth Filter
Butterworth Low-Pass Filter Online Simulator - (Filter Order)
- RLC Circuit & Damping Ratio (for filters) Simulator
- 1st and 2nd-order Filters Simulation
- 3rd and 4th-order Filters Simulation
- Group Delay & Phase Delay
- (Fourier Series and Fourier Transform)
Fourier Series and Fourier Transform Main Page - Discrete-Time Fourier Transform (DTFT)
- Discrete Fourier Transform (DFT)
- Fast Fourier Transform (FFT)
- Parseval’s Theorem
- Time-Frequency Duality
- Fourier Spectral Analysis for Addition, Multiplication, Convolution, Differentiation, and Integration
- Frequency domain analysis of a convolved signal
- Power Spectral Density Calculation Using FFT in MATLAB
- (Frequency Hopping)
- Frequency Hopping
- Full-Duplex vs Half-Duplex Communication
- (FSO) Free-Space Optical (FSO) Communication
- (Friis Formula)
- Friis Transmission Formula
G
H
I
J
K
L
- Least Squares Estimation
M
- Matched Filter Explained
- Matched Filter Simulator for BPSK
- Maximum Likelihood Detection
- MAP Detection
- (Memory vs Memoryless Systems)
- (MIMO)
- 4×4 MIMO in LTE (Signal Processing Perspective)
- Mixer, Multiplier, Modulator, and Mixer Products
- Multiuser Alamouti STBC
- MATLAB Code for Multi-User STBC (using Alamouti's Scheme)
- ML in Wireless Communication & Signal Processing
- (MSE) Why MSE Is Often Used in Wireless Communication
- MSD and GMSD Algorithms
- MUSIC Algorithm Explained (with MATLAB + Simulator)
- (MVDR)
- Minimum Variance Distortionless Response (MVDR) (with MATLAB)
N
- Narrow Band
- Noise Figure & Noise Floor
- Nyquist Criterion
O
- OFDM
- OFDM Main Page
- OFDM
- OFDM in MATLAB
- OFDM Waveform with MATLAB Code
- Role of Cyclic Prefix in MATLAB
- DCO-OFDM
- Orthogonality
- OTFS
- Outage
- Overhead
P
- PDF and CDF in Probability
- (Periodicity)
- Periodicity of Continuous and Discrete Signals
- Poles and Zeros in Signal Processing
- Z-Plane Poles and Stability Explained
- (Prefix and Postfix) Robust Signal Detection with Prefix and Postfix in MATLAB
- Principal Component Analysis (PCA) with Example
- PCA Online Simulator
- Pulse Shaping using Raised Cosine Filter
Q
- QAM Basics
- (Quantization)
- Quantization
- Quantization Noise
- Quantization Signal to Noise Ratio (Q-SNR)
R
- Raised Cosine Filter Online Simulator
- (Random Variable and Random Process)
- Random Variable vs. Random Process: Definitions, Examples, and Key Differences
- Rayleigh vs Rician Fading update
- (RMS)
- RMS and Average Values
- (Root Mean Square Error (RMSE))
- MSE vs RMSE in Signal Processing: Use Cases
S
- (Sampling)
- Sampling Theorem (Nyquist Theorem)
- Aliasing in Sampling
- Undersampling / Oversampling
- Reconstruction of Signals
- (ADC & DAC basics)
- ADC SNR Gain
- (Sensor Array Processing)
- Single Sensor, Sensor Array, and Vector Sensor Comparison in SIMO System (with MATLAB)
-
Shannon Limit Explained: Negative SNR, Eb/No and Channel Capacity - Spectral Estimation Methods - Periodogram, Correlogram, Welch, Bartlett ...
- (Short-Time Fourier Transform (STFT))
- (Spectrogram)
- Spectral Estimation Techniques
- (Spectrum Sharing)
- AI-Driven Spectrum Sharing (with MATLAB)
- (Stability - BIBO Stability)
- System Stability and Routh–Hurwitz Criterion Explained
- (SIC)
- Successive Interference Cancellation (SIC)
- (Synchronization) Frequency and Timing Synchronization
- (State Space Model)
- State Space and Transfer Function
- Applications of State Space Model
- Interactive State-Space Simulation
T
- (Time Bandwidth Product)
- Trade-off Between Roll-off Factor and Time Bandwidth Product
- Time-Bandwidth Product and Pulse Shaping
- Time Reversal Mirror (TRM) Technique
- Time Shifting (delay) and Time scaling (stretching)
- Turbo Encoding and Decoding
- Turbo Code SNR Gain: Understanding the Waterfall Effect and BER Improvement
U
V
- Variance
- Vector Signal