Modulation Topics – A to Z Index
A
- Aliasing in Sampling
- Try the Online Aliasing Simulator
- (Adaptive Modulation)
- Try Online Adaptive Modulation Simulator
- (Amplitude, Frequency, and Phase Modulations -
- AM, FM, and PM)
- Amplitude (AM), Frequency (FM), and Phase (PM) Modulation Techniques
- Try the Online AM, FM, and PM Simulators
- Demodulation of AM, FM, and PM
- Over Modulation & Distortion in AM
- Frequency and Phase Sensitivity
- FM Bandwidth and FM Band
- Power of an AM Signal
- Power of an FM Signal
- Power of an PM Signal
- Power Efficiency: AM vs DSB-SC vs SSB-SC
- Advanced Modulation Power Online Simulator
- (Amplitude Spectrum vs Frequency spectrum)
- AM Spectrum
- FM Spectrum
- PM Spectrum
- (Analog vs Digital Communication Systems)
- Analog vs Digital Modulation Techniques
- (Amplitude, Frequency, and Phase Shift Keying Techniques -
- ASK, FSK, and PSK)
- ASK, FSK, and PSK – Comparison
- ASK FSK PSK with Simulation (using MATLAB Simulink)
- Try the Online ASK, FSK, and PSK Signal Generation Simulator
- Constellation Diagrams for ASK, FSK, and PSK
- BPSK vs BFSK: Understanding the 3dB Power Gain (with Simulation)
- Interactive BER vs SNR Graph Simulator for ASK, FSK, and PSK Modulation
B
- (Bandwidth)
- PCM Fundamentals: Understanding the Relationship Between Data Rate and Bandwidth
- Modulation Scheme & Bandwidth Efficiency
- M-ary PSK Bit Rate Relationship
- Spectral Efficiency in M-ary PSK
- Coherence Bandwidth and Coherence Time (with MATLAB + Simulator)
- Time-Bandwidth Product
- (Baseband Signal)
- What is Baseband Modulation?
- Baseband vs Passband Modulation Techniques
- (BER vs SNR)
- BER vs SNR Main Page
- (Binary vs M-ary Modulation)
- Binary vs M-ary Modulation
C
- (Carrier Signal & Carrier Recovery)
- What should be the relationship among the message, carrier, and sampling frequencies?
- Carrier synchronization using correlation in MATLAB
- Coherent vs Non-Coherent Detection
- (Channel Capacity)
- Shannon Theorem
- (Constellation Diagrams)
- Constellation Diagram of ASK, PSK, and FSK
- Constellation Distance and Power in M-ary PSK
- Crest Factor / Peak-to-Average Power Ratio (PAPR)
D
- Differential PSK (DPSK)
- (Digital Modulation)
- Advantages of digital modulation techniques
- Discriminator Receiver (FM Receiver)
- Why can’t we use digital signal as carrier?
- Decision Regions in Digital Modulation
- Detection Theory Basics
- (Doppler)
- Doppler Effect in Wireless Communication
- Try the Online Doppler Simulator
- (DSB-SC, SSB-SC, and VSB)
- Double Sideband Suppressed Carrier (DSB-SC)
- Spectrum of DSB-SC
- Single Sideband Suppressed Carrier (SSB-SC)
- Spectrum of SSB-SC
- DSB vs SSB-SC Modulation Techniques
- Online Simulator for DSB-SC, SSB-SC and Standard AM
- Vestigial Sideband Modulation (VSB)
E
F
- (Fading)
- Fading : Slow & Fast and Large & Small Scale Fading (with MATLAB Code + Simulator)
- Flat vs Frequency Selective
- Try the Online Fading Simulator
- (Filter Design in Communication (LPF, BPF))
- Filters Main Page
- Try the Online Filters Simulator
- FDM, TDM, and CDMA
- Online Simulator for CDMA (Code Division Multiplexing Access)
- Frequency Deviation (FM)
- (Frequency Hopping)
- Frequency Hopping
- Frequency Spectrum of Modulated Signals
G
- Gaussian Minimum Shift Keying (GMSK)
- Try the Online GMSK Simulator
- Gray Coding in QAM/PSK
- Guard Interval in OFDM
H
- Hamming Distance
- Hamming Code (error detection/correction)
- Hilbert Transform (for SSB)
- High and Low Level Modulation
I
J
K
- Keying Techniques Overview (ASK/FSK/PSK/QAM)
L
M
- Matched Filter Receiver
- Try Online Matched Filter Simulator
- (M-ary PSK and QAM)
- M-ary Modulation | QPSK & QAM
- Spectral Efficiency in M-ary PSK
- MATLAB Code for ASK, FSK, and PSK
- MATLAB Code for QAM
- MATLAB Code for QPSK
- MATLAB Code for BER vs SNR
- M-ary PSK Interactive Simulator (Bit Rate, Bandwidth, & Efficiency)
- Try Advanced m-ary Modulation Simulator
- (Mixer)
- Mixer, Multiplier, Modulator, and Mixer Products
- (Maximum Likelyhood Decoding)
- ML and MAP Decoding Fundamentals
- (Modulation Index)
- Modulation Index (AM/FM/PM)
- (MSK)
- Minimum Shift Keying (MSK)
- Try Online PSK vs MSK Simulator
- (Multipath Propagation)
- Multipath Propagation
N
O
P
- Phase Noise
- Power Spectral Density (PSD)
- Product vs Balanced Modulator
- (Pulse Modulation Techniques)
- Pulse Amplitude Modulation
- Pulse Width Modulation (PWM)
- Pulse Position Modulation (PPM)
- Delta Modulation & Demodulation
- Pulse Code Modulation
- Quantization SNR in PCM
- Pulse Code Modulation in MATLAB
- (Pulse Shaping)
- Pulse Shaping (Raised Cosine Filter)
- (Passband Signal)
- Passband Modulation Techniques
- Passband Binary ASK, FSK, and PSK
Q
R
- Receiver Architectures
- (RF Front-End Basics)
- RF Chain
- Precoding and Combining
S
- Sampling Theorem (Nyquist Theorem)
- Signal-to-Noise Ratio (SNR full theory)
- (Spectral Efficiency)
- Spectral Efficiency for various Modulation Schemes
- Synchronous and Asynchronous Demodulation
- Superheterodyne Receiver
T
U
- Upsampling & Downsampling
V
- Vector Signal Representation
- Viterbi Algorithm (for decoding
W
X
- X-domain representation