Signal Generation

Create signals

Objects

`dsp.ColoredNoise`	Generate colored noise signal
`dsp.Chirp`	Generate swept-frequency cosine (chirp) signal
`dsp.HDLNCO`	Generate real or complex sinusoidal signals—optimized for HDL code generation
`dsp.NCO`	Generate real or complex sinusoidal signals
`dsp.SignalSource`	Import variable from workspace
`dsp.SineWave`	Generate discrete sine wave

Blocks

Chirp	Generate swept-frequency cosine (chirp) signal
Colored Noise	Generate colored noise signal
Constant	Generate constant value
Constant Ramp	Generate ramp signal with length based on input dimensions
Discrete Impulse	Generate discrete impulse
Identity Matrix	Generate matrix with ones on main diagonal and zeros elsewhere
Multiphase Clock	Generate multiple binary clock signals
N-Sample Enable	Output ones or zeros for specified number of sample times
NCO	Generate real or complex sinusoidal signals
NCO HDL Optimized	Generate real or complex sinusoidal signals—optimized for HDL code generation
Random Source	Generate randomly distributed values
Signal From Workspace	Import signal from MATLAB workspace
Sine Wave	Generate continuous or discrete sine wave
Triggered Signal From Workspace	Import signal samples from MATLAB workspace when triggered

Topics

Sample- and Frame-Based Concepts

Introduction to real-world sample- and frame-based signals, and how to model those signals in MATLAB^® and Simulink^®.

Discrete-Time Signals

Overview of discrete-time signals. Discusses the similarities and differences between using fixed-step solvers and variable-step solvers while handling discrete-time signals.

Continuous-Time Signals

Overview of continuous-time signals.

Create Signals for Sample-Based Processing

Use the Constant block and the Signal From Workspace block to generate signals for sample-based processing.

Create Signals for Frame-Based Processing

Use the Sine Wave block and the Signal From Workspace block to generate signals for frame-based processing.

Create Multichannel Signals for Sample-Based Processing

Use the Concatenate block to create multichannel signals for sample-based processing.

Create Multichannel Signals for Frame-Based Processing

Use the Concatenate block to create multichannel signals for frame-based processing.

Inspect Sample and Frame Rates in Simulink

Understand sample time, sample rate, frame period, and frame rate in the context of a Simulink model. Determine the sample and frame rates of signals in your model.

Delay and Latency

Configure the Simulink environment to minimize delay and increase simulation performance.

Related Information

Frame-Based Processing in Simulink

Signal Generation

Objects

Blocks

Topics

Related Information

Featured Examples

DSP System Toolbox Documentation

Support

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