Filtering

Filtering and pulse shaping

Apply filtering for signal pulse shaping and conditioning.

Apps

Filter Analyzer

View, analyze, and compare filters (Since R2024a)

Functions

`gaussdesign`	Gaussian FIR pulse-shaping filter design
`intdump`	Integrate and dump
`rcosdesign`	Raised cosine FIR pulse-shaping filter design
`rectpulse`	Rectangular pulse shaping

Objects

`comm.IntegrateAndDumpFilter`	Integrate discrete-time signal with periodic resets
`comm.RaisedCosineTransmitFilter`	Apply pulse shaping by interpolating signal using raised-cosine FIR filter
`comm.RaisedCosineReceiveFilter`	Apply pulse shaping by decimating signal using raised-cosine FIR filter

Blocks

Ideal Rectangular Pulse Filter	Shape input signal using ideal rectangular pulses
Integrate and Dump	Integrate discrete-time signal, resetting to zero periodically
Raised Cosine Transmit Filter	Apply pulse shaping by interpolating signal using raised cosine FIR filter
Raised Cosine Receive Filter	Apply matched filtering using raised cosine FIR filter
Windowed Integrator	Integrate over time window of fixed length

Topics

Filtering in Communication Systems
General description of communications system filtering and examples that demonstrate filtering.
Group Delay
The group delay of a filter is the time between the initial and peak response for the filter.

Featured Examples

Raised Cosine Filtering

Raised Cosine Filtering

Demonstrate intersymbol interference rejection capability of the raised cosine filter.

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