LinearFrequencyRamp

LinearFrequencyRamp#

class LinearFrequencyRamp(options)#

Bases: Waveform

LinearFrequencyRamp generates sine waves with linearly varying frequency.

Creates sine wave signals where the frequency changes linearly from a start frequency to a stop frequency over the duration. Useful for frequency sweep applications and chirp signals. Inherits from Waveform.

Example1:

% Create a frequency sweep from 100 Hz to 1000 Hz
ramp = LinearFrequencyRamp(startFrequency = 100, stopFrequency = 1000, ...
                           amplitude = 1.0, duration = 0.01);
ramp.plot();

Example2:

% Create a downward frequency sweep
ramp = LinearFrequencyRamp(startFrequency = 1000, stopFrequency = 100, ...
                           amplitude = 2.0, duration = 0.01);
ramp.plot();
Constructor Summary
LinearFrequencyRamp(options)#

Construct a LinearFrequencyRamp object.

Parameters:

  • samplingRate (double, optional) – Sampling rate in Hz (default: [])

  • startTime (double, optional) – Start time in seconds (default: 0)

  • duration (double, optional) – Duration in seconds (default: [])

  • offset (double, optional) – DC offset (default: 0)

  • amplitude (double, optional) – Peak-to-peak amplitude (default: 0)

  • phase (double, optional) – Initial phase in radians (default: 0)

  • startFrequency (double, optional) – Starting frequency in Hz (default: 1)

  • stopFrequency (double, optional) – Ending frequency in Hz (default: 2)

Property Summary
Amplitude double = 0#

Peak-to-peak amplitude, usually in Volts.

Offset double = 0#

Offset, usually in Volts.

Phase double = 0#

Initial phase in radians.

StartFrequency double {mustBePositive} = 10#

Linear frequency in Hz - Starting frequency.

StopFrequency double {mustBePositive} = 100#

Linear frequency in Hz - Ending frequency.

Method Summary
TimeFunc()#

Get the time function for the linear frequency ramp.

Creates a function handle that generates sine wave values with linearly varying frequency from StartFrequency to StopFrequency. Implements the abstract TimeFunc() method from Waveform.

Returns:

Function that takes time array and returns frequency ramp values

Return type:

function_handle