QT GUI Waterfall Sink

A graphical sink to display signals on a waterfall (spectrogram) plot. The Intensity Min and Max will determine how the colormap represents the range of values

Parameters

(R): Run-time adjustable

Type

default: complex

options: [Complex, Float, Complex Message, Float Message]

Name

default: none

FFT Size

default: '1024'

options: ['32','64','128','256','512','1024','2048','4096','8192','16384','32768']

Spectrum Width

default: 'Full'

options: [Full, Half]

Window Type

default: Blackman-harris

options: [Blackman-harris, Hamming, Hann, Blackman, Rectangular, Kaiser, Flat-top]

Center Frequency (Hz)

default: '0'

Bandwidth (Hz)

default: samp_rate

Intensity Min

default: '-140'

Intensity Max

default: '10'

Grid

default: 'No'

options: ['Yes', 'No']

Number of Inputs

default: '1'

Update Period

default: '0.10'

Show Msg Ports

default: 'No'

options: ['Yes', 'No']

GUI Hint

The GUI hint can be used to position the widget within the application. The hint is of the form [tab_id@tab_index]: [row, col, row_span, col_span]. Both the tab specification and the grid position are optional.

Legend

default: 'Yes'

options: ['Yes', 'No']

Line 1 Label

default: none

Axis Labels

default: 'Yes'

options: ['Yes', 'No']

Line 1 Color

options: [Multi Color, White Hot, Black Hot, Incandescent, Sunset, Cool]

Line 1 Alpha

default: '1.0'

Line 2 Label

base_key: label1

Line 2 Color

base_key: color1

Line 2 Alpha

base_key: alpha1

Line 3 Label

base_key: label1

Line 3 Color

base_key: color1

Line 3 Alpha

base_key: alpha1

Line 4 Label

base_key: label1

Line 4 Color

base_key: color1

Line 4 Alpha

base_key: alpha1

Line 5 Label

base_key: label1

Line 5 Color

base_key: color1

Line 5 Alpha

base_key: alpha1

Line 6 Label

base_key: label1

Line 6 Color

base_key: color1

Line 6 Alpha

base_key: alpha1

Line 7 Label

base_key: label1

Line 7 Color

base_key: color1

Line 7 Alpha

base_key: alpha1

Line 8 Label

base_key: label1

Line 8 Color

base_key: color1

Line 8 Alpha

base_key: alpha1

Line 9 Label

base_key: label1

Line 9 Color

base_key: color1

Line 9 Alpha

base_key: alpha1

Line 10 Label

base_key: label1

Line 10 Color

base_key: color1

Line 10 Alpha

base_key: alpha1

Example Flowgraph

Example Output

Source Files

C++ files

TODO

Header files

TODO

Public header files

TODO

Block definition

qtgui_waterfall_sink_x.block.yml