System object: phased.AngleDopplerResponse
Calculate angle-Doppler response
[RESP,ANG_GRID,DOP_GRID] = step(H,X,ELANG)
Starting in R2016b, instead of using the
step method to perform the operation defined by the System
object™, you can call the object with arguments, as if it were a function. For example,
y = step(obj,x) and
y = obj(x) perform equivalent operations.
the angle-Doppler response of the data
the complex angle-Doppler response.
the angle samples and Doppler samples, respectively, at which the
angle-Doppler response is evaluated. This syntax is available when
ElevationAngleSource property is
the angle-Doppler response using the specified elevation angle
This syntax is available when the
The object performs an initialization the first time the
is executed. This initialization locks nontunable
properties (MATLAB) and input specifications, such as dimensions, complexity,
and data type of the input data. If you change a nontunable property
or an input specification, the System
object issues an error.
To change nontunable properties or inputs, you must first call the
to unlock the object.
Angle-Doppler response object.
Input data as a matrix or column vector.
Elevation angle in degrees.
Default: Value of
Complex angle-Doppler response of
Angle samples at which the angle-Doppler response is evaluated.
Doppler samples at which the angle-Doppler response is evaluated.
Calculate the angle-Doppler response of the 190th cell of a collected data cube.
Load data cube and construct a
phased.AngleDopplerResponse System object™.
load STAPExampleData; x = shiftdim(STAPEx_ReceivePulse(190,:,:)); response = phased.AngleDopplerResponse(... 'SensorArray',STAPEx_HArray,... 'OperatingFrequency',STAPEx_OperatingFrequency,... 'PropagationSpeed',STAPEx_PropagationSpeed,... 'PRF',STAPEx_PRF);
Plot angle-Doppler response.
[resp,ang_grid,dop_grid] = response(x); contour(ang_grid,dop_grid,abs(resp)) xlabel('Angle') ylabel('Doppler')
phased.AngleDopplerResponse generates the response
using a conventional beamformer and an FFT-based Doppler filter. For
further details, see .
 Guerci, J. R. Space-Time Adaptive Processing for Radar. Boston: Artech House, 2003.