Normalize x-axis and y-axis of surface plot

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Wesam AlAmiri
Wesam AlAmiri 2022-3-13
评论： Steven Lord 2022-3-18
I created a matlab code to calculate the cross ambiguity function. The results are correct, but the problem I am facing that the doppler and delay values are from 0 to 400, and the peak is centered at 200.
I am just wondering how can I normalize the x-axis (delay) and y-axis(doppler) of the surface plot to have the peak centered at 0?

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Steven Lord
Steven Lord 2022-3-13
Ran in:
Call surf with 3 inputs not just 1.
[x, y, z] = peaks;
figure
surf(z)
title('1 input')
figure
surf(x, y, z)
title('3 inputs')
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Wesam AlAmiri
Wesam AlAmiri 2022-3-18
Thank you so much!
I meant by (X,Z) that I need to plot the X-axis (delay) with Z-axis (the ambigiuty function) .
Similarly, the (Y,Z) means plotting the Y-axis (doppler) with Z-axis(the ambigiuty function)).
Steven Lord
Steven Lord 2022-3-18
Ran in:
I suspect you have matrices of x, y, and z data (like what was returned by the peaks function in my example above.)
[x, y, z] = peaks;
whos
Name Size Bytes Class Attributes x 49x49 19208 double y 49x49 19208 double z 49x49 19208 double
So what specifically do you mean by "plot the X-axis with Z-axis"? For the peaks data, what do you want to plot? Do you want to turn them into a vector?
plot(x(:), y(:))
figure
plot(x(:), z(:))
figure
plot(y(:), z(:))
Or do you want the view-based approach I showed earlier? Or did you have something else in mind?

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