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Albert Zurita


UPC

Last seen: 11 days ago |  Active since 2022

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Question


Offset paraboloid reflector design
I'm playing with the Antenna Toolbox, but I can't generate an offset reflector where the paraboloid is not symmetric (e.g., I wo...

6 months ago | 1 answer | 0

1

answer

Question


Entry and exit points / trajectories through a rectangle (orbits)
Hi, I have a set of (x,y) points that are continuous orbit trajectories crossing a certain rectangle at specific times. The (x,y...

1 year ago | 2 answers | 0

2

answers

Question


Time series from Power Spectral Density (PSD)
Hi, I would like to compute different time series (time realizations) of a given PSD. I've read there are several methods using ...

1 year ago | 1 answer | 0

1

answer

Question


Non-standard spherical coordinates conversion
Hi, I have imported antenna data from CST Microwave Studio, with theta and phi spherical coordinate vectors. However, I noticed ...

1 year ago | 0 answers | 0

0

answers

Question


Maximum of 2D data interpolation
Hi, I have 2D data for which I know there is a single maximum, but the points spacing may not be ideal so the maximum may lie in...

2 years ago | 2 answers | 0

2

answers

Question


Sorting of trigonometric functions
I am trying to sort the outputs from sine or cosine function as below. I have a set of angles, for which I compute the sine and ...

2 years ago | 1 answer | 0

1

answer

Question


Cross-correlation signal alignment
I would like to align two pulses through the use of cross-correlation. I create two pulses located at different parts within a s...

2 years ago | 1 answer | 0

1

answer

Question


Matrix moving mean with overflow average
I am wondering if there is a (simply) way when using movmean for controlling row overflow and for specifying a rectangular windo...

2 years ago | 1 answer | 1

1

answer

Question


Text inside curve like clabel
Hi, is there a way of writing a text inside a closed curve (e.g. an ellipse) similarly to what would be done with clabel? I comp...

2 years ago | 1 answer | 0

1

answer

Question


2D sliding/moving/running average window
Hello, I want to perform a matrix 'patch' moving average but I am not sure how to. So, for example, defining my moving window as...

2 years ago | 3 answers | 0

3

answers

Question


Cross-correlation without using xcorr (vectorized)
Hello, I cannot use xcorr built-in function and I will correlate two discrete signals directly in my code. I have seen some answ...

2 years ago | 0 answers | 0

0

answers

Question


SAR raw signal simulation from satellite with Radar Toolbox
Hi, I am trying to use the Radar Toolbox for SAR raw data simulation from satellite. I first copied the example from the Matlab ...

2 years ago | 0 answers | 0

0

answers

Question


Find 2D intersection in lat lon between curve (rivers) and satellite traces (2D polygon) on a map
Hello, this is an expanded question to the original 1D problem in https://es.mathworks.com/matlabcentral/answers/1740820-find-cu...

2 years ago | 1 answer | 0

1

answer

Question


Find curve intersection points in lat lon between rivers and satellite traces on a map
Hello, I have a set of (lon,lat) points defining the course of a river. Then I also have a set of (lon, lat) points defining the...

2 years ago | 1 answer | 0

1

answer

Question


Antenna pattern in frequency domain and Hamming window
Hi, I have an antenna pattern (azimuth cut) and I want to apply a Hamming window to it. In SAR processing the target is shaped b...

2 years ago | 0 answers | 0

0

answers