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Tianchu Lu


Last seen: 3 months ago |  Active since 2020

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Answered
How can I convert datetime into double?
Hi, I have got the same problem, and I think I have managed to solve it. This function does exactly what it is. Although this...

5 months ago | 0

Answered
Finding values within a 3D Array
The use of griddedInterpolant to solve the issue. For more information check out the matlab page.

7 months ago | 0

| accepted

Question


Finding values within a 3D Array
The problem I have is that I have a 3D array with the dimension of 181x361x1931. If I was to simulate a line at any point throug...

7 months ago | 1 answer | 0

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answer

Question


Does phased.RotateArray still exist?
I am looking to build a LHCP (left hand circular polarised) and RHCP(right hand circular polarised) antenna within matlab. My lo...

10 months ago | 1 answer | 0

1

answer

Question


How to incorporate movemean within the cellfun function?
I am have a cell array where each column of the array is a double array and what I want to do is to extract each column (double ...

2 years ago | 0 answers | 0

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answers

Question


Cell Array Conversion to a Numeric Array by using a loop
I have a cell array containing over 9000 data, but I want to convert the cell array into double to which I am able to maunipulat...

2 years ago | 1 answer | 0

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answer

Question


Automatic Downloading and automatic unzip of tarred and gunzipped files.
So I the code I have currently can download several .tar.gz files within a loop, the amount of files downloaded can be altered b...

2 years ago | 1 answer | 1

1

answer

Question


How do I Save all the Variables in the Workspace.
After each full run of my code, I have several variables within the workspace, is there a quicker way of saving them all rather ...

2 years ago | 1 answer | 0

1

answer

Question


Automatic Download from a Url when the file of the date is inputted by the user
I have written a code to download a specific data from cosmic satellite website, the code is as follows url_https='https://data...

2 years ago | 1 answer | 0

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Question


How do I automatically delete a file after the variables needed has been extracted.
ncvars={'TEC','elevation','time','x_LEO','y_LEO','z_LEO','x_GPS','y_GPS','z_GPS'}; projectdir= "F:\podtc2_data\podTc2_nrt_2022_...

2 years ago | 2 answers | 0

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Answered
failure Reading Variables from multiple Netcdf files
ncvars={'TEC','elevation','time','x_LEO','y_LEO','z_LEO','x_GPS','y_GPS','z_GPS'}; projectdir= "F:\podtc2_data\podTc2_nrt_2022_...

2 years ago | 0

| accepted

Answered
Unable to unzip and untar a .tar.gz file
Files=untar("F:\podtc2_data\podTc2_nrt_2022_003.tar.gz",'podTc2_nrt_2022_003'); such method would be sufficient url_https='htt...

2 years ago | 0

| accepted

Question


failure Reading Variables from multiple Netcdf files
I am trying to read multiple different variables that is within a netcdf file, and almost extract the number that is associated ...

2 years ago | 1 answer | 0

1

answer

Question


Unable to unzip and untar a .tar.gz file
I have downloaded a .tar.gz file from the internet and I have written a code to unzip and untar the file. But there is an error ...

2 years ago | 1 answer | 0

1

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Question


How o you work the phase difference between the input and the output of a sine wave?
Here is my code: n = 0:49; % These are the time indices input = 7*cos(2*pi*0.125*n+pi/3); input_a = 2*input; input_b = 8...

4 years ago | 1 answer | 0

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Question


what type of signal is this?FIR filters
i am confused as to what type of signal this is when the matlab code is written. here's ,my code, the variables are linked. in...

4 years ago | 1 answer | 0

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