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Jacob Halbrooks

MathWorks

Last seen: 6 dagar ago |  Active since 2012

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I manage the Mapping and RF Propagation team at MathWorks.

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Answered
Problems Reading GRiB files with NCTOOLBOX
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
MATLAB - Read GRIB Data
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
How to read grib files in Matlab 2019A in Windows Environment?
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
How to open GRIB2 file using ncgeodatset?
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
What is the best way to open GRIB files in Matlab R2021a
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
NCREAD reading GRIB2 files?
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

Answered
How to read grib2 data
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
How to read grib files
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
how to read Grib Files
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
Downloading GRIB files directly into Matlab
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

Answered
Hi, is there a matlab function to read .grib2 files (these are files similar to netcdf but Matlab nclibraries cant seem to be able to read them) thank you
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
how to analyze matlab grib files?
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
Read .GRIB2 files in Matlab
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

| accepted

Answered
Unable to read grib2 data with nctoolbox
As of R2023b, you can read data from a GRIB file (.grb, .grib, .grib2) using the Mapping Toolbox readgeoraster function. You can...

ungefär 2 månader ago | 1

Answered
Extract coordinates from a geopolyshape
You can access latitude-longitude coordinates from a geopolyshape using the geotable2table function. We recognize that there is ...

ungefär 2 år ago | 3

| accepted

Answered
How to read modern shapefile data
You can access latitude-longitude coordinates from a geopolyshape using the geotable2table function. We recognize that there is ...

ungefär 2 år ago | 0

| accepted

Answered
Vertical Distance from Single Coordinate
You can query the ground elevation of a txsite or rxsite location using the elevation function. This returns ground elevation as...

ungefär 4 år ago | 0

| accepted

Answered
How to fix "Out of memory" error
This is likely due to a mismatch between the resonant frequency of the default cavityCircular antenna and the transmitter freque...

ungefär 4 år ago | 1

| accepted

Answered
How can I get the signal strength for individual rays when I do the ray tracing?
As of R2020a you can call raytrace with an output argument to programmatically access each ray's geometry and propagation charac...

mer än 4 år ago | 2

| accepted

Answered
Longley-Rice propagation values
The output of sigstrength does correspond to the absolute signal strength received. By default the signal strength "Type" is "po...

mer än 4 år ago | 0

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Answered
How do I plot a 2D powermap for SignalStrength calculated bwtween two plot in a graph using imagesc
A new feature is available in R2020a to support importing and visualizing propagation data like this. The feature is available i...

mer än 4 år ago | 0

Answered
Plotting latitude, longitude,and signal strength
A new feature is available in R2020a to support importing and visualizing propagation data like this. The feature is available i...

mer än 4 år ago | 0

Answered
Is longley-rice the reason it is taking ages to generate a coverage map?
The trouble with the code is a mismatch between the antenna dimensions and the transmitter frequency. The default design frequen...

ungefär 5 år ago | 2

| accepted

Answered
The RF propagation toolbox has SINR function that is used to calculate and display an SINR map, I just want the SINR values and don't want it to be displayed
UPDATE: As of R2020a, the sinr function now supports returning output values when provided transmitter site inputs: pd = sinr(t...

mer än 5 år ago | 0

| accepted

Answered
Copy SiteViewrer custom terrain data from one computer to another.
There is no mechanism to copy custom terrain data that has been processed for Site Viewer from one machine to another. You will ...

mer än 5 år ago | 0

Answered
RF Propagation: Site Viewer
I can run the code you provided but do not encounter an error. The coverage map that results depends on whether the MATLAB relea...

mer än 5 år ago | 0

Answered
Coverage map for Base station signal strength
The difference in coverage maps between the example and your results in R2017b is due to the usage of terrain data that was adde...

mer än 5 år ago | 0

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Answered
How does MATLAB compute coverage of the antenna?
The default terrain data that is used to generate coverage maps is derived from the USGS GMTED2010 data set, which includes the ...

mer än 5 år ago | 0

Answered
Plotting coverage of an LTE base station
Hi Mark, I realize it has been a while since you posted your question. However, I wanted to make you aware that the R2018b versi...

mer än 5 år ago | 1

Answered
Coverage map with custom antenna
The txsite and rxsite objects work with any antenna element or array objects from Antenna Toolbox or Phased Array System Toolbox...

mer än 5 år ago | 1

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