fftweb
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
fftweb [2016/03/16 11:38] – lbeseme | fftweb [2016/12/13 17:39] – [How to see the result] onicolas | ||
---|---|---|---|
Line 1: | Line 1: | ||
# How to use FFT web | # How to use FFT web | ||
- | FFT Web is an Out-Of-Tree block which sends a signal FFT by UDP to a websocket server. This websocket server packs and broadcast | + | FFT Web is an Out-Of-Tree |
- | FFT Web block come along with the CorteXlab OOT module, but it can also be found on [[https:// | + | The FFT Web block is part of the CorteXlab OOT module, but it can also be found on [[https:// |
## How to use FFT Web block | ## How to use FFT Web block | ||
- | FFT web is a FFT sink block you have to feed with the signal you want to analyse. for example you can put it just ater an USRP Source block to act as a spectrum | + | FFT web is an FFT sink block you have to feed with the signal you want to analyze. For example you can put it just after a USRP Source block to act as a spectrum |
- | FFT Web can be tune with several parameters : | + | FFT Web can be tuned with several parameters : |
* **fft_size** The size of the FFT ( 256 is a good start) | * **fft_size** The size of the FFT ( 256 is a good start) | ||
* **power max** The upper limit of the measured power in dB (-30 is a good start) | * **power max** The upper limit of the measured power in dB (-30 is a good start) | ||
* **power min** The lower limit of the measured power in dB (-100 is a good start) | * **power min** The lower limit of the measured power in dB (-100 is a good start) | ||
- | * **port** The port use to send the data. Usefull | + | * **port** The port used to send the data. Useful |
* **frame rate** The frequency of the acquisition (10 is a good start) | * **frame rate** The frequency of the acquisition (10 is a good start) | ||
- | * **samp rate** This correspond | + | * **samp rate** This corresponds |
* **ip address** The address of the websocket server the data will be sent to. The address of our server is " | * **ip address** The address of the websocket server the data will be sent to. The address of our server is " | ||
- | The resolution of graphic will be '' | + | The resolution of the graphic will be '' |
## How to see the result | ## How to see the result | ||
Line 25: | Line 25: | ||
To see the live results you can go to our web page [[http:// | To see the live results you can go to our web page [[http:// | ||
- | You will land on an empty page because you will have to configure | + | You will land on an empty page because you will have to configure |
- | * **host** The address of the websocket server to connect to | + | * **host** The address of the websocket server to connect to (except in special situations, you should not need to change the default value) |
- | * **port** The port to use | + | * **port** The port to use (except in special situations, you should not need to change the default value) |
- | * **UDP port** This correspond | + | * **UDP port** This corresponds |
- | * **width** Width of the new graphic | + | * **width** Width of the new graph |
- | * **height** Height of the new graphic | + | * **height** Height of the new graph |
- | * **rearrange halves** This is needed to display properly the result of a FFT | + | * **rearrange halves** This is needed to display properly the result of an FFT |
- | * **mean window** | + | * **mean window** |
- | * **title** Title of the new graphic | + | * **title** Title of the new graph |
- | * **x\_min** | + | * **x\_min** |
- | * **x\_max** | + | * **x\_max** |
- | * **y\_min** | + | * **y\_min** |
- | * **y\_max** | + | * **y\_max** |
fftweb.txt · Last modified: 2016/12/13 17:39 by onicolas