fftweb
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fftweb [2016/03/15 17:33] – [How to see the result] lbeseme | fftweb [2016/12/13 17:33] – [How to use FFT Web block] onicolas | ||
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# 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 | ||
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You will land on an empty page because you will have to configure graphics corresponding to each of your fft web block. There is several parameters to set up before adding a new graphic : | You will land on an empty page because you will have to configure graphics corresponding to each of your fft web block. There is several parameters to set up before adding a new graphic : | ||
- | * **host** | + | * **host** |
- | * **port** | + | * **port** |
- | * **UDP port** | + | * **UDP port** |
- | * **width** | + | * **width** |
- | * **height** | + | * **height** |
- | * **rearrange halves** | + | * **rearrange halves** |
- | * **mean window** | + | * **mean window** |
- | * **title** | + | * **title** |
- | * **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