Changes between Version 20 and Version 21 of Tutorials/k0SDR/Tutorial04a


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Timestamp:
Jun 4, 2013, 2:25:34 PM (11 years ago)
Author:
nilanjan
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  • Tutorials/k0SDR/Tutorial04a

    v20 v21  
    6363}}}
    6464
    65  * The recorded spectrum data is stored in a file under the root directory on each of the nodes. Copy that data file from the node to the console and check the contents. Each node will have its own file: /root/spectrum_measurement_nodex-y. [[BR]]
     65 * The recorded spectrum data is stored in a file under the root directory on each of the nodes. Copy that data file from the node to the console and check the contents. Each node will have its own file: /root/spectrum_nodex-y. [[BR]]
    6666 The following will copy the data collect from node3-3 to the console.
    6767{{{
    68 nilanjan@console.grid:~/UHD/SPECTRUM/w$ scp root@node8-8:/root/spectrum_measurement_node8-8 .
     68nilanjan@console.grid:~/UHD/SPECTRUM/w$ scp root@node8-8:/root/spectrum_node8-8 .
    6969}}}
    7070
     
    7878 * This will demonstrate using the waveform generator to create a signal at 5.002 GHz and using the USRPs to detect & record the signal. From the grid console enter the following to configure & run the waveform generator at 5.002 GHz with a -1 dBm power level.
    7979{{{
    80 nilanjan@console.grid:~/UHD/SPECTRUM/w$ wget -qO- http://instrument1.orbit-lab.org:5054/interference/stop
     80nilanjan@console.grid:~/UHD/SPECTRUM/w$ wget -qO- http://instrument1.orbit-lab.org:5054/interference/initialize
    8181OK
    8282nilanjan@console.grid:~/UHD/SPECTRUM/w$ wget -qO- http://instrument1.orbit-lab.org:5054/interference/set?frequency=5.002\&power=-1