On 02/11/2015 03:05 AM, Martin Braun wrote:
On 02/11/2015 10:38 AM, zealdeal wrote:
Is this clipping behaviour specific to uhd_siggen? Earlier I have tried to
increase the amplitude of an OFDM subcarrier to more than 1.0 and saw linear
increase in received amplitude. Clipping took place at quite a high
amplitude.
No, 1.0 maps to FS for USRP blocks. In the OFDM example, watch the
amplitude of the signal before it enters the USRP sink. If it exceeds
1.0, I promise it will clip (and you will see this with a spectrum
analyzer).
M
zealdeal could be talking about the amplitude of an OFDM carrier
before the IFFT.
Ron
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