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Results tagged with amplitude
Search options questions only
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user 10591
0
votes
2
answers
817
views
Amplifying part of a signal
If I want to amplify a certain frequency in a digital signal, can I just take the FFT, increase the real part of the value for the frequency I want (leaving the imaginary part alone), and then take th …
0
votes
0
answers
109
views
When to use raw signal strength, vs. when to filter first
I am collecting I/Q samples from an RTL SDR dongle.
I notice the rtl_power utility provided for Linux filters and does other processing, before reporting signal strength.
I just want to keep track o …
12
votes
1
answer
26k
views
Converting raw I/Q to dB
I am getting I/Q data from a software-defined radio. I want to do some stuff on signals in the data, but only if it exceeds a certain range. What is the general procedure to get dB (dBm, or anything …