Search found 2 matches

by ab1jx
Thu Sep 28, 2017 4:59 am
Forum: SDRuno
Topic: What is "Decimation"?
Replies: 10
Views: 3291

Re: What is "Decimation"?

You can probably find the answer buried in the free book at http://www.dspguide.com but it didn't make the table of contents. The rtl2832 dongle for example normally samples at 2.048 million samples/second. Processing all of them takes a lot of CPU but there's no great harm in leaving some out as lo...
by ab1jx
Thu Sep 28, 2017 4:39 am
Forum: General
Topic: Seeing spectrum of UHF (HDTV) Broadcast Band
Replies: 5
Views: 769

Re: Seeing spectrum of UHF (HDTV) Broadcast Band

rtl_power doesn't have a limitation like 10 MHz, but it doesn't exactly do it in real time either, it retunes. http://ab1jx.1apps.com/pix/misc2/rtl_power_110-1300mhz.png This is output from Heatmap, a little Python script that plots from the csv output. There are also several forks of it but it's pa...

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