Re: [Discuss-gnuradio] Frequency Counter‏

[Marcus Müller]

Ah sorry, I didn't mean to put it that way: It's not an analog device;
the thing I wanted to point out
that there being a device that counts frequency --to me-- belongs to a
very "analog" thinking (i.e. it's not math on a computer, but an actual
thing with an HF connector). Actually, you're absolutely right, counting
things in discrete steps in defined time intervals is the most digital
thing one could do.

Thanks for your mail!

Greetings,
Marcus

On 05.05.2014 19:29, jmfriedt wrote:
> Not sure I agree with this statement: all frequency counters are, to the
> best of my knowledge, digital components (eg HP53131A for the most
> classical instrument). http://jmfriedt.free.fr/fosdem2014.pdf demonstrates
> on slide 16 a comparison of direct and reciprocal counters used on a 32768 Hz 
> signal
> generated by a tuning fork oscillator and sampled on the sound card.
>
> JM
>
>> a frequency counter counter is a very analog-world concept, I'd say.
>> As DSP person I'd assume you'd want a frequency estimator.
>> You can implement a simple one by using an FFT block, abs, max arg
>> chain, or just get your result from looking at any FFT plot.
>>
>> Anyway, for spectrum estimation, I recommend the gr-specest toolbox,
>> https://github.com/kit-cel/gr-specest
>>
>> Greetings,
>> Marcus
>>
>> On Mon, May 5, 2014 at 10:25 AM, Dimitris Siafarikas
>> <address@hidden>wrote:
>>
>>> Hi list,
>>>
>>>  
>>>
>>> Has anyone been able to implement a frequency counter yet?
>>>
>>>
>>> Any ideas on how I should try it?
>>>  
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