Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.dsp > #35181 > unrolled thread

Re: What is a boxcar filter?

Back to article view | Back to comp.dsp

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: What is a boxcar filter? mohammed.morsi01@gmail.com - 2020-06-01 00:22 -0700
    Re: What is a boxcar filter? Randy Yates <yates@digitalsignallabs.com> - 2020-06-05 11:34 -0400
      Re: What is a boxcar filter? Zach Metzinger <please@ask.me> - 2020-06-05 16:47 -0500
      Re: What is a boxcar filter? blocher@columbus.rr.com - 2020-08-10 03:20 -0700

#35181 — Re: What is a boxcar filter?

On Monday, February 12, 1996 at 10:00:00 AM UTC+2, Edwin Verheijen wrote:
> Raphael Schneider (rasch@med1.med.tu-muenchen.de) wrote:
> : Hi,
> 
> : does anyone knows what a boxcar low-pass filter is and how it works?
> 
> : Thanks Raphael
> 
> A boxcar filter uses a rectangular window in the frequency domain.
> In a drawing it looks like:
> 
>        |Hi Everyone, I need simple explanation for the way Boxcar filter works, and if some graphs provided that will be useful. thanks in advance

>        |
>  ampl. |
>        |___________
>        |           |
>        |           |
>        |           |
>        |___________|_________
>                   F_0
>                        frequency--->
> 
> Untill F=F_0 it passes all frequencies, while it cuts 
> signal components above this frequency F_0.
> If the filter as a edgy fall-off at F=F_0 it may produce 
> unwanted effects like a tone at this frequency (e.g.
> if you would listen to noise filtered by the boxcar).
> Any handbook about (digital or analog) filtering will
> describe it in detail.
> 
> Edwin Verheijen

[toc] | [next] | [standalone]

#35183

Wow, 1996???

mohammed.morsi01@gmail.com writes:

> On Monday, February 12, 1996 at 10:00:00 AM UTC+2, Edwin Verheijen wrote:
>> Raphael Schneider (rasch@med1.med.tu-muenchen.de) wrote:
>> : Hi,
>> 
>> : does anyone knows what a boxcar low-pass filter is and how it works?
>> 
>> : Thanks Raphael
>> 
>> A boxcar filter uses a rectangular window in the frequency domain.
>> In a drawing it looks like:
>> 
>>        |Hi Everyone, I need simple explanation for the way Boxcar filter works, and if some graphs provided that will be useful. thanks in advance
>
>>        |
>>  ampl. |
>>        |___________
>>        |           |
>>        |           |
>>        |           |
>>        |___________|_________
>>                   F_0
>>                        frequency--->
>> 
>> Untill F=F_0 it passes all frequencies, while it cuts 
>> signal components above this frequency F_0.
>> If the filter as a edgy fall-off at F=F_0 it may produce 
>> unwanted effects like a tone at this frequency (e.g.
>> if you would listen to noise filtered by the boxcar).
>> Any handbook about (digital or analog) filtering will
>> describe it in detail.
>> 
>> Edwin Verheijen
>

-- 
Randy Yates, DSP/Embedded Firmware Developer
Digital Signal Labs
http://www.digitalsignallabs.com

[toc] | [prev] | [next] | [standalone]

#35184

On 06/05/20 10:34, Randy Yates wrote:
> Wow, 1996???

Better late than never.

--- Zach

[toc] | [prev] | [next] | [standalone]

#35221

On Friday, June 5, 2020 at 11:34:26 AM UTC-4, Randy Yates wrote:
> Wow, 1996???

Gotta dig deep to keep this group going
> -- 
> Randy Yates, DSP/Embedded Firmware Developer
> Digital Signal Labs
> http://www.digitalsignallabs.com

[toc] | [prev] | [standalone]

Back to top | Article view | comp.dsp

csiph-web