Re: What is a boxcar filter?

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From	Randy Yates <yates@digitalsignallabs.com>
Newsgroups	comp.dsp
Subject	Re: What is a boxcar filter?
Organization	Digital Signal Labs
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Date	Fri, 05 Jun 2020 11:34:18 -0400
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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

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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

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