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How to decrease the affect of noise in my project.
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shoufeng_luo



Joined: 23 Aug 2005
Posts: 10
Helped: 1
Post30 May 2006 12:05   

How to decrease the affect of noise in my project.
Hello everyone!
In my design ,the frequecy of signal is about 1MHz,but my sampling rate is 200MHz,Can someone tell me what is the effective method to decrease the affect of noise?(FIR is not realizeable).
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mirceaI



Joined: 31 May 2006
Posts: 12
Helped: 1
Post01 Jun 2006 11:48   

Re: How to decrease the affect of noise in my project.
please give us more data of your project.
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Post01 Jun 2006 11:48   

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kender



Joined: 19 Jun 2005
Posts: 1231
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Location: Stanford, SF Bay Peninsula, California, Earth, Solar System, Milky Way
Post01 Jun 2006 16:39   

Re: How to decrease the affect of noise in my project.
shoufeng_luo wrote:
Hello everyone!
In my design ,the frequecy of signal is about 1MHz,but my sampling rate is 200MHz,Can someone tell me what is the effective method to decrease the affect of noise?(FIR is not realizeable).


If you can change the hardware a little, put an analog low-pass filter in front of your A/D. This will suppress the out of band noise.
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