Aliasing - Revision history

87.112.81.64: /* References */ Remoned link. resources no longer reachable.

2012-12-20T22:29:30Z

References: Remoned link. resources no longer reachable.

← Older revision		Revision as of 22:29, 20 December 2012
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	==References==		==References==
	* ~~[http://www.dsptutor.freeuk.com/aliasing/AD102.html~~ Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.		* <s>Aliasing example</s> this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.

	[[Category:Signal Processing]]		[[Category:Signal Processing]]

Pepoluan at 20:31, 15 September 2006

2006-09-15T20:31:35Z

← Older revision		Revision as of 20:31, 15 September 2006
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	* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.		* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.

	[[Category:~~Digital~~ Signal Processing]]		[[Category:Signal Processing]]

HotshotGG at 01:58, 8 September 2006

2006-09-08T01:58:14Z

← Older revision		Revision as of 01:58, 8 September 2006
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	==References==		==References==
	* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.		* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.

			[[Category:Digital Signal Processing]]

HotshotGG at 01:57, 8 September 2006

2006-09-08T01:57:38Z

← Older revision		Revision as of 01:57, 8 September 2006
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	Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[sampling rate]] (see [[Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the sampling rate (for example an input Frequency of 30kHz with a sampling rate of 44100 becomes a frequency of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).		Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[sampling rate]] (see [[Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the sampling rate (for example an input Frequency of 30kHz with a sampling rate of 44100 becomes a frequency of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).

	=~~Additional reading:~~=		==References==
	* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.		* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.

HotshotGG at 03:25, 7 July 2005

2005-07-07T03:25:48Z

← Older revision		Revision as of 03:25, 7 July 2005
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	=Additional reading:=		=Additional reading:=
	* [http://www.dsptutor.freeuk.com/aliasing/AD102.~~htm~~ Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.		* [http://www.dsptutor.freeuk.com/aliasing/AD102.html Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.

HotshotGG: added nifty java applet. I am going to find more examples to help illustrate concept better after.

2005-07-06T09:13:40Z

added nifty java applet. I am going to find more examples to help illustrate concept better after.

← Older revision		Revision as of 09:13, 6 July 2005
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	Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[sampling rate]] (see [[Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the sampling rate (for example an input Frequency of 30kHz with a sampling rate of 44100 becomes a frequency of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).		Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[sampling rate]] (see [[Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the sampling rate (for example an input Frequency of 30kHz with a sampling rate of 44100 becomes a frequency of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).

			=Additional reading:=
			* [http://www.dsptutor.freeuk.com/aliasing/AD102.htm Aliasing example] this is a java applet designed to illustrate the concept of aliasing of a sinosudial signal via visual approach.

Rjamorim: delinkage

2005-07-02T21:42:30Z

delinkage

← Older revision		Revision as of 21:42, 2 July 2005
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	Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[~~samplingrate\|~~sampling rate]] (see [[~~Nyquistrate\|~~Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the ~~[[samplingrate\|~~sampling rate]] (for example an input Frequency of 30kHz with a ~~[[samplingrate\|~~sampling rate]] of 44100 becomes a [[frequency]] of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).		Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[sampling rate]] (see [[Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the sampling rate (for example an input Frequency of 30kHz with a sampling rate of 44100 becomes a frequency of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).

Jan at 10:33, 22 March 2005

2005-03-22T10:33:35Z

New page

Aliasing occurs when a signal is samples in which there are [[frequency]] components above half the [[samplingrate|sampling rate]] (see [[Nyquistrate|Nyquist rate]]). What happens is that these frequencies are undersampled and therefor indistinguishable from frequencies below half the [[samplingrate|sampling rate]] (for example an input Frequency of 30kHz with a [[samplingrate|sampling rate]] of 44100 becomes a [[frequency]] of 44100-30000=14100Hz when the signal is reconstructed). This is similar to the effect you see when something that is rotating very fast is filmed (it can appear to be rotate backwards or very slow for example).