Filtre anti-repliement (anti-aliasing). Il est inutile et même nuisible d’imposer à un système de TNS des signaux dont les variations seraient plus rapides que ce. French term or phrase: filtre anti-repliement. This term crops up in a text on noise emissions in conjunction with an EU project. The “filter” is part. The categories of this image should be checked. Check them now! Remove redundant categories and try to put this image in the most specific.
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WO2011063461A1 – Filtre anti-repliement à deux degrés de liberté – Google Patents
Post Your ideas for ProZ. Furthermore, because some noise is averaged out, the higher sampling rate can moderately improve SNR. In the case of optical image sampling, as by image sensors in digital filrtethe anti-aliasing filter is also known as an optical low-pass filter OLPFblur filteror AA filter.
For signals that are bandwidth limited, but gepliement centered at zero, a band-pass filter can be used as an anti-aliasing filter.
Generalizations of the Nyquist—Shannon sampling theorem allow sampling of other band-limited passband signals instead of baseband signals.
Vote Promote or demote ideas. The “filter” is part of a measuring system made up of displacement transducers, incremental encoders, signal conditioners and a PC which includes 25 Hz dual-input filters that are described as “anti-repliement”.
A realizable anti-aliasing filter will typically either permit some aliasing to occur or else attenuate some in-band frequencies close to the Nyquist limit. It is very important to avoid input signal overload when using an anti-aliasing filter.
Peer comments on this answer and responses from the answerer.
Retrieved from ” https: Automatic update in The choice of spot separation for such a filter involves a tradeoff among sharpness, aliasing, and fill factor the ratio of the active refracting area of a microlens array to the total contiguous area occupied by the array.
This was also “my” answer and I needed confirmation of someone in the field.
Often, an anti-aliasing filter is a znti filter ; this is not a requirement, however. You can request verification for native languages by completing a simple application that takes only a couple of minutes.
Views Read Edit View history. An anti-aliasing filter is a low-pass filter that accomplishes fepliement. Login or register free and only takes a few minutes to participate in this question. A technique known as oversampling is commonly used in audio ADCs.
WOA1 – Filtre anti-repliement à deux degrés de liberté – Google Patents
When distortion due to clipping occurs after the anti-aliasing filter, it can create components outside the passband of the anti-aliasing filter; these components can then alias, diltre the reproduction of other non- harmonically related frequencies.
Detection theory Discrete signal Estimation theory Nyquist—Shannon sampling theorem. How does one select the right filter? Anti-aliasing filters are commonly used at the input of digital signal processing system’s analog to digital converter ; similar filters are used as reconstruction filters at the output of such systems, for example in music players.
Reviewing applications can be fun and only takes a few minutes. The user can turn the vibration on or off, selecting anti-aliasing or no anti-aliasing. You will also have access to many other tools and opportunities designed for those who have language-related jobs or are passionate about them. This page was last edited on 17 Decemberat The mathematics of sampling in two spatial ahti is similar to the mathematics of time-domain sampling, but the filter implementation technologies are different.
Industrial and Scientific Conference Management, Inc. Return to KudoZ list. View Ideas submitted filfre the community. French PRO pts in category: This term crops up in a text on noise emissions in conjunction with an EU project.
By oversampling by 2. Grading comment 4 KudoZ points were awarded for this answer. The idea is to use a higher intermediate digital sample rate, so that a nearly ideal digital filter can sharply cut off aliasing near the original low Nyquist frequency and give better phase responsewhile a much simpler analog filter can stop filtrw above the new higher Nyquist frequency.
Anti-Aliasing – [ Traduire cette page ] Filter Basics: French term or phrase: Bayer filter cameras, an additional filter is generally needed to reduce aliasing to an acceptable level. I think I know the answer to this from googling on the web but it would be nice if someone with technical knowledge could confirm. Scientific photography and applied imaging. An anti-aliasing filter AAF is a filter used before a signal sampler to restrict the bandwidth of a signal to approximately or completely satisfy the sampling theorem over the band of interest.
Close and don’t show again Close. Term search Jobs Translators Clients Forums. You have native languages that can be verified You can request verification for native languages by completing a simple application that takes repliemen a couple of minutes. Alternatively, a signal may be intentionally oversampled without an intermediate frequency to reduce the requirements on the anti-alias filter.
You should have given confidence of 5: