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O que (quem) é LPF - definição
WIKIMEDIA DISAMBIGUATION PAGE
LPF (disambiguation)
LPF
League for Programming Freedom (Reference: org.)
Low-pass filter
![RC filter]]](https://commons.wikimedia.org/wiki/Special:FilePath/1st Order Lowpass Filter RC.svg?width=200 "RC filter]]")
![Plot of the gain of Butterworth low-pass filters of orders 1 through 5, with [[cutoff frequency]] <math>\omega_0 = 1</math>. Note that the slope is 20''n'' dB/decade where ''n'' is the filter order.](https://commons.wikimedia.org/wiki/Special:FilePath/Butterworth Filter Orders.svg?width=200 "Plot of the gain of Butterworth low-pass filters of orders 1 through 5, with [[cutoff frequency]] <math>\omega_0 = 1</math>. Note that the slope is 20''n'' dB/decade where ''n'' is the filter order.")
![dB]] decline reflects an additional half-power attenuation). [[Angular frequency]] is shown on a logarithmic scale in units of radians per second.](https://commons.wikimedia.org/wiki/Special:FilePath/Butterworth response.svg?width=200 "dB]] decline reflects an additional half-power attenuation). [[Angular frequency]] is shown on a logarithmic scale in units of radians per second.")
![A third-order low-pass filter ([[Cauer topology]]). The filter becomes a Butterworth filter with [[cutoff frequency]] ω<sub>c</sub>=1 when (for example) C<sub>2</sub>=4/3 farad, R<sub>4</sub>=1 ohm, L<sub>1</sub>=3/2 henry and L<sub>3</sub>=1/2 henry.](https://commons.wikimedia.org/wiki/Special:FilePath/LowPass3poleICauer.svg?width=200 "A third-order low-pass filter ([[Cauer topology]]). The filter becomes a Butterworth filter with [[cutoff frequency]] ω<sub>c</sub>=1 when (for example) C<sub>2</sub>=4/3 farad, R<sub>4</sub>=1 ohm, L<sub>1</sub>=3/2 henry and L<sub>3</sub>=1/2 henry.")
![The [[sinc function]], the time-domain [[impulse response]] of an ideal low-pass filter.](https://commons.wikimedia.org/wiki/Special:FilePath/Sinc function (normalized).svg?width=200 "The [[sinc function]], the time-domain [[impulse response]] of an ideal low-pass filter.")
FILTER THAT PASSES SIGNALS WITH A FREQUENCY LOWER THAN A CERTAIN CUTOFF FREQUENCY, AND ATTENUATES SIGNALS WITH HIGHER FREQUENCIES
Lowpass filter; Lowpass; Low pass filter; Treble-cut filter; Treble cut filter; High-cut filter; High cut filter; Hiss filter; Low-pass; Passive integrator circuit; Integrator circuit; Low-pass filters; LP filter; Low-Pass Filter; Low‑pass filter; Long-pass filter; Low-pass filtering
A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. The exact frequency response of the filter depends on the filter design.
Wikipédia
LPF
LPF may refer to:
- IATA code for Liupanshui Yuezhao Airport, China
- League for Programming Freedom, an organization promoting free software
- Lembaga Penapis Filem, or the Film Censorship Board of Malaysia
- Level playing field
- Libertarian Party of Florida
- Lietuvos plaukimo federacija, Lithuanian Swimming Federation
- Liga Panameña de Fútbol, a professional football league in Panama
- Liga Profesional de Fútbol, a professional football league in Argentina
- Liga Profesionistă de Fotbal, a professional football league governing body in Romania
- Light press fit, an interference fit in engineering
- Linux packet filter in computing
- LISA Pathfinder, a European Space Agency spacecraft
- Liters per flush, as shown on American urinals "1 gpf/3.7 lpf"
- Low-pass filter, type of signal filter in acoustics
- Low-power field, in microscopic examination, a wide field of view due to a low level of magnification
- Nissan Stadium (formerly LP Field), a stadium in Nashville, Tennessee; home of the Tennessee Titans
- Pim Fortuyn List, Dutch political party
Exemplos do corpo de texto para LPF
1. Article continues There was speculation in The Hague last night that Mr Balkenende would carry on as the head of a minority administration until the end of the year, supported by the hard–right LPF party.