low-pass filter (redirected fromLowpass) Thesaurus Medical Encyclopedia low-pass filter (lō′păs′) n. A filter designed to transmit electromagnetic frequencies below a certain value, while excluding those of a higher frequency. American Heritage® Dictionary of the English Language, Fifth Editio...
在光學影像取樣(如數位相機的感光元件)中,抗混疊濾波器也稱為光學低通濾波器(Optical low-pass filter)、模糊濾鏡(Blur filter)或AA濾波器。 LASER-wikipedia2 Filtering: low- and high-pass filters, ideal filter, Butterworth filter, exponential filter, trapezoidal filter etc., smoothing 滤波:低通和高通...
Low-pass filter From Wikipedia, the free encyclopedia A low-pass filter is a filter that passes low-frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to ...
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The functions of a low-pass filter as seen in the filter found in the Nikon D800.Illustration by Nikon. By ever-so-slightly blurring the ultra-fine details of a scene, low-pass filters became ubiquitous in digital cameras as the solution to moiré. ...
http://en.wikipedia.org/wiki/Sallen%E2%80%93Key_topology A low-pass filter, which is implemented with a Sallen–Key topology, withfc=15.9 kHz andQ= 0.5 这个电路是一个单位增益的电路,改变Sallen-Key 滤波器的增益同时就改变了滤波器的幅频特性和类型。
Twitter Google Share on Facebook LPP (redirected fromLow-Pass Prototype) Category filter: AcronymDefinition LPPLow Pressure Pipe(soil absorption system) LPPLate Positive Potential(neurology) LPPLinear Programming Problem(mathematics) LPPLocal Planning Policy(Australia) ...
I'm trying to implement a low-pass filter for an iphone app where I record a sound and then it gets played back slightly muffled; like the voice is coming from another room. I've looked into the different options for audio recording and manipulation and have found it a bit confusing.....
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