Earth is low pass filter, because it tends to absorbe the amblitude of the high frequency waves.
Gaussian low pass filter is a image smoothing filter which is used to smooth up a digital image...........
low pass or high pass
by combining a low-pass filter with a high-pass filter.[1]
The lowest frequency of an LC low-pass filter is zero, i.e. DC.
Butterworth filter
A: i am afraid that will take total redesign.
It doesn't.
in second order filter attenuation to the frequencies in stop band is higher then first order filters.
low pass or high pass
Does not allow high frequencies to pass through the circuit.
low pass is for subs only it tells the amp to play low frequency only dont run subs on high pass or off