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Page "Bandwidth (signal processing)" ¶ 12
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If and filter
If we wish to implement this filter as a digital filter, we can apply the bilinear transform by substituting for the formula above ; after some reworking, we get the following filter representation:
If a filter is implemented using, for instance, biquad stages using op-amps, N / 2 stages will be needed.
If very small amounts of solution are involved, most of the solution may be soaked up by the filter medium.
If the example filters were required to match the case of the attribute value, an extensible match filter must be used, for example,
If a person ‘ synthesizes ’ a ‘ jet plane landing ’ sound, this is achieved mostly by altering the shape of the mouth to filter the white noise into pink noise by removing the higher frequencies.
If F is a linear function, for instance a filter whose gain and / or delay varies with frequency, then the signal will experience linear distortion.
If λ < sub > c </ sub > is the central wavelength, λ < sub > 0 </ sub > is the central wavelength at normal incidence, and n < sup >*</ sup > is the filter effective index of refraction, then:
If the channel frequency response is flat and the shaping filter has a finite bandwidth, it is possible to communicate with no ISI at all.
If toner spills into the laser printer, a special type of vacuum cleaner with an electrically conductive hose and a high efficiency ( HEPA ) filter may be needed for effective cleaning.
If the transfer function of a first-order low-pass filter has a zero as well as a pole, the Bode plot will flatten out again, at some maximum attenuation of high frequencies ; such an effect is caused for example by a little bit of the input leaking around the one-pole filter ; this one-pole – one-zero filter is still a first-order low-pass.
If the filter response changes linearly with frequency, the final analog output will be proportional to the input frequency, as desired.
If the chosen anti-aliasing filter ( a low-pass filter in this case ) has a transition band of 2000 Hz, then the cut-off frequency should be ≤ 20050 Hz to yield a signal with negligible power at frequencies ≥ 22050 Hz and complete pass of frequencies ≤ 20 kHz ( within the human hearing range ).
If the resulting filter is not causal, it can be made causal by introducing an appropriate time-shift ( or delay ).
If the filter is a part of a larger system ( which it normally is ) these types of delays have to be introduced with care since they affect the operation of the entire system.
If the filter has many coefficients, for example in the case of multidimensional signals such as tomography data, it may be relevant to reduce the number of coefficients by removing those which are sufficiently close to zero.
If the coefficients are symmetrical ( the usual case ), then such a filter is linear phase, so it delays signals of all frequencies equally.
If a precise localization is requested, we need a filter of small width in the signal domain and, via the uncertainty principle, its width in the frequency domain cannot be arbitrary small.
If a spam filter keeps a whitelist, mail from the listed email addresses, domains, and / or IP address will always be allowed.
If it is not exclusive, it prevents email from being deleted or sent to the junk mail folder by the spam filter.

If and shows
If he sees the heroic in a Sartoris or a Sutpen, he sees also -- and he shows -- the blind and the mean, and he sees the Compson family disintegrating from within.
If your computation on Form 1040 or Form 1040A shows you owe additional tax, it should be remitted with your return unless you owe less than $1, in which case it is forgiven.
If a lot of rust shows in the drain, use a good flushing cleaner.
If we consider a process in which the outcome of one stage is known before passage to the next, then the principle of optimality shows that the policy in subsequent stages should be optimal with respect to the outcome of the first.
If Rock shows up during the number -- or you hear anything -- give me the signal ''.
If Couperin shows the fashionable trend, the others do so all the more.
If a sheet is for a single day, it easily shows the date and the weekday.
If a sheet is for multiple days it shows a conversion table to convert from weekday to date and back.
If a subject after submitting to the hypnotic procedure shows no genuine increase in susceptibility to any suggestions whatever, there seems no point in calling him hypnotised, regardless of how fully and readily he may respond to suggestions of lid-closure and other superficial sleeping behaviour.
Clark L. Hull, probably the first major empirical researcher in the field, wrote If a subject after submitting to the hypnotic procedure shows no genuine increase in susceptibility to any suggestions whatever, there seems no point in calling him hypnotised ...
If an inductor is connected to a direct current source with value I via a resistance R, and then the current source is short-circuited, the differential relationship above shows that the current through the inductor will discharge with an exponential decay:
If A attempts to support his position with an argument that shows that the law ought to allow him to do the thing in question, then he is guilty of ignoratio elenchi.
If S contains two elements that are not pairwise orthogonal ( in particular, the set of all quantum states includes such pairs ) then an argument like that given above shows that the answer is no.
If there are p of these parts of the rope supporting the load W, then a force balance on the moving block shows that the tension in each of the parts of the rope must be W / p.
If ... a Jew shows himself in the street during the three days of the Katel ( Muharram )…, he is sure to be murdered.
If the fingers are already flexed, then a solid bullet shows that they squeeze.
If mass is used, specific impulse is an impulse per unit mass, which dimensional analysis shows to be a unit of speed, and so specific impulses are often measured in meters per second and are often termed effective exhaust velocity.
They played shows on Aruba, Curaçao and Sint Maarten In between they recorded a new single ; Macho, released in January 1984, a resentment of lad culture from the viewpoint of a man who grew up as part of an otherwise all-female offspring (" If I only was a woman, we'd be knitting together ").
If it is a low-level debugger or a machine-language debugger it shows the line in the disassembly ( unless it also has online access to the original source code and can display the appropriate section of code from the assembly or compilation ).
If testing shows that parent is a CFTR gene mutation carrier, the other parent is tested to calculate the risk that their children will have CF.
If denotes the polarization vector of the wave exiting the waveplate, then this expression shows that the angle between and is − θ.
If one puts a detector screen on the other side, the pattern of detected particles shows interference fringes characteristic of waves ; however, the detector screen responds to particles.
If there is an eclipse of the sun or of the moon, they shout with still louder outcries, beating the ground, skins, or mats with sticks, which shows their concerns and uneasiness.
If there are neurological symptoms, magnetic resonance imaging ( MRI ) of the brain is usually performed ; this shows hyperintensities in the part of the brain called the basal ganglia in the T2 setting.

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