* A " time-invariant " filter has constant properties over time ; other filters such as adaptive filters change in time.

* Least mean squares filter, an adaptive filter algorithm for digital signal processing

Examples of algorithms are the Fast Fourier transform ( FFT ), finite impulse response ( FIR ) filter, Infinite impulse response ( IIR ) filter, and adaptive filters such as the Wiener and Kalman filters.

Furthermore, one can readily modify the coefficients of a digital filter to make an adaptive filter or a user-controllable parametric filter.

This 1984 Software Radio was a digital baseband receiver that provided programmable interference cancellation and demodulation for broadband signals, typically with thousands of adaptive filter taps, using multiple array processors accessing shared memory.

An adaptive filter is a filter that self-adjusts its transfer function according to an optimization algorithm driven by an error signal.

The adaptive filter uses feedback in the form of an error signal to refine its transfer function to match the changing parameters.

Generally speaking, the adaptive process involves the use of a cost function, which is a criterion for optimum performance of the filter, to feed an algorithm, which determines how to modify filter transfer function to minimize the cost on the next iteration.

To circumvent this potential loss of information, an adaptive filter could be used.

Such an adaptive technique generally allows for a filter with a smaller rejection range, which means, in our case, that the quality of the output signal is more accurate for medical diagnoses.

The block diagram, shown in the following figure, serves as a foundation for particular adaptive filter realisations, such as Least Mean Squares ( LMS ) and Recursive Least Squares ( RLS ).

* Multidelay block frequency domain adaptive filter

* Kernel adaptive filter

* Multidelay block frequency domain adaptive filter

* Mail — A mail client with an adaptive spam mail filter.

Standard features of all Maybach models include, but are not limited to, a navigation system with voice recognition, air conditioning with 4-zone climate controls, power rear sunshade, rear-seat DVD entertainment system, interior air filter, front and rear seat massage, 21-speaker premium sound system, power tilt / telescopic heated wood / leather-wrapped steering wheel with radio and climate controls, power trunk open / close, voice-activated AM / FM radio with 10-disc CD changer, keyless start, heated front and rear seats, cooled front seats, power panoramic sunroof, adaptive cruise control, premium leather upholstery, 18-way power front seats, 14-way power rear seats, heated cupholders, rearview camera, iPod adapter, wireless cell phone link, outside-temperature indicator, universal garage door opener, and night vision.

Standard features of all models include, but are not limited to: a navigation system with voice recognition ; air conditioning with 4-zone climate controls ; power rear sunshade ; rear-seat DVD entertainment system ; interior air filter ; front and rear seat massage ; 21-speaker premium sound system ; power tilt / telescopic heated wood / leather-wrapped steering wheel with radio and climate controls ; power trunk open / close ; voice-activated AM / FM radio with 10-disc CD changer ; keyless start ; heated front and rear seats ; cooled front seats ; power panoramic sunroof ; adaptive cruise control ; premium leather upholstery ; 18-way power front seats ; 14-way power rear seats ; heated cupholders ; rearview camera ; iPod adapter ; wireless cell phone link ; outside-temperature indicator ; universal garage door opener ; night vision.

* Recursive least squares filter, an adaptive filter algorithm for digital signal processing

In this sense, during the period in which hominids ( i. e. Homo Erectus ) were gradually losing their straight body hair and thereby exposing the initially pale skin underneath their fur to the sun, straight hair would have been an adaptive liability as hominoids traveled farther from Africa or The Equator.

He wanted to create an instrument that would be the most powerful and vocal of the woodwinds, and the most adaptive of the brass — that would fill the vacant middle ground between the two sections.

Much of the chapter responds to George Jackson Mivart's criticisms, including his claim that features such as baleen filters in whales, flatfish with both eyes on one side and the camouflage of stick insects could not have evolved through natural selection because intermediate stages would not have been adaptive.

This " inadaptive phase " ( by genetic drift ) would then ( by natural selection ) drive a deme population from one stable adaptive peak to another on the adaptive fitness landscape.

Active camouflage ( or adaptive camouflage ) is a group of camouflage technologies which would allow an object ( usually military in nature ) to blend into its surroundings by use of panels or coatings capable of changing color or luminosity.

The ultimate aim would be to help people to engage in a personally satisfying and socially adaptive range of occupations.

Anthropologist John D. Hawks expresses the view that rather than explaining human traits simply and parsimoniously, it actually requires two explanations for each trait-first that proximity to water drove human evolution enough to significantly change the human phenotype and second that there was significant evolutionary pressure beyond mere phylogenetic inertia to maintain these traits ( which would not be adaptive on dry land ) and points out that exaptation is not an adequate reply.

Under adaptive expectations, if the economy suffers from constantly rising inflation rates ( perhaps due to government policies ), people would be assumed to always underestimate inflation.

Presumably, food was scarce during most of human prehistory, and a tendency toward low mood during the winter months would have been adaptive by reducing the need for calorie intake.

This detailed action plan consists of numerous adaptive management strategies, including reducing our carbon footprint, which would ultimately reduce the amount of ocean acidification in the oceans surrounding the Great Barrier Reef.

In a 1932 paper he introduced the concept of an adaptive landscape in which phenomena such as cross breeding and genetic drift in small populations could push them away from adaptive peaks, which would in turn allow natural selection to push them towards new adaptive peaks.

This form of the attack was the first one commonly discussed: obviously, if the attacker has the ability to make adaptive chosen ciphertext queries, no encrypted message would be safe, at least until that ability is taken away.

If Ishi were descended from both of the tribes and grew up with members of both, it may help explain his adaptive abilities, as his circumstances, essentially from birth, would have been different from the cultural norm of his people.

He is often incorrectly cited as the founder of soft inheritance, which proposes that individual efforts during the lifetime of the organisms were the main mechanism driving species to adaptation, as they supposedly would acquire adaptive changes and pass them on to offspring.

The authors expressed concern that participant-observer bias would need to be assessed and addressed in order to ensure the reliability of adaptive designs.

In August 2011, Apollo group announced it would buy 100 % of Carnegie Learning to accelerate its efforts to incorporate adaptive learning into its academic platform.

However, in the case where the compound distribution is not well-known, it may not be easy to sample from, since it generally will not belong to the exponential family and typically will not be log-concave ( which would make it easy to sample using adaptive rejection sampling, since a closed form always exists ).

An adaptive secondary mirror is being developed by NOAO for Gemini ; this would provide reasonable adaptive-optics corrections ( equivalent to natural seeing at the 20th-percentile level 80 % of the time ) to all instruments on the telescope to which it is attached.

If a patient is delayed in the adaptive behavior domain, for instance, then interventions would be recommended to target specific delays through additional education and practice ( e. g., practiced instruction on tying shoelaces ), giving reminders, or making accommodations ( e. g., using slip-on shoes ) to support the desired functioning level.

When lifeforms take such giant leaps, they meet little to no competition and are able to exploit a plethora of available niches, following a pattern of adaptive radiation.

The original ones, proposed by Robert Schapire ( a recursive majority gate formulation ) and Yoav Freund ( boost by majority ), were not adaptive and could not take full advantage of the weak learners.

Positioned above the atmosphere, Hubble avoids atmospheric airglow allowing it to take more sensitive visible and ultraviolet light images than can be obtained with seeing-limited ground-based telescopes ( when good adaptive optics correction at visible wavelengths becomes possible, 10 m ground-based telescopes may become competitive ).

Many parameters that were static ( which required server reboot for the changes to take place ) have been made dynamic ( Changes will take effect immediately ) ensuring better performance of the adaptive server with comparably less down time.

In contrast, rationalization alone cannot effectively clarify the dynamics of self-deception, as reason is just one adaptive form mental processes can take.

While this adaptive duplex scheme was able to send large files quickly, for users accustomed to having the distant computer echo characters, the delay associated with having the DSPs take turns using the bandwidth tended make interactive typing difficult, as there could be as much as a second and a half delay for a single character echo.

The firm became well known during the 1980s for extending this creative take on architecture through significant national projects, some of which were prominent adaptive uses while others were new buildings.

A transition to an adaptive immune response will take place in the dental pulp as the caries and bacteria approach the pulp.

Seagate calls this adaptive memory and claims it removes the OS, driver, and software dependency previously required to take advantage of the integrated flash memory.