Global Information Lookup Global Information

Filter factor information


In photography, filter factor refers to the multiplicative amount of light a filter blocks.

and 20 Related for: Filter factor information

Request time (Page generated in 0.918 seconds.)

Filter factor

Last Update:

photography, filter factor refers to the multiplicative amount of light a filter blocks. The table below illustrates the relationship between filter factor, the...

Word Count : 392

Elliptic filter

Last Update:

elliptic filter (also known as a Cauer filter, named after Wilhelm Cauer, or as a Zolotarev filter, after Yegor Zolotarev) is a signal processing filter with...

Word Count : 6107

Butterworth filter

Last Update:

The Butterworth filter is a type of signal processing filter designed to have a frequency response that is as flat as possible in the passband. It is also...

Word Count : 4194

Q factor

Last Update:

has an infinite quality factor. More generally, the output of a second-order low-pass filter with a very high quality factor responds to a step input...

Word Count : 3913

Active filter

Last Update:

response, the Q (quality factor), and the tuned frequency can often be set with inexpensive variable resistors. In some active filter circuits, one parameter...

Word Count : 1293

Prototype filter

Last Update:

utility of a prototype filter comes from the property that all these other filters can be derived from it by applying a scaling factor to the components of...

Word Count : 2573

Kalman filter

Last Update:

For statistics and control theory, Kalman filtering, also known as linear quadratic estimation, is an algorithm that uses a series of measurements observed...

Word Count : 20521

Bessel filter

Last Update:

Compared to finite-order approximations of the Gaussian filter, the Bessel filter has better shaping factor, flatter phase delay, and flatter group delay than...

Word Count : 3009

Electronic filter

Last Update:

Electronic filters are a type of signal processing filter in the form of electrical circuits. This article covers those filters consisting of lumped electronic...

Word Count : 1599

State variable filter

Last Update:

configuration. It is essentially used when precise Q factor is required, as other multi-order filters are unable to provide. The most common implementation...

Word Count : 500

Crystal filter

Last Update:

and its high Q factor allow crystal filters to have precise center frequencies and steep band-pass characteristics. Typical crystal filter attenuation in...

Word Count : 584

Sinc filter

Last Update:

cascaded integrator–comb filter). This filter can be used for crude but fast and easy downsampling (a.k.a. decimation) by a factor of N . {\displaystyle...

Word Count : 1284

Chebyshev filter

Last Update:

Chebyshev filters are analog or digital filters that have a steeper roll-off than Butterworth filters, and have either passband ripple (type I) or stopband...

Word Count : 11986

Bloom filter

Last Update:

A Bloom filter is a space-efficient probabilistic data structure, conceived by Burton Howard Bloom in 1970, that is used to test whether an element is...

Word Count : 10756

Wratten number

Last Update:

numbers and some of their uses include: Filter factor Filter (photography) Filter (optics) "Kodak Wratten numbered filters offered by Tiffen". Tiffen. Archived...

Word Count : 656

RLC circuit

Last Update:

band-pass filter, band-stop filter, low-pass filter or high-pass filter. The tuning application, for instance, is an example of band-pass filtering. The RLC...

Word Count : 6606

Recursive least squares filter

Last Update:

Recursive least squares (RLS) is an adaptive filter algorithm that recursively finds the coefficients that minimize a weighted linear least squares cost...

Word Count : 2407

Filter bank

Last Update:

In signal processing, a filter bank (or filterbank) is an array of bandpass filters that separates the input signal into multiple components, each one...

Word Count : 5908

RF and microwave filter

Last Update:

also be used to make filters. The unloaded quality factor of the resonators being used will generally set the selectivity the filter can achieve. The book...

Word Count : 947

Upsampling

Last Update:

upsampling factor, where L > M. Upsample by a factor of L Downsample by a factor of M Upsampling requires a lowpass filter after increasing the data rate, and downsampling...

Word Count : 1424

PDF Search Engine © AllGlobal.net