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- Goertzel_algorithm abstract "The Goertzel algorithm is a Digital Signal Processing (DSP) technique that provides a means for efficient evaluation of individual terms of the Discrete Fourier Transform (DFT), thus making it useful in certain practical applications, such as recognition of DTMF tones produced by the buttons pushed on a telephone keypad. The algorithm was first described by Gerald Goertzel in 1958.Like the DFT, the Goertzel algorithm analyses one selectable frequency component from a discrete signal. Unlike direct DFT calculations, the Goertzel algorithm applies a single real-valued coefficient at each iteration, using real-valued arithmetic for real-valued input sequences. For covering a full spectrum, the Goertzel algorithm has a higher order of complexity than Fast Fourier Transform (FFT) algorithms; but for computing a small number of selected frequency components, it is more numerically efficient. The simple structure of the Goertzel algorithm makes it well suited to small processors and embedded applications, though not limited to these.The Goertzel algorithm can also be used "in reverse" as a sinusoid synthesis function, which requires only 1 multiplication and 1 subtraction per generated sample.".
- Goertzel_algorithm wikiPageExternalLink goertzel-filter.
- Goertzel_algorithm wikiPageExternalLink A-DSP-algorithm-for-frequency-analysis.
- Goertzel_algorithm wikiPageExternalLink 02Sirin-txt.
- Goertzel_algorithm wikiPageID "2133529".
- Goertzel_algorithm wikiPageRevisionID "601973751".
- Goertzel_algorithm hasPhotoCollection Goertzel_algorithm.
- Goertzel_algorithm subject Category:Digital_signal_processing.
- Goertzel_algorithm subject Category:FFT_algorithms.
- Goertzel_algorithm type Abstraction100002137.
- Goertzel_algorithm type Act100030358.
- Goertzel_algorithm type Activity100407535.
- Goertzel_algorithm type Algorithm105847438.
- Goertzel_algorithm type Event100029378.
- Goertzel_algorithm type FFTAlgorithms.
- Goertzel_algorithm type Procedure101023820.
- Goertzel_algorithm type PsychologicalFeature100023100.
- Goertzel_algorithm type Rule105846932.
- Goertzel_algorithm type YagoPermanentlyLocatedEntity.
- Goertzel_algorithm comment "The Goertzel algorithm is a Digital Signal Processing (DSP) technique that provides a means for efficient evaluation of individual terms of the Discrete Fourier Transform (DFT), thus making it useful in certain practical applications, such as recognition of DTMF tones produced by the buttons pushed on a telephone keypad. The algorithm was first described by Gerald Goertzel in 1958.Like the DFT, the Goertzel algorithm analyses one selectable frequency component from a discrete signal.".
- Goertzel_algorithm label "Algoritmo di Goertzel".
- Goertzel_algorithm label "Goertzel algorithm".
- Goertzel_algorithm label "Goertzel-Algorithmus".
- Goertzel_algorithm label "Алгоритм Гёрцеля".
- Goertzel_algorithm sameAs Goertzel-Algorithmus.
- Goertzel_algorithm sameAs Algoritmo_di_Goertzel.
- Goertzel_algorithm sameAs m.06p92b.
- Goertzel_algorithm sameAs Q1472192.
- Goertzel_algorithm sameAs Q1472192.
- Goertzel_algorithm sameAs Goertzel_algorithm.
- Goertzel_algorithm wasDerivedFrom Goertzel_algorithm?oldid=601973751.
- Goertzel_algorithm isPrimaryTopicOf Goertzel_algorithm.