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Effective date : Methods for digital FIR signal processing and methods for digital IIR signal processing are already described in the literature. FIR filters have a number of important advantages: 1 They are stable; 2 do not branch parasitic non-linear natural oscillations limit cycles, hysteresis effects ; 3 Filter noise performance is usually much less than in the IIR filters. A disadvantage of the FIR filters is that they require much larger numbers of operations than IIR filters for the identical requirements to the amplitude frequency characteristic.

Purpose of the invention is the reduction of the mentioned disadvantage in the maintenance of the mentioned advantages. The Invention belongs to the basic electronic circuits, and in particular the networks with digital techniques.

In the literature eg, Signal Processors, Dr. Doblinger, , p. FIR filter have a number of important benefits: 1 they are always stable; 2 show no parasitic nonlinear Natural oscillations limit cycles, hysteresis effects ; 3 Filter noise performance is usually much less than in the IIR filters. One Disadvantage of the FIR filters is that with the identical Demands to the amplitude frequency characteristic, they much the greater number of operations as IIR filters.

The Invention will be explained with reference to the single figure. The transfer function of a digital system is a rational function for the general case IIR. The factor corresponds to the simple real pole. We will limit the number of summands to expressions 2 , 3.

In order to neglect the error of stunting, we will choose the sufficiently large number the tens, hundreds of the summands. Let the number of summands be , then:. In fairness of equation 4 one can convince oneself by multiplying the factors in the right part.

What is the equation 4 interesting for? The realization of the left part of equation 4 requires the execution of operations of multiplication and operations of pair addition 1a. The realization of the right part of equation 4 requires the execution of 7 operations of multiplication and 7 operations of pair addition 1b. By analogy with equation 4 we will record:.

There is also another form of recording the rational function in the case of simple poles:. It is necessary to choose that circuit which demands the smaller number of operations. Method of digital signal processing based on the realization in cascade form or parallel form with sufficient accuracy the transfer function.

DE DEA1 en Digital signal e. DEA1 en. Fundamental electronic circuit, particularly Goertzel-finite impulse response-filter, has identical cascade-switched filters starting with transfer function, where each filter consists of cascade-switched sections with transmission function.

WOA1 en. Method and device in a transposed digital fir filter for multiplication of a binary input signal with filter coefficient and method for designing a digital transposed filter. Digital filter design method and device, digital filter design program, and digital filter.

Schlembach Fachverlag,Weil der Stadt, ,S. Shi et al. Design of linear phase FIR filters with high probability of achieving minimum number of adders. Ahmed et al. Galton et al. DET2 en. JPB2 en.

Complex exponential modulation filter bank signal analysis method, signal synthesis method, program thereof, and recording medium thereof. Tao et al. On sampling of band-limited signals associated with the linear canonical transform.

Mohanty et al. A high-performance FIR filter architecture for fixed and reconfigurable applications. Claasen et al. Cheng et al. USA en. Kormylo et al. Powell et al. Bhandari et al. Chilo et al. USB1 en. USA1 en. Deng et al. SVD-based design and new structures for variable fractional-delay digital filters. Operations on delta-modulated signals and their application in the realization of digital filters.

Julian et al. A comparative study of sound localization algorithms for energy aware sensor network nodes.


Entstörung von Sprachsignalen

Conversion of phonological representations into acoustical parameters for a concept-to-speech. Linear signal spaces are of great importance in signal and system theory as well as for modern. This thesis proposes a time-frequency TF analysis of linear signal. Linear signal. This new viewpoint is based mathematically on the introduction of the Wigner.


Signalprozessoren: Architekturen, Algorithmen, Anwendungen (Livre en allemand)

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Signalprozessoren von Gerhard Doblinger (2004, Kunststoffeinband)



ISBN 13: 9783935340434


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