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Die Impulsinvarianz-Transformation (Impulsinvariante-Transformation, IIR) ist ein mathematisches Verfahren (eine systemantwortinvariante Transformation) und dient zur Synthese zeitdiskreter, hauptsächlich digitaler Filter.
, 冲激不变法是利用连续时间滤波器来设计离散时间无限冲激响应（IIR）滤波器的一种方法，这种方法中对连续时间系统的冲激响应进行采样以产生离散时间系统的冲激响应。离散时间系统的频率响应就会是连续时间系统的频率响应的位移后的拷贝之和；如果连续时间系统的频带大致限制在小于采样的奈奎斯特频率的范围内，则离散时间系统的频率响应会大致与连续系统的频带相同，低于奈奎斯特频率。
, De impulsinvariante methode is een ontwerp … De impulsinvariante methode is een ontwerpmethode voor digitale filters. De methode vertrekt van een analoog filter, waarvan de impulsrepons bemonsterd wordt. De methode is onderhevig aan aliasing en is enkel geschikt voor laagdoorlaat- en banddoorlaatfilters, zonder rimpel in de stopband. Een algemener toepasbare ontwerpmethode voor digitale filters die ook vertrekt van een analoog filter is de bilineaire transformatie.oog filter is de bilineaire transformatie.
, Impulse invariance is a technique for desi … Impulse invariance is a technique for designing discrete-time infinite-impulse-response (IIR) filters from continuous-time filters in which the impulse response of the continuous-time system is sampled to produce the impulse response of the discrete-time system. The frequency response of the discrete-time system will be a sum of shifted copies of the frequency response of the continuous-time system; if the continuous-time system is approximately band-limited to a frequency less than the Nyquist frequency of the sampling, then the frequency response of the discrete-time system will be approximately equal to it for frequencies below the Nyquist frequency.r frequencies below the Nyquist frequency.
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Impulse invariance is a technique for desi … Impulse invariance is a technique for designing discrete-time infinite-impulse-response (IIR) filters from continuous-time filters in which the impulse response of the continuous-time system is sampled to produce the impulse response of the discrete-time system. The frequency response of the discrete-time system will be a sum of shifted copies of the frequency response of the continuous-time system; if the continuous-time system is approximately band-limited to a frequency less than the Nyquist frequency of the sampling, then the frequency response of the discrete-time system will be approximately equal to it for frequencies below the Nyquist frequency.r frequencies below the Nyquist frequency.
, De impulsinvariante methode is een ontwerp … De impulsinvariante methode is een ontwerpmethode voor digitale filters. De methode vertrekt van een analoog filter, waarvan de impulsrepons bemonsterd wordt. De methode is onderhevig aan aliasing en is enkel geschikt voor laagdoorlaat- en banddoorlaatfilters, zonder rimpel in de stopband. Een algemener toepasbare ontwerpmethode voor digitale filters die ook vertrekt van een analoog filter is de bilineaire transformatie.oog filter is de bilineaire transformatie.
, 冲激不变法是利用连续时间滤波器来设计离散时间无限冲激响应（IIR）滤波器的一种方法，这种方法中对连续时间系统的冲激响应进行采样以产生离散时间系统的冲激响应。离散时间系统的频率响应就会是连续时间系统的频率响应的位移后的拷贝之和；如果连续时间系统的频带大致限制在小于采样的奈奎斯特频率的范围内，则离散时间系统的频率响应会大致与连续系统的频带相同，低于奈奎斯特频率。
, Die Impulsinvarianz-Transformation (Impulsinvariante-Transformation, IIR) ist ein mathematisches Verfahren (eine systemantwortinvariante Transformation) und dient zur Synthese zeitdiskreter, hauptsächlich digitaler Filter.
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Impulsinvarianz-Transformation
, 冲激不变法
, Impulsinvariante methode
, Impulse invariance
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