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In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value. These values may be expressed as ratios or, equivalently, as percentages with respect to a given reference value. In analog electronics and digital electronics, these percentages are commonly the 10% and 90% (or equivalently 0.1 and 0.9) of the output step height: however, other values are commonly used. For applications in control theory, according to , p. 158), rise time is defined as "the time required for the response to rise from x% to y% of its final value", with 0% to 100% rise time common for underdamped second order systems, 5% to 95% for critically damped and 10% to 90% for overdamped ones. According to , p. 22

Attributes	Values
rdf:type	yago:WikicatTransientResponseCharacteristics yago:Abstraction100002137 yago:Cognition100023271 yago:Concept105835747 yago:Content105809192 yago:Feature105849789 yago:Idea105833840 yago:Property105849040 yago:PsychologicalFeature100023100 sports event
rdfs:label	Anstiegs- und Abfallzeit (de) Trantsizio-denbora (eu) Tempo di salita (it) Rise time (en) Czas narastania (pl) 上昇時間 (zh)
rdfs:comment	Unter Anstiegszeit und Abfallzeit (englisch rise time und fall time) versteht man in der Digitaltechnik und der Messtechnik die Zeit, die ein Pegelwechsel eines (idealerweise) rechteckförmigen Signals real benötigt, um seinen Signalpegel zwischen zwei definierten Zwischenwerten (üblich sind 10 % und 90 %) zu ändern. Die Zeiten werden durch die endliche Grenzfrequenz der beteiligten Schaltelemente und Übertragungswege verursacht. (de) Trantsizio-denbora sistema dinamiko bati sarrerako seinale egonkor bat ezartzen zaionean, bi egoera egonkorren artean behar duen denborari deritzo. Horrexegatik, bi trantsizio-denbora daude: * : OFF-ON trantsizio-denbora. Ate logiko baten irteerako tentsioaren da. * : ON-OFF trantsizio denbora. Ate logiko baten irteerako tentsioaren da. (eu) Il tempo di salita, noto anche come rise time, nell'ambito del controllo ottimo, e più in generale dei controlli automatici e dei sistemi dinamici, è un indice della velocità di risposta del controllo. Come tempo di salita si intende il tempo necessario al sistema per variare dal 10% al 90% del valore di regime dello stesso; l'uscita deve raggiungere tale valore senza compiere oscillazioni. In termini matematici si ha: , dove (definito il sistema come sys): (it) Czas narastania – czas, w ciągu którego sygnał wyjściowy układu osiąga (najczęściej) od 10% do 90% wartości tego sygnału w stanie ustalonym. Jest miarą jakości dynamicznej odpowiedzi skokowej otwartego lub zamkniętego układu automatyki. (pl) 在電子學中，若要描述一電路在電壓（或电流）阶跃函数下的反應，可用上昇時間（rise time）表示。上昇時間是信號從特定低準位上昇到特定高準位需要的時間，值可以用相對參考輸入的比率或是百分比來表示。在模拟电路中，其較低百分比及較高百分比多半會是輸出阶跃高度的10%及90%（或0.1及0.9）。不過，也常會使用其他的值若是在控制理論中，依照, p. 158)，上昇時間定義為「響應從終值的x%上昇到y%所需要的時間」，若是欠阻尼的二階系統，常會以0%至100%的上昇時間為準，若是臨界阻尼系統，則會是5%至95%的，過阻尼系統會是10%到90%的上昇時間。依照, p. 22)，上昇時間可以用在階躍上昇或是階躍下降的階躍響應，不過階躍下降的場合，有時也會稱是下降時間。， (zh) In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value. These values may be expressed as ratios or, equivalently, as percentages with respect to a given reference value. In analog electronics and digital electronics, these percentages are commonly the 10% and 90% (or equivalently 0.1 and 0.9) of the output step height: however, other values are commonly used. For applications in control theory, according to , p. 158), rise time is defined as "the time required for the response to rise from x% to y% of its final value", with 0% to 100% rise time common for underdamped second order systems, 5% to 95% for critically damped and 10% to 90% for overdamped ones. According to , p. 22 (en)
dcterms:subject	Computational mathematics Control theory Transient response characteristics Control engineering
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Wikipage revision ID	1122191837 (xsd:integer)
Link from a Wikipage to another Wikipage	Prentice Hall Propagation delay Providence, Rhode Island Quadratic function San Francisco Electrical network Electronics Step response Beaverton, OR Boca Raton, FL Percentage Rise time Cutoff frequency Voltage Second John Wiley & Sons Countable set McGraw-Hill Noise City of Sydney Electrical resistance Electronic device Englewood Cliffs, NJ Approximation London Low-pass filter Signal (electrical engineering) Statistics Computational mathematics Journal of Applied Physics Overshoot (signal) Step function CRC Press Central limit theorem Toronto Gain American Mathematical Society Analog electronics Analog switch Control theory Current (electricity) Damping ratio Error function Collocation method Bandwidth (signal processing) Causal filter Digital electronics Dimmer Transient response characteristics Fall time Probability theory Inverse second Tektronix First moment Steady state theory Asymptotic analysis Control engineering Sydney System Southampton, St. Louis Frequency response Inductance Natural frequency New York City Capacitance RC circuit Ratio Cascade connection Second-order differential equation Volt Impulse response Settling time

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