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...type of [[electronic test equipment]] used to measure complex [[electrical impedance]] as a function of test frequency. ...circuit|electronic circuits]], and the materials used to make components. Impedance analysis can also be used to characterize materials exhibiting dielectric b ...

...ise measurements are required every day in industrial practice. Electrical measurements are a branch of the science of [[metrology]]. * [[Electrical impedance]] defined as [[vector sum]] of [[electrical resistance]] and [[electrical r ...

...ntrols are nulled, their respective dials accurately indicate the parallel impedance components of the network under test. ...960s.<ref>{{cite web|last=Mislanghe|first=Marc|title=Direct Measurement of Impedance|url=http://www.hpmemory.org/wa_pages/wall_a_page_14.htm|work=Quick Tour - F ...

{{Short description|Combined measure of impedance and admittance.}} | caption = Combined measure of impedance, admittance, or both. Immittance is crucial to several practices, such as [ ...

...external capacitance measurements. It is a close relative of [[electrical impedance tomography]]<ref>M Soleimani, W R B Lionheart, Nonlinear image reconstructi ...ctrodes. An N-electrode system can only provide N(N&minus;1)/2 independent measurements. This means that the technique is limited to producing very low resolution ...

...he measurement of VSWR and the null positions the value of the terminating impedance's magnitude and phase can be calculated. Nulls are used in electrical science to make many measurements. A frequently encountered technique is to adjust the voltage in one branch ...

{{Sound measurements}} ...electrical analogies#Impedance analogies|close analogy]] with [[electrical impedance]], which measures the opposition that a system presents to the [[electric c ...

{{Sound measurements}} ...haracteristic specific acoustic impedance|characteristic specific acoustic impedance]]. Thus, ...

...ultiplicative inverse|reciprocal]] of admittance is [[Electrical impedance|impedance]] ({{math|1=''Z'' = ''R'' + ''jX''}}), where the imaginary part is [[Electr ...[Multiplicative inverse|reciprocal]] of the impedance ({{mvar|Z}}), if the impedance is not zero: ...

...and Cady.<ref>{{cite book|last1=Cady|first1=P.|title=Progress in impedance measurements in microbiology|date=1978|publisher=Chapter 14 in “Mechanizing microbiology ...zi|first2=M.E.|last3=Vercellone|first3=M.I.|last4=Madrid|first4=R.E.|title=Impedance bacteriometry: medium and interface contributions during bacterial growth|j ...

...ing Group | s2cid = 21000697 }}</ref> actually determines the [[electrical impedance]], or opposition to the flow of an electric current through body tissues wh ...±7 kg LoA) on average, despite showing a linear correlation with MRI-based measurements of 0.75 and 0.81 for females and males, respectively.<ref name = jim/><ref> ...

...here an external magnetic field causes a large variation in the electrical impedance of the material. It should not be confused with the separate physical pheno ...last=Machado|display-authors=etal|year=1999|title=Surface Magnetoimpedance Measurements in Soft-Ferromagnetic Materials|journal=Physica Status Solidi A|volume=173| ...

...es'', such as [[transistors]], intended to present a high [[small-signal]] impedance yet not requiring a large DC voltage drop, as would occur if a large resist In contrast, using the active load of Figure 2, the AC impedance of the ideal current source is infinite regardless of the voltage drop ''V< ...

{{Short description|Device used for microwave measurements}} '''Slotted lines''' are used for [[microwave]] measurements and consist of a movable probe inserted into a slot in a [[transmission lin ...

{{Sound measurements}} ...nt of the incident wave in a standing wave acoustic field requires uses of impedance tube technology, may be quite laborious, unless one makes use of the two-mi ...

{{Sound measurements}} ...arphi_{v,0} = \varphi_{p,0}</math>, the amplitude of the specific acoustic impedance is given by ...

{{Sound measurements}} ...arphi_{v,0} = \varphi_{p,0}</math>, the amplitude of the specific acoustic impedance is given by ...

The accuracy of measurements made using this bridge are dependent on a number of factors. The accuracy o * {{citation |title=Electrical Instruments and Measurements |first=Larry D. |last=Jones |first2=A. Foster |last2=Chin |publisher=Prenti ...

{{Sound measurements}} ...s the metric is concerned with the loudness as perceived by the human ear. Measurements<ref>{{cite web | url = http://blog.nti-audio.com/measurement/eu-sound-power ...

| Name = Impedance cardiography ...us/teb.html |url-status=dead }}</ref><ref name="BEM">{{cite web |title=25. Impedance Plethysmography |url=https://www.bem.fi/book/25/25.htm |website=www.bem.fi} ...