rise time


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rise time

1. the time required for a pulse or echo to rise from onset to its peak amplitude;
2. the time required for a pulse or echo to rise from 10-90% peak amplitude.

rise time

(rīz tīm)
The time it takes a gradient to switch on, achieve the required gradient slope, and switch off again in magnetic resonance imaging.
References in periodicals archive ?
Faster TDR rise times indicate higher system bandwidth and result in impedance waveforms with higher spatial resolution, improving the sensitivity and accuracy of cable fault measurements.
The output waveform is then used to determine the rise time and fall time.
At 4 kV the equipment will be subjected to about 17A of current having a rise time of about 850 ps.
Those traces exceeding the critical length associated with signal rise time behave as transmission lines.
i] impulses; and the similarity between reflected and incident overpressures and reflected and incident rise time [t.
This over-voltage problem was mitigated [7] by the following methods: Use of VSD with long rise time: The VFD selected for long rise time to the value of 0.
If the signal's rise time is shorter than the propagation time of the signal and back again, this can cause the signal to reflect.
The aging of the slot insulation material NEN was performed using both 50 Hz ac voltage and high frequency square waveform voltage with parameters: rise time 65 ns, 6 kHz, pulse width 10 [micro]s.
The sheet resistance of the ion-implanted junction is large and the large rise time ([approximately equal to] 50 ns) makes fast timing difficult.
Since there are signs of housing and mortgage lending slowing down, theMPC may well decide to give the latest interest rate rise time to work its way through the economy,''he said.
The iVent201[TM] does have adjustable rise time, adaptive (demand) flow, parameters preset according to the patient's body weight, 100% oxygen suction, apnea ventilation, graphics, sigh breaths and both pressure and/or flow triggering capabilities.