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square wave

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
square wave
Cardiology An abnormal BP response to the Valsalva maneuver–VM, seen in left ventricular failure; BP ↑ at the onset of the VM, remains elevated until VM is released, after which the BP abruptly drops to baseline without 'overshooting' the baseline pressure, accompanied by little change in the pulse pressure or tachycardia


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A variance to the square wave is the pulse-wave, although its merely half as wide.
However, there are some electronic devices that will not work on square wave electricity.
A digital PID (proportional integral derivative) filter allows for precise control of ramp and hold, sawtooth, sine and square wave profiles.
 
 
 
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