Proceedings of the International School of Physics "Enrico Fermi.", Volume 76N. Zanichelli, 1981 - Nuclear physics |
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Page 355
... wave forms , the neural spikes occur in synchrony with the stimulus wave form . At higher frequencies , above approximately 5000 Hz , such time - locking can no longer be achieved . In addition , the primary fibres have some degree of ...
... wave forms , the neural spikes occur in synchrony with the stimulus wave form . At higher frequencies , above approximately 5000 Hz , such time - locking can no longer be achieved . In addition , the primary fibres have some degree of ...
Page 398
... wave- length is in the range ( 1.50.1 ) mm in soft tissues , and narrow beams of ultra- sound can be generated without excessive attenuation . These beams can be used to provide pulse ... Wave propagation Relationship of wave parameters.
... wave- length is in the range ( 1.50.1 ) mm in soft tissues , and narrow beams of ultra- sound can be generated without excessive attenuation . These beams can be used to provide pulse ... Wave propagation Relationship of wave parameters.
Page 401
... wave is deviated by refraction unless the speeds in the two media are equal . The relationship is ( 2.4 ) sin 0 , / sin 0 , C1 / C2 · www incident wave кофо reflected wave boundary normal to boundary medium 1 medium 2 transmitted wave ...
... wave is deviated by refraction unless the speeds in the two media are equal . The relationship is ( 2.4 ) sin 0 , / sin 0 , C1 / C2 · www incident wave кофо reflected wave boundary normal to boundary medium 1 medium 2 transmitted wave ...
Contents
A R D THORNTON | 1 |
Physicists and clinicians | 5 |
The Fourier transform properties of an image | 12 |
Copyright | |
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alveolar amplitude analysis aorta aortic approximately arterial pressure arterial system attenuation value basilar membrane beam blood flow blood pressure C₁ capillary cardiac output circulation clinical cm³ CO₂ cochlea cochlear compartment compliance components computed tomography concentration constant counting rate cross-section cuff decrease detector diameter diastolic distribution effect elastin electrode energy equation filter fluid Fourier transform frame frequency function haemoglobin hair cells halothane heart rate impulse response increase left heart linear linear-attenuation coefficient lung manometer measured medical physics membrane method mmHg muscle normal obtained oxygen P₁ P₂ pacemaker patient peripheral resistance photons physicist physiological pulmonary pulsatile pulse ratio region Rendiconti S.I.F. sample scan scanner segment shown in fig shows signal stroke volume systolic techniques tissues transducer transmural pressure tube ultrasonic V₁ velocity venous system ventilation ventricle ventricular vessel viscoelastic volume wall wave form Windkessel X-ray zero