Proceedings of the International School of Physics "Enrico Fermi.", Volume 76N. Zanichelli, 1981 - Nuclear physics |
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Page 413
... range of the echoes received in conventional medical diagnostic pulse - echo systems is about 100 dB . This dynamic range is shared between the variations in echo amplitude at particular ranges and the attenuation of echoes which ...
... range of the echoes received in conventional medical diagnostic pulse - echo systems is about 100 dB . This dynamic range is shared between the variations in echo amplitude at particular ranges and the attenuation of echoes which ...
Page 429
... range is equal to a constant . = 22.3 . Directionally sensitive Doppler systems . Simple Doppler systems merely ... range resolution of a continuous - wave Doppler is , in effect , such that any detectable target gives a signal ; the ...
... range is equal to a constant . = 22.3 . Directionally sensitive Doppler systems . Simple Doppler systems merely ... range resolution of a continuous - wave Doppler is , in effect , such that any detectable target gives a signal ; the ...
Page 445
... range of accelerating voltages , ( 30 ÷ 150 ) kV , a wide range of filtrations external to the target ( in the oil and the tube window plus external filters ) , ( 0.5-4.0 ) mm Al equivalent , and a wide range of anode angles , ( 10 ÷ 30 ) ...
... range of accelerating voltages , ( 30 ÷ 150 ) kV , a wide range of filtrations external to the target ( in the oil and the tube window plus external filters ) , ( 0.5-4.0 ) mm Al equivalent , and a wide range of anode angles , ( 10 ÷ 30 ) ...
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