Proceedings of the International School of Physics "Enrico Fermi.", Volume 76N. Zanichelli, 1981 - Nuclear physics |
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Page 16
... samples is that the function f ( x ) has been assumed to have an upper limit to its frequency content and thus a limited rate of change between samples , all possible fluctuations can thus be detected provided the sample interval is ...
... samples is that the function f ( x ) has been assumed to have an upper limit to its frequency content and thus a limited rate of change between samples , all possible fluctuations can thus be detected provided the sample interval is ...
Page 327
... sample cell contains CO2 , then the sample beam will lose energy as it traverses the sample chamber and it will , therefore , be weaker than the ref- erence beams as they fall on the detector . The analyser is initially set up with the ...
... sample cell contains CO2 , then the sample beam will lose energy as it traverses the sample chamber and it will , therefore , be weaker than the ref- erence beams as they fall on the detector . The analyser is initially set up with the ...
Page 375
... samples per period , then the samples will uniquely define the sine wave which can be exactly reconstructed from the sample values . Furthermore , any signal , such as an EEG , may be considered as comprising a set of sine waves of ...
... samples per period , then the samples will uniquely define the sine wave which can be exactly reconstructed from the sample values . Furthermore , any signal , such as an EEG , may be considered as comprising a set of sine waves of ...
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